CN106560937A - Electric power storage device - Google Patents
Electric power storage device Download PDFInfo
- Publication number
- CN106560937A CN106560937A CN201610866421.1A CN201610866421A CN106560937A CN 106560937 A CN106560937 A CN 106560937A CN 201610866421 A CN201610866421 A CN 201610866421A CN 106560937 A CN106560937 A CN 106560937A
- Authority
- CN
- China
- Prior art keywords
- electrode body
- conducting
- exterior
- heat
- storage device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003860 storage Methods 0.000 title claims abstract description 73
- 229920005989 resin Polymers 0.000 claims abstract description 85
- 239000011347 resin Substances 0.000 claims abstract description 85
- 229910052751 metal Inorganic materials 0.000 claims description 66
- 239000002184 metal Substances 0.000 claims description 66
- 230000004888 barrier function Effects 0.000 claims description 49
- 229920006015 heat resistant resin Polymers 0.000 claims description 40
- 238000007789 sealing Methods 0.000 claims description 24
- 239000007774 positive electrode material Substances 0.000 claims description 23
- 239000007773 negative electrode material Substances 0.000 claims description 19
- 239000003792 electrolyte Substances 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 abstract 6
- 230000008018 melting Effects 0.000 abstract 2
- 238000002844 melting Methods 0.000 abstract 2
- 238000009740 moulding (composite fabrication) Methods 0.000 description 56
- 239000010410 layer Substances 0.000 description 55
- 239000000203 mixture Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 14
- 239000013543 active substance Substances 0.000 description 12
- 239000007767 bonding agent Substances 0.000 description 11
- -1 polybutylene terephthalate Polymers 0.000 description 10
- 238000010030 laminating Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 8
- 229910052744 lithium Inorganic materials 0.000 description 8
- 230000037452 priming Effects 0.000 description 8
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 238000004049 embossing Methods 0.000 description 6
- 239000011888 foil Substances 0.000 description 6
- 229920003048 styrene butadiene rubber Polymers 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 239000002174 Styrene-butadiene Substances 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 210000000981 epithelium Anatomy 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 239000004743 Polypropylene Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 239000012752 auxiliary agent Substances 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 3
- 235000019241 carbon black Nutrition 0.000 description 3
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 3
- 229920001577 copolymer Polymers 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 230000000873 masking effect Effects 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 229920006284 nylon film Polymers 0.000 description 3
- 229920001707 polybutylene terephthalate Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 229920002126 Acrylic acid copolymer Polymers 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 229920001661 Chitosan Polymers 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 2
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- BFGKITSFLPAWGI-UHFFFAOYSA-N chromium(3+) Chemical class [Cr+3] BFGKITSFLPAWGI-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 125000002573 ethenylidene group Chemical group [*]=C=C([H])[H] 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 239000003273 ketjen black Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 210000004508 polar body Anatomy 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920006267 polyester film Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920001282 polysaccharide Polymers 0.000 description 2
- 239000005017 polysaccharide Substances 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000011115 styrene butadiene Substances 0.000 description 2
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 1
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 description 1
- 229920002799 BoPET Polymers 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QRMHDYCPNIVCBO-UHFFFAOYSA-N [SH2]=N.[F] Chemical compound [SH2]=N.[F] QRMHDYCPNIVCBO-UHFFFAOYSA-N 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 150000002466 imines Chemical class 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229950000845 politef Drugs 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- LZOZLBFZGFLFBV-UHFFFAOYSA-N sulfene Chemical compound C=S(=O)=O LZOZLBFZGFLFBV-UHFFFAOYSA-N 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0472—Vertically superposed cells with vertically disposed plates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/04—Hybrid capacitors
- H01G11/06—Hybrid capacitors with one of the electrodes allowing ions to be reversibly doped thereinto, e.g. lithium ion capacitors [LIC]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/258—Modular batteries; Casings provided with means for assembling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/13—Energy storage using capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
At least one of an electric power storage device, a first externally packaging member 10 and a second externally packaging member 20 comprises a knurling part of more than two orders in an area containing a first inner side conduction part 43a, 43band a second inner side conduction part 53, a first hot melting resin layer of the first externally packaging member is opposite to a second hot melting resin layer of the second externally packaging member, and an externally packaging body 30 with an electrode body chamber 31 is formed. The first and second inner side conduction parts face the interior of the electrode body chamber, for an electrode body 100 packaged in the electrode body chamber together with an, an anode element 114, 144 is conducted with a first inner side exposed part, a cathode element 124 is conducted with a second inner side conduction part, and a first outer side conduction part 44 and a second outer side conduction part 54 are arranged on the outer surface of the externally packaging body.
Description
Technical field
The present invention relates to be used as lithium ion battery, double layer capacitor, all-solid-state battery etc., by laminate outer package
Electrical storage device.
Background technology
Used with regard to hybrid vehicle, the battery of electric automobile, home-use or industrial fixation accumulator
Lithium rechargeable battery.Lighium polymer secondary battery, with miniaturization, lightweight, it is metal outer that replacement was used in the past
Dress body, and gradually increased using the situation of the lamination exterior component in the two sides of metal forming laminating resin film.Additionally, also inquiring into
Double layer capacitor using lamination exterior component, lithium-ion capacitance etc. are also equipped on into the scheme of automobile, public transport (with reference to patent
Document 1,2).
Existing electrical storage device engages lug lead in electrode body, by lug lead as shown in the patent documentation 1,2
Front end be drawn out to outside state heat-sealing engagement is carried out to exterior component, thus volume density of electrode is encapsulated in exterior body.
Prior art literature
Patent documentation
【Patent documentation 1】Japanese Unexamined Patent Publication 10-302756 publication
【Patent documentation 2】Japanese Unexamined Patent Publication 2001-57184 publications
The content of the invention
The problem solved needed for invention
The shape that existing electrical storage device is lug lead to be projected from the exterior body of cuboid, the receiving space in device
Need by the connection space for being connected with lug lead.But, the device of electrical storage device is carried for of all kinds, and it is existing
The degree of freedom of the shape of electrical storage device is low, therefore wasting space occurs in the collecting space in the device sometimes, hinders device
Slimming and miniaturization.
Additionally, the extraction position of the lug lead of exterior body cannot avoid the reduction of the bond strength in heat-sealing portion, with other
Part is compared, and easily causes leakage.Therefore, for the ultrasound wave that cord (cord), other devices are connected with lug lead is connect
The job requirements such as conjunction, solder high accuracy.
Means for solving the problems
The present invention be in view of above-mentioned background technology and make, its object is to provide one kind expeditiously can house
Space in the device and the electrical storage device of connection operation can be mitigated.
That is, the present invention includes the composition that following [1]～[6] are recorded.
[1] a kind of electrical storage device, including：
First exterior component, first exterior component are fitted with the first heat-resistant resin layer in the one side of the first metal forming,
The first heat sealability resin bed is fitted with another side, with first on the face of the first heat sealability resin bed side
First inner side conducting portion of metal forming conducting；
Second exterior component, second exterior component are fitted with the second heat-resistant resin layer in the one side of the second metal forming,
The second heat sealability resin bed is fitted with another side, with second on the face of the second heat sealability resin bed side
Second inner side conducting portion of metal forming conducting；With
More than one electrode body, the electrode body are lived with the positive element containing positive active material, containing negative pole
The minus polarity element of property material, the barrier film being configured between them,
At least one of first exterior component and the second exterior component, on the inside of comprising the first inner side conducting portion or second
The region of conducting portion has embossed portions more than 2 ranks, the first heat sealability resin bed of first exterior component and the second exterior
Second heat sealability resin bed of part is relative, by by the first heat sealability resin bed and the second heat sealability resin bed welding
Into heat-sealing portion surround, be consequently formed the exterior body with electrode body room, the first inner side conducting portion and the second inner side conducting portion face
To the interior of the electrode body room,
For the electrode body being enclosed together with electrolyte in the electrode body room, lead on the inside of positive element and first
Logical portion's conducting and minus polarity element and the second inner side conducting portion conducting,
In the outer surface of the exterior body, be provided with the first outside conducting portion of first metal forming conducting and with it is described
Second outside conducting portion of the second metal forming conducting.
[2] electrical storage device that preceding paragraph 1 is recorded, wherein, first outside conducting portion and the second outside conducting portion are arranged on
Than heat-sealing portion position in the inner part.
[3] electrical storage device that preceding paragraph 1 or 2 is recorded, wherein,
Including multiple electrodes body.
[4] electrical storage device that preceding paragraph 3 is recorded, wherein,
The plurality of electrode body is laminated along the thickness direction of the exterior body.
[5] electrical storage device that preceding paragraph 3 is recorded, wherein,
The plurality of electrode body is configured side by side along the face direction of the exterior body.
[6] electrical storage device that preceding paragraph 3 is recorded, wherein,
The plurality of electrode body is configured with the shape of embossed portion more than 2 rank with being consistent.
The effect of invention
For the electrical storage device that above-mentioned [1] is recorded, the various shapes as exterior body has an embossed portions more than 2 ranks,
Therefore the collecting space of the device for carrying electrical storage device is easily matched with, the nothing in collecting space can be reduced as much as possible
Use region.Further, since lug lead, therefore compact conformation need not be drawn from exterior body.Thereby, it is possible to reduce in device
The collecting space of electrical storage device, and then the slimming of device, miniaturization can be sought.Further, since making the appearance of exterior body
Face shape is consistent with space with collecting, therefore electrical storage device is received with the wall constraint in space and will not produce rolling in space
It is dynamic, it is difficult to produce the such conducting event of connection member disengaging for being connected to the first outside conducting portion and the second outside conducting portion connection
Barrier.
For the electrical storage device that above-mentioned [2] are recorded, as the first outside conducting portion and the second outside conducting portion are located at specific heat
Envelope portion position in the inner part, therefore the connection with outside will not be hindered just to bend heat-sealing portion.And, it is curved by portion will be sealed
Folding can reduce the profile of electrical storage device, and can improve exterior body intensity by the thickness increase of circumference.
For the electrical storage device that above-mentioned [3]～[6] are recorded, by by the shape of multiple electrodes body and the embossed portion of exterior body
Configure with being consistent, thus, it is possible to increasing in electrode body room as much as possible in all electrode bodies occupy volume, can seek to store
The high capacity of electric installation.
Description of the drawings
Figure 1A is the axonometric chart of an embodiment of the electrical storage device of the present invention.
Figure 1B is the 1B-1B line profiles in Figure 1A.
Fig. 2 is first exterior component and the section view of the second exterior component of the exterior body of the electrical storage device for constituting Figure 1A and Figure 1B
Figure.
Fig. 3 is the axonometric chart of electrode body.
Fig. 4 A are the axonometric charts of the positive pole for constituting electrode body.
Fig. 4 B are the axonometric charts of the negative pole for constituting electrode body.
Fig. 4 C are the axonometric charts of the barrier film for constituting electrode body.
Fig. 5 is the exploded perspective view of lower rank electrode body.
Fig. 6 is the exploded perspective view of upper rank electrode body.
Fig. 7 is the sectional view of the variation of the electrical storage device for representing Figure 1A and Figure 1B.
Fig. 8 is the sectional view of other variations of the electrical storage device for representing Figure 1A and Figure 1B.
Fig. 9 is the sectional view of the another variation of the electrical storage device for representing Figure 1A and Figure 1B.
Figure 10 is the sectional view of the another variation of the electrical storage device for representing Figure 1A and Figure 1B.
Figure 11 is the sectional view of the other embodiment of the electrical storage device of the present invention.
Description of reference numerals
1,2 ... electrical storage device
10 ... first exterior components
11 ... first metal formings
13 ... first heat-resistant resin layers
15 ... first heat sealability resin beds
16,17 ... conducting portions
20 ... second exterior components
21 ... second metal formings
23 ... second heat-resistant resin layers
25 ... second heat sealability resin beds
26,27 ... conducting portions
30 ... exterior bodies
31 ... electrode body rooms
32 ... heat-sealing portions
33 ... exterior bodies
34 ... heat-sealing portions
41 ... embossed portions
The lower rank embossed portions of 41a ...
The upper rank embossed portions of 41b ...
Lower the first inner side of the rank conducting portions of 43a ... (the first inner side conducting portion)
Upper the first inner side of the rank conducting portions (the first inner side conducting portion) of 43b ...
44,84 ... first outside conducting portions
53 ... second inner side conducting portions
54,94 ... second outside conducting portions
82,113,143 ... positive active material portions
83 ... first inner side conducting portions
92,123,153 ... negative electrode active material portions
100 ... electrode bodies
The lower rank electrode bodies of 100a ...
The upper rank electrode bodies of 100b ...
110,140,145 ... positive poles
111,141 ... positive electrode collectors
120,125a, 125b, 150,155 ... negative poles
121,151 ... negative electrode collectors
130,134,160,170 ... barrier films
Specific embodiment
Figure 1A, 1B, illustrate in 11 the present invention electrical storage device 4 types embodiment.
In the following description, the part with same symbol represents same thing or coordinate, omits repeat specification.
[constituting the exterior component of exterior body]
Fig. 2 illustrates the stacking knot of first exterior component 10 and the second exterior component 20 of the exterior body for constituting each electrical storage device 1,2
The formation example of structure and conducting portion.
In first exterior component 10, first is laminated with by the laminating of bond layer 12 in the one side of the first metal forming 11 heat-resisting
Property resin bed 13, on another side by bond layer 14 laminating be laminated with the first heat sealability resin bed 15.Above-mentioned first
On the face of 13 side of heat-resistant resin layer, expose the first metal forming there is no the first heat-resistant resin layer 13 and bond layer 12
11 mode, defines the conducting portion 16 with the conducting of the first metal forming 11.In the face of above-mentioned first heat sealability resin bed, 15 side
On, define.
In exterior body, the conducting portion 17 of above-mentioned first heat sealability resin bed, 15 side, no matter how the form of exterior body at least deposits
At one, become towards the first inner side conducting portion in electrode member room.First inner side conducting portion arrange sometimes 2 with
On, all of which is located at 15 side of the first heat sealability resin bed.Additionally, the first heat sealability resin bed 15 becomes exterior body
Outer surface a part when, sometimes 15 side of the first heat sealability resin bed face arrange the first outside conducting portion.The opposing party
, according to the difference of the form of exterior body, there is the situation of presence in face, the conducting portion 16 of 13 side of the first heat-resistant resin layer and does not exist
Situation, in the case of there is conducting portion 16, which is formed at the outer surface of exterior body and becomes the first outside conducting portion.
Similarly, in the second exterior component 20, it is laminated with by the laminating of bond layer 22 in the one side of the second metal forming 21
Second heat-resistant resin layer 23, is laminated with the second heat sealability resin bed 25 by the laminating of bond layer 24 on another side.
On the face of above-mentioned second heat-resistant resin layer, 23 side, expose there is no the second heat-resistant resin layer 23 and bond layer 22
The mode of two metal formings 21, defines the conducting portion 26 with the conducting of the second metal forming 21.In above-mentioned second heat sealability resin bed
On the face of 25 sides, define
Logical portion 27.In exterior body, the conducting portion 27 of above-mentioned second heat sealability resin bed, 25 side, no matter how equal the form of exterior body is
At least there is one, become towards the second inner side conducting portion in electrode member room.Second inner side conducting portion arranges 2 sometimes
More than individual, all of which is located at 25 side of the second heat sealability resin bed.Additionally, the second heat sealability resin bed 25 becomes outer
During a part for the outer surface of dress body, the second outside conducting portion is set in the face of 25 side of the second heat sealability resin bed sometimes.Separately
On the one hand, the conducting portion 26 of 23 side of the second heat-resistant resin layer, according to the difference of the form of exterior body, has the situation and not of presence
The situation of presence, in the case of there is conducting portion 26, which is formed at the outer surface of exterior body and becomes the second outside conducting portion.
In the present invention, the 16,17,26,27 and first metal forming 11 of conducting portion or the conducting of the second metal forming 21 are essential conditions,
First metal forming 11 or the second metal forming 21 expose not necessarily condition.For example, bonding agent is defined using conductive adhesive
During layer 12,14,22,24, even if the first metal forming 11 or the bond layer 12,14,22,24 in the second metal forming 21 expose also can
Form conducting portion.
Above-mentioned conducting portion 16,17 can be formed with arbitrary shape in the optional position of the first exterior component 10.Second exterior component 20
Conducting portion 26,27 it is same.
Conducting portion can be formed by the following method.It should be noted that the invention is not restricted to include the formation side of conducting portion
The manufacture method of first exterior component 10 and the second exterior component 20 of method, is only an example of conducting portion forming method below.
(1) by known method, heat-resistant resin layer, metal foil layer, heat sealability resin bed are pasted using bonding agent
Close, irradiating laser, calcination removes resin bed and bond layer.
(2) in the part that form conducting portion bonding agent is not coated with during coating adhesive in metal forming, forms uncoated portion,
Laminating heat-resistant resin layer or heat sealability resin bed.Then, cut off the resin bed in uncoated portion.
(3) in advance in the bonding partially masking tape (masking tape) of the conducting portion for forming metal forming, it is coated with bonding
Agent, laminating heat-resistant resin layer or heat sealability resin bed.Then, resin bed and bonding agent are together removed with masking tape.
[electrical storage device]
In the electrical storage device of the present invention, the first heat sealability resin bed 15 and the second exterior component 20 of the first exterior component 10
Second heat sealability resin bed 25 is relative to each other, by by the first heat sealability resin bed 15 and the second heat sealability resin bed 25
The heat-sealing portion of welding surrounds, and so as to form the exterior body with electrode body room, leads on the inside of the first inner side conducting portion and second
Interior of the logical portion towards above-mentioned electrode body room, in electrode body room, the positive element of electrode body and the first inner side conducting portion are turned on,
And minus polarity element and the second inner side conducting portion conducting.In addition, in the outer surface of exterior body, with turning on the first metal forming 11
The first outside conducting portion and with the second metal forming 21 conducting the second outside conducting portion.
In the first electrical storage device described below, by the first metal forming 11 and the second metal forming 21 be used as making electrode body with
First metal forming 11 and the second metal forming 21 are used as current collection in second electrical storage device by the conducting body turned on outside exterior body
Body.
(the first electrical storage device)
Electrical storage device 1 shown in Figure 1A and Figure 1B, including electrode body 100 and houses the electrode body 100 and is sealed against
Exterior body 30.It should be noted that the diagram of the stepped construction of the first exterior component 10 and the second exterior component 20 is eliminated in Figure 1B
And only illustrate conducting portion.
(exterior body)
The exterior body 30 is made up of the first exterior component 10 with embossed portion 41 and the second flat exterior component 20.
The first exterior component 10 in the exterior body 30, is by the flat piece to conducting portion is formed with position described later
Material implement make 13 side of the first heat-resistant resin layer protrusion embossing processing, be consequently formed as electrode body room 31 vertical view be corner
The embossed portion 41 of shape.The embossed portion 41 is to be formed from lower rank embossed portion 41a of open side and be formed at the lower rank embossing
The top surface of portion 41a and 2 stage structures that less than lower rank embossed portion 41a upper rank embossed portion 41b is formed.Additionally, be formed with from
The flange part 42 that the edge of opening on 4 sides of lower rank embossed portion 41a is extended substantially horizontally outward.First exterior component 10
In, in the inner side of the top surface of the top surface and upper rank embossed portion 41b of lower rank embossed portion 41a, i.e. 15 side of the first heat sealability resin bed
Face there is conducting portion 17, which is played respectively as the first inner side of lower rank conducting portion 43a and the first inner side of upper rank conducting portion 43b makees
With.Additionally, one of flange part 42 on 4 sides, is formed with conducting portion 16 and conduct in the face of 13 side of the first heat-resistant resin layer
First outside conducting portion 44 plays a role.
The embossed portion 41 of above-mentioned 2 stage structure can be formed by carrying out the embossing of each rank to process successively.Although can nothing
By lower rank embossed portion 41a and upper rank embossed portion 41b forming sequence how, but be typically initially formed lower rank embossed portion 41a.
The second exterior component 20 in the exterior body 30 is flat sheet, in the mask of 25 side of the second heat sealability resin bed
There is conducting portion 27, the conducting portion 27 plays a role as the second inner side conducting portion 53.Additionally, in the second heat-resistant resin layer 23
The face of side has conducting portion 26, and the conducting portion 26 plays a role as the second outside conducting portion 54.
(electrode body)
As shown in figure 3, the electrode body 100 is to overlap to combine on less above larger lower rank electrode body 100a
The notch cuttype component of rank electrode body 100b.Lower rank electrode body 100a and upper rank electrode body 100b are just respectively
The laminate type battery unit (cell) that barrier film is laminated is clipped between pole and negative pole, the positive pole is being formed by metal forming
Positive electrode collector applies positive active material portion and forms, and the negative pole is to apply negative pole in the negative electrode collector formed by metal forming
Active substance portion forms.The positive pole and negative pole are corresponding to positive element of the invention and minus polarity element.Additionally, the lower rank electricity
Polar body 100a and upper rank electrode body 100b are fabricated to lower rank embossed portion 41a with first exterior component 10 and upper rank embossed portion
The similar shape of the inner shape of 41b.Hereinafter, with reference to Fig. 3～6, while describing the structure of electrode body 100 in detail.
Fig. 4 A～4C illustrates a part for the component parts of lower rank electrode body 100a, and Fig. 5 illustrates lower rank electrode body 100a
Exploded perspective view.It should be noted that Fig. 4 A～4C is intended to indicate that the incised notch portion of component parts and the uncoated of active substance
The figure of the position in portion, as the component parts of size different lower rank electrode bodies 100a and upper rank electrode body 100b being shown in the lump
Go out, therefore the uncoated portion of the incised notch portion in Fig. 5 and Fig. 6 and active substance is relative to the size ratio of the overall dimensions of component parts
Rate disunity.Additionally, the diagram in positive active material portion and negative electrode active material portion in Fig. 5 and Fig. 6, is eliminated, with positive pole current collections
The shape of body and negative electrode collector is illustrating positive pole and negative pole.
As shown in Figure 4 A, positive pole 110 is the positive electrode collector for having dimetric incised notch portion 112 in a dimetric corner
111 two sides, applies positive active material in the region in addition to the adjacent corner in the incised notch portion 112 and forms positive pole
Active substance portion 113.In the corner for applying residual, positive electrode collector 111 exposes, and becomes the multiple positive poles for being laminated
110 connecting portions 114 being connected with each other.
As shown in Figure 4 B, negative pole 120 is the negative electrode collector for having dimetric incised notch portion 122 in a dimetric corner
121 two sides, applies negative electrode active material in the region in addition to the adjacent corner in the incised notch portion 122 and forms negative pole
Active substance portion 123.In the corner for applying residual, negative electrode collector 121 exposes, and becomes the multiple negative poles for being laminated
120 connecting portions 124 being connected with each other.
Additionally, as shown in figure 5, the negative pole 125a of the top is configured in addition to barrier film 134, it is only negative with described in direction
The face (being the face of downside in Figure 5) of the inner side of lower rank electrode body 100a of the negative electrode collector of 121 same shape of electrode current collector
Negative electrode active material portion is formed, and incised notch portion 122 and connecting portion 124 is being formed with 120 identical corner of the negative pole.The opposing party
Face, is configured at the negative pole 125b of bottom, only under negative electrode collector of the direction with 121 same shape of the negative electrode collector
The face (being the face of upside in Figure 5) of the inner side of rank electrode body 100a forms negative electrode active material portion, and with the negative pole 120
Identical corner forms incised notch portion 122 and connecting portion 124.
The incised notch portion 112 of the positive pole 110 and the incised notch portion 122 of negative pole 120,125a, 125b are formed in reciprocal
Corner, the incised notch portion 112 of positive pole 110 and the connecting portion 124 of negative pole 120,125a, 125b are overlapped, negative pole 120,125a, 125b
The connecting portion 114 of incised notch portion 122 and positive pole 110 is overlapped.
Barrier film is different according to allocation position and shape is different.As shown in Figure 4 C, the barrier film 130 of centre is configured in, in corner
Two corners of shape have incised notch portion 131,132.The incised notch portion 131,132 is respectively formed at the incised notch portion 112 with positive pole 110
And the 122 corresponding corner of incised notch portion of negative pole 120.The barrier film 134 of the top is configured at, in the incised notch portion 122 with negative pole 120
Corner forms incised notch portion 132, and then offers quadrangle in the part Chong Die with positive pole incised notch portion 142 of upper rank electrode body 100b
Window 135.
Above-mentioned each part is assembled by order from bottom to up, i.e. coincidence negative pole 125b, barrier film 130, positive pole 110, barrier film
130th, negative pole 120, barrier film 130 ..., negative pole 120, barrier film 130, positive pole 110, barrier film 130, negative pole 125a, barrier film 134 and assemble.
In the assembly, incised notch portion 122 and the barrier film 130 of a corner existing for the connecting portion 114 of positive pole 110 and negative pole 120
132 correspondence of incised notch portion, therefore the connecting portion 114 of multiple positive poles 110 directly overlaps.Additionally, the company of negative pole 120,125a, 125b
A corner existing for socket part 124 is corresponding with the incised notch portion 131 in the incised notch portion 112 of positive pole 110 and barrier film 130, therefore multiple negative
The connecting portion 124 of pole 120,125a, 125b directly overlaps.The connecting portion 114 of the positive pole 110 of coincidence and the negative pole 120 for overlapping,
The junction surface 124 of 125a, 125b is respectively by ultrasonic bonding etc. and engage.It should be noted that joint method is not limited.And
And, by overlapping barrier film 134 on the negative pole 125a of the top, so as to complete lower rank electrode body 100a.
In lower rank electrode body 100a, negative pole 125a is observed and the negative pole from the window 135 of barrier film 134 in upper surface
The negative electrode collector of 125a exposes, from incised notch portion 132 observe positive pole 110 connecting portion 114 and positive electrode collector 111 exposes.
In lower surface, the negative electrode collector of negative pole 125b exposes.
Fig. 4 A～4C illustrates a part for the component parts of rank electrode body 100b, and Fig. 6 illustrates rank electrode body 100b
Exploded perspective view.
The positive pole 110, negative pole of the positive pole 140 of upper rank electrode body 100b, negative pole 150, barrier film 160 and lower rank electrode body 100a
120th, the only size of barrier film 130 is different.That is, in the positive pole 140, in the positive electrode collector 141 in a corner with incised notch portion 142
Two sides there is positive active material portion 143, in the adjacent corner in the incised notch portion 142, positive electrode collector 141 exposes and becomes
Connecting portion 144.In the negative pole 150, there is negative pole in the two sides of the negative electrode collector 151 in a corner with incised notch portion 152
Active substance portion 153, in the adjacent corner in the incised notch portion 152, negative electrode collector 151 exposes and becomes connecting portion 154.Configuration
Have in the 152 corresponding corner of incised notch portion of the incised notch portion 142 with positive pole 140 and negative pole 150 respectively in middle barrier film 160 and cut
Scarce portion 161,162.
Additionally, as shown in fig. 6, be configured in the positive pole 145 of the top in addition to a diaphragm, only in direction and the positive pole collection
The face (being the face of downside in figure 6) of the inner side of upper rank electrode body 100b of the positive electrode collector of 141 same shape of electric body is formed
Positive active material portion, and incised notch portion 142 and connecting portion 144 are being formed with 140 identical corner of the positive pole.On the other hand,
The negative pole 155 of bottom is configured at, it is only electric with the upper rank of the negative electrode collector of 151 same shape of the negative electrode collector in direction
The face (being the face of upside in figure 6) of the inner side of polar body 100b forms negative electrode active material portion, and identical with the negative pole 150
Corner form incised notch portion 152 and connecting portion 154.
Above-mentioned each part is assembled by order from bottom to up, i.e., coincidence negative pole 155, barrier film 160, positive pole 140, barrier film 160,
Negative pole 150, barrier film 160 ..., barrier film 160, positive pole 140, barrier film 160, negative pole 150, barrier film 160, positive pole 145 and assemble.Institute
State in assembly, incised notch portion 152 and the barrier film in a corner and negative pole 150,155 existing for the connecting portion 144 of positive pole 140,145
160 162 correspondence of incised notch portion, therefore the connecting portion 144 of multiple positive poles 140,145 directly overlaps.Additionally, negative pole 150,155
A corner existing for connecting portion 154 is corresponding with the incised notch portion 142 of positive pole 140,145 and the incised notch portion 161 of barrier film 160, therefore
The connecting portion 154 of multiple negative poles 150,155 directly overlaps.The connecting portion 144 of the positive pole 140,145 of coincidence and the negative pole for overlapping
150th, 155 connecting portion 154 is engaged in the same manner as lower rank electrode body 100b, so as to complete upper rank electrode body 100b.
In upper rank electrode body 100b, the positive electrode collector of the positive pole 145 of upper surface exposes, the negative pole 155 of lower surface
Negative electrode collector expose.
The electrode body 100 is so that the window 135 of the barrier film 134 of the upper surface of lower rank electrode body 100a and upper rank electrode body
The mode that the connecting portion 154 of the negative pole 155 of 100b is overlapped in lower rank electrode body 100a loads rank electrode body 100b and assembles.
As the negative electrode collector of negative pole 125a exposes from the window 135, therefore pass through conductive adhesive, scolding tin etc. by negative pole
The connecting portion 154 of the negative electrode collector and negative pole 155 of 125a is engaged and turns on the two.Thus, produce by lower rank electrode body
The electrode body 100 that 100a and upper rank electrode body 100b are formed.It should be noted that the position of above-mentioned window 135 is only one,
As long as the position contacted with the negative electrode collector of positive pole 125a, can be optional position.
In the electrode body 100, expose in the negative electrode collector of lower surface negative pole 125b, in the upper of lower rank electrode body 100a
The connecting portion 114 of surface positive pole 110 exposes, and exposes in the positive electrode collector of the upper surface positive pole 145 of upper rank electrode body 100b.
It should be noted that the stacking form of the positive pole, negative pole and barrier film in above-mentioned electrode body is only one, as long as not
The list of collector can be made only in the active substance portion of the position configuration active substance of connecting portion, positive pole and negative pole
The active substance in face, preferably positive pole and negative pole is opposed to configuration across barrier film.
(assembling of electrical storage device)
Peristome is made to place upward the first spinning upside down for exterior component 10 of the exterior body 30, in embossed portion 41
Filling electrode body 100, coordinates in the first inner side of upper rank conducting portion 43b of upper rank embossed portion 41b and is exposed to rank electrode body 100b
Upper surface (becoming lower surface by upset) positive pole 145 connecting portion 144, and in the lower rank of lower rank embossed portion 41a
First inner side conducting portion 43a coordinates the positive pole of the upper surface (becoming lower surface by upset) for being exposed to lower rank electrode body 100a
110 connecting portion 114.Then, using conductive adhesive, scolding tin etc. in the way of it can turn on by the connection of the positive pole 145
Portion 144 is engaged in the first inner side of rank conducting portion 43b, equally, by the connecting portion 114 of the positive pole 110 in the way of it can turn on
It is engaged in the first inner side of lower rank conducting portion 43a.It should be noted that the position of the first inner side of upper rank conducting portion 43b is only one,
As long as the position contacted with the positive electrode collector of positive pole 145, can be optional position.Then, lower rank electrode body will be exposed to
The connecting portion 124 of the negative pole 125b of the lower surface (becoming upper surface by upset) of 100a is matched with the of the second exterior component 20
The connecting portion 124 of negative pole 125b is connected to the second inner side conducting portion 53 in the way of it can turn on by two inner side conducting portions 53.Need
Illustrate, the position of the second inner side conducting portion 53 is only one, as long as the position contacted with the negative electrode collector of negative pole 125b
Put, can be optional position.
Then, the second exterior component 20 is covered in the week of the first exterior component 10 and second exterior component 10 that overlaps in flange part 42
Edge, is assembled into the exterior body 30 with electrode body room 31, and houses electrode body 100 in electrode body room 31.
In the state of the electrode body room 31 of the assembly is filled with electrolyte to electrode body room 31 around carry out plus
First heat sealability resin bed 15 and the second heat sealability resin bed 25 are sealed engagement and form heat-sealing portion 32 by heat.Thus, make
Make the electrical storage device 1 shown in Figure 1A and Figure 1B.
In the electrical storage device 1, the connecting portion 114,144 of the positive pole 110,145 of electrode body 100 is engaged in the first exterior component
10 the first inner side of lower rank conducting portion 43a and the first inner side of upper rank conducting portion 43b and turn on the first metal forming 11, negative pole 125b
Junction surface 124 be engaged in the second inner side conducting portion 53 and turn on the second metal forming 21, located at 30 outer surface of exterior body
First outside conducting portion 44 and the second outside conducting portion 54, carry out electrically giving and accepting with outside.
In the electrical storage device of the present invention, at least one in the first exterior component and the second exterior component arranges more than 2 ranks
Embossed portion is so as to obtaining the exterior body of varied shapes.The exponent number of embossed portion, the size of each rank, concave and convex direction arbitrarily can set, can
Useless region is not produced in the collecting space of the device for carrying electrical storage device to be suitably set so that.The planar shaped of embossed portion
Shape is also not necessarily limited to quadrangle, can be formed as the arbitrary shapes such as polygon beyond quadrangle, circle.Additionally, multistage embossing
Portion is also not necessarily limited to as similar shape.By making the various shapes of exterior body so as to be easy to coordinate collecting space, expeditiously
Reduce useless region as much as possible using collecting space, thus, it is possible to reduce collecting space, and then device can be sought
Slimming, miniaturization.If additionally, the embossed portion of the shape for meeting collecting space, the electric power storage loaded are formed in exterior body
Device is received and is rocked without producing in space with the wall constraint in space, therefore, it is difficult to produce to be connected on the outside of first leading
The connection member of logical portion and the second outside conducting portion departs from such conducting failure.Additionally, the embossing by forming more than 2 ranks
Portion, expands the surface area of exterior body, therefore radiating efficiency is improved.
Additionally, the electrical storage device of the present invention does not use lug lead just electrically can be given and accepted, heat-sealing portion is in all-round scope
It is that the first heat sealability resin bed and the second heat sealability resin bed are directly engaged, therefore with higher sealing.And, by
In lug lead need not be drawn from exterior body, therefore also be not in the dimension enlargement caused by lug lead.
In the electrical storage device of the present invention, it is not limited to the face in heat-resistant resin layer side as the electrical storage device 1 and arranges
The technical scheme of outside conducting portion.By exterior body is changed to the shape for making a part for heat sealability resin bed become outer surface
State, can be in conducting portion on the outside of the formation of the face of heat sealability resin bed side.For example, if by the first exterior component and the second exterior component
End is staggered overlap, then heat sealability resin bed comes across the outer surface of exterior body.Additionally, by by the first exterior component or second
The end of exterior component is turned back, and can also make heat sealability resin bed come across the outer surface of exterior body.It is then possible in heat sealability
Resin bed comes across the position of the outer surface of exterior body and arranges the first outside conducting portion or the second outside conducting portion.Wherein, due to
First heat-resistant resin layer and the second heat-resistant resin layer were the face of the outer surface for constituting exterior body originally, therefore on these faces
It is not required to carry out above-mentioned special assembling, processing, the first outside conducting portion or the second outside conducting portion can be just set.Will be above-mentioned
The first exterior component and the second exterior component end stagger overlap exterior body in, exterior body dimension enlargement, by the first exterior
Operation be increased in order to turn back in the exterior body that the end of part or the second exterior component is turned back, but due in the first heat-resistant resin
Layer and the second heat-resistant resin layer arrange outside conducting portion, therefore need not expand exterior body size, adjoint increase operation, with regard to energy
Make electrical storage device.
Additionally, the first outside conducting portion and the second outside conducting portion can be arranged on than heat-sealing portion in the inner part, i.e. electrode body
The face in the outside of room.Heat-sealing portion is formed with the form that the periphery from electrode body room extends outward, but simply can be bent, and is led to
Cross the bending in heat-sealing portion and exterior body can be reduced, and by thickening around electrode body room and exterior body intensity can be improved.
If by the first outside conducting portion and the second outside conducting portion located at the face in the outside of electrode body room, the heat-sealing portion for bending will not shadow
Ringing to electrically giving and accepting, can just play the effect above to will not counteracting with outside connection.
In the present invention, make the electrode body room with embossed portion shape it is consistent with the shape of electrode body be essential condition,
But preferably become the electrode body for copying embossed portion shape in the way of not forming the useless region in electrode body room.By to the greatest extent may be used
Useless region can be reduced and increase the volume that occupies of electrode body as far as possible, the high capacity of electrical storage device can be sought.Electrode body
Except the electrode body that the cascade type that multiple electrodes body is combined as a whole is made as the electrode body 100 meets embossed portion
Shape outside, it is also possible to make for 1 cathode foil and 1 anode foil to meet embossing together with the electrode body that barrier film winds
The shape ground in portion deforms to eliminate useless region.As the positive pole, negative pole and the barrier film that constitute electrode body are respectively provided with flexibility, therefore layer
Poststack deforms also can which.In addition it is also possible to multiple electrodes body is configured side by side, multiple electrodes body can be along the thickness of exterior body
Direction is laminated, or is configured along the face direction of exterior body side by side.Furthermore, it is possible to be substituted in electrode body room insert electrode body and electrolysis
Matter, and multiple single cell units is configured with meeting the shape of embossed portion, house 1 Battery pack being formed by connecting in parallel or series
Unit.The size of each electrode body and Battery pack unit, capacity need not be certain identical, can be formed as the shape with each embossed portion
The size being consistent.Multiple electrodes body suitably connects via metal level, the lug lead of the exterior component in homopolarity.
Fig. 7～10 are the other shapes examples of exterior body and electrode body.Fig. 7,8 illustrate multiple electrodes body along the face side of exterior body
To the example of configuration arranged side by side, Fig. 9,10 illustrate example of the multiple electrodes body along the thickness direction stacking of exterior body.Here, exterior body
Thickness direction refer to the direction vertical with the face in heat-sealing portion, the face direction of exterior body refers to the face side parallel with the face in heat-sealing portion
To.In the exterior body 60 of Fig. 7, the first exterior component 10 has 3 different embossed portions 61a, 61b, 61c of height, with flat the
Two exterior components 20 are combined.It is the example of 62a, 62b, 62c of 3 electrode bodies different for 60 configuration height arranged side by side of the exterior body
Son.In the exterior body 65 of Fig. 8, inverse embossed portion 66b that the first exterior component 10 is projected with the inside side of top surface in embossed portion 66a,
It is the example of the second flat exterior component 20 of combination.Be for the exterior body 65, higher 2 electrode bodies 67a of height it
Between arranged side by side relatively low electrode body 67b of configuration height example.In the exterior body 70 of Fig. 9, the first exterior component 10 is in lower rank embossed portion
The top surface of 71a has upper rank embossed portion 71b, and the second exterior component 20 is with to embossed portion 72 prominent in electrode body room.Be for
The exterior body 70, overlap in lower rank electrode body 73a it is less on rank electrode body 73b example.The exterior body of Figure 10
In 75, both the first exterior component 10 and the second exterior component 20 are formed with rank pressure with the top surface in lower rank embossed portion 76a, 77a
The 2 rank embossed portions of flower portion 76b, 77b.It is, for the exterior body 75, to be overlapped on the two sides of larger electrode body 78a respectively
The example of less electrode body 78b.
The diagram of inside and outside conducting portion is eliminated in the exterior body 60,65,70,75 of Fig. 7～Figure 10, but is filled with the electric power storage
Put 1 equally, the first inner side conducting portion and the second inner side conducting portion with electrode body conducting is formed in inner surface, formed in outer surface
First outside conducting portion and the second outside conducting portion.
(the second electrical storage device)
The electrical storage device 2 of Figure 11 is to make positive pole part 80 using first exterior component 10 and the second exterior component 20 and bear
Pole part 90, together with the part that barrier film 170 and electrolyte assemble.The electrical storage device 2 is with the positive pole part
80 and anode member 90 form exterior body 33, and each metal forming 11,21 is used as into positive electrode collector and negative electrode collector
Slim electrical storage device.
The positive pole part 80 has in the central authorities in the face of 15 side of the first heat sealability resin bed of the first exterior component 10 leads
Logical portion 17, applies priming coat 81 and positive active material portion 82 in the conducting portion 17, and positive active material portion 82 is plastic first
Property 15 side of resin bed is showed out.The conducting portion 17 is the first inner side conducting portion 83 in electrical storage device 2.On the other hand, exist
The face of 13 side of the first heat-resistant resin layer, forms conducting portion 16 at the position for being close to end.The conducting portion 16 is electrical storage device 2
In the first outside conducting portion 84.Additionally, the positive pole part 80 forms prominent from the face to 13 side of the first heat-resistant resin layer
Lower rank embossed portion 85a and upper rank embossed portion 85b constitute 2 stage structures embossed portion 85, match somebody with somebody in the top surface of upper rank embossed portion 85b
Put positive active material portion 82.The positive pole part 80 of the shape is by defining positive-active with the state of flat sheet
Processing is embossed after material portion 82 and is produced.
The anode member 90 has in the central authorities in the face of 25 side of the second heat sealability resin bed of the second exterior component 20 leads
Logical portion 27, applies priming coat 81 and negative electrode active material portion 92 in the conducting portion 27, and negative electrode active material portion 92 is in the second hot melt
Connecing property resin bed 25 side is showed out.The conducting portion 27 is the second inner side conducting portion 93 in electrical storage device 2.On the other hand,
In the face of 23 side of the second heat-resistant resin layer, conducting portion 26 is formed at the position for being close to end.The conducting portion 26 is filled for electric power storage
Put the second outside conducting portion 94 in 2.Additionally, the anode member 90 is formed being dashed forward by the face of 23 side of the second heat sealability resin bed
The embossed portion 95 of 2 stage structures that lower rank embossed portion 95a for going out and upper rank embossed portion 95b are constituted, in the top surface of upper rank embossed portion 95b
Configuration negative electrode active material portion 92.The anode member 90 of the shape is by defining negative pole work with the state of flat sheet
Property material portion 92 after be embossed processing and produce.
The positive pole part 80 of above-mentioned flat sheet for example can be by making first exterior component 10 of Fig. 2, in the conducting portion
17 form priming coats 81 and positive active material portion 82 and make.Additionally, as other manufacture methods, following method can be illustrated：
Priming coat 81 and positive active material portion 82 are applied in the required part of the first metal forming 11, with the positive pole to formation such as splicing tape
The surface in active substance portion 82 is covered and is formed bond layer 14 and heat sealability resin bed 15 of fitting, and then lives in positive pole
Property material portion 82 on the incision otch of heat sealability resin bed 15 and by heat sealability resin bed 15 together with bond layer 14 and viscous
Tape splicing is removed together, exposes positive active material portion 82.The anode member 90 can also with 80 identical of positive pole part
Method makes.It should be noted that in the electrical storage device of the present invention, not limiting the manufacturer of positive pole part 80 and anode member 90
Method, it is also possible to be suitable for the positive pole part 80 and anode member 90 made by additive method.
The electrical storage device 2 is by making as follows, i.e. be embedded in anode member 90 in the embossed portion 85 of positive pole part 80
Embossed portion 95, clips barrier film 170 with positive active material portion 82 and negative electrode active material portion 92 and injects electrolyte, to positive pole portion
Second heat sealability resin bed 15 of the first heat sealability resin bed 15 and anode member 90 of part 80 carries out sealing engagement and shape
Into heat-sealing portion 34, electrical storage device is thus produced.The barrier film 170 is more than positive active material portion 82 and negative electrode active material portion
92, the periphery of barrier film 170 and the first heat sealability resin bed 15 and 25 welding of the second heat sealability resin bed together shape
Into the part in heat-sealing portion 34.The positive active material portion 82 and negative electrode active material portion 92 are filled corresponding to the electric power storage of the present invention
The positive element put and minus polarity element, they and barrier film 170 (in addition to the weld of periphery) and upper and lower priming coat 81
Shared space corresponds to electrode body room.
[constituent material of first and second exterior component and electrical storage device]
Although the present invention does not limit the material of the first exterior component, the second exterior component and electrical storage device, conduct can be enumerated
The following material of preferred material.
(the first metal forming 11 and the second metal forming)
Above-mentioned first metal forming 11 and the conducting portion that the second metal forming 21 is electrical storage device, and undertake to the first exterior component
10 and the second exterior component 20 give prevent oxygen, moisture invade, prevent electrolyte react and produce gas release gas
The effect of barrier.In addition, using the good metal forming of electric conductivity, for example, can enumerate aluminium foil, Copper Foil, nickel foil, stainless steel foil,
Or their cladding (clad) paper tinsel, their annealing paper tinsel or unannealed paper tinsel etc..In addition, it is also preferred that using with nickel, stannum, copper, chromium
Etc. the metal forming that conductive metal carries out electroplating, such as electroplated aluminium foil.In addition, above-mentioned first metal forming 11 and second
The thickness of metal forming 21 is preferably 7～150 μm.
Additionally, it is preferred that forming chemical conversion epithelium in above-mentioned first metal forming 11 and the second metal forming 21.Above-mentioned chemistry
Conversion epithelium is the epithelium by being formed in metal foil surface enforcement chemical conversion treatment, by implementing such chemical conversion
Process, can be substantially prevented from by the corrosion caused by electrolyte etc. to metal foil surface.For example by carrying out following process, to gold
Category paper tinsel implements chemical conversion treatment.That is, be coated with the surface of the metal forming after ungrease treatment is carried out it is following 1)～3) in appoint
A kind of aqueous solution, is then dried, and thus implements chemical conversion treatment,
1) comprising phosphoric acid；
Chromic acid；And
Selected from the mixed of at least one compound in the group of the non-metal salt composition of the slaine and fluoride of fluoride
The aqueous solution of compound
2) comprising phosphoric acid；
Selected from least one in the group of acrylic resin, chitosan derivative resin and phenolic resinoid composition
Resin；And
Selected from the aqueous solution of the mixture of at least one compound in the group of chromic acid and chromium (III) salt composition
3) comprising phosphoric acid；
Selected from least one in the group of acrylic resin, chitosan derivative resin and phenolic resinoid composition
Resin；
Selected from least one compound in the group of chromic acid and chromium (III) salt composition；And
Selected from the mixed of at least one compound in the group of the non-metal salt composition of the slaine and fluoride of fluoride
The aqueous solution of compound.
With regard to above-mentioned chemical conversion epithelium, as chromium adhesion amount (each one side), preferred 0.1mg/m2～50mg/m2, especially
It is preferred that 2mg/m2～20mg/m2。
(heat-resistant resin layer)
As the heat-resistant resin for constituting the first heat-resistant resin layer 13 and the second heat-resistant resin layer 23, using in heat-sealing
When the heat-resistant resin that do not melt of heat-sealing temperature.As above-mentioned heat-resistant resin, fusing point is preferably used more above-mentioned by first than constituting
The thermostability of high more than 10 DEG C of the fusing point of the heat sealability resin of heat sealability resin bed 15 and the second heat sealability resin bed 25
Resin, particularly preferably using the heat-resistant resin of more than 20 DEG C higher than the fusing point of heat sealability resin of fusing point.For example, it is preferable to use
Stretched polyamide film (tensile nylon film etc.) or oriented polyester film.Wherein, particularly preferably using biaxial stretching polyamide film (twin shaft
Tensile nylon film etc.), biaxial stretch-formed polybutylene terephthalate (PBT) (PBT) film, biaxial stretch-formed polyethylene terephthalate
Ester (PET) film or biaxial stretch-formed PEN (PEN) film.It should be noted that above-mentioned first heat-resistant resin
Layer 13 and the second heat-resistant resin layer 23 both can be formed with monolayer, or, for example can also be with poly- by oriented polyester film/stretching
The multilamellar (multilamellar formed by stretching PET film/tensile nylon film etc.) that amide film is formed is formed.Above-mentioned first heat-resistant resin layer
13 and second heat-resistant resin layer 23 thickness be preferably 20 μm～100 μm.
In addition, for the bond layer for constituting above-mentioned first heat-resistant resin layer 13 of laminating and the second heat-resistant resin layer 23
12nd, for 22 bonding agent, preferably use selected from polyester-polyurethane system bonding agent (Polyester-urethane) and polyethers
Polyurethane (Polyether-urethane) is at least one bonding agent in the group of bonding agent composition.Above-mentioned bond layer 12,
22 thickness is preferably set to 0.5 μm～5 μm.
(heat sealability resin bed)
Heat sealability resin with regard to constituting the first heat sealability resin bed 15 and the second heat sealability resin bed 25, preferably
It is made up of the unstretching film of following heat sealability resin formation, above-mentioned heat sealability resin is selected from polyethylene, polypropylene, alkene
At least one in the group of hydrocarbon type copolymer, their acid modifier and ionomer composition.Above-mentioned heat sealability resin bed 15,
25 thickness is preferably set to 20 μm～150 μm of scope.
In addition, for the bonding for constituting the above-mentioned first heat sealability resin bed 15 of laminating and the second heat sealability resin bed 25
For the bonding agent of oxidant layer 14,24, the layer for preferably being formed by olefines bonding agent.Using the olefines bonding of two-solution curing type
During agent, can be substantially prevented from being reduced by the cementability caused because expanding caused by electrolyte.The thickness of above-mentioned bond layer 14,24
Degree is preferably set to 0.5 μm～5 μm.
(electrode body)
The metal forming used as positive electrode collector 111,141 and negative electrode collector 121,151 is according to the first above-mentioned gold medal
Category paper tinsel 11 and the second metal forming 21.
Positive active material portion 82,113,143 is by being for example added with binding agent (PVDF (Kynoar), vinylidene
With the copolymer with monomers such as hydroxyl, carboxyl, carbonyl, epoxy radicals, PTFE (politef), SBR (styrene butadiene rubbers
Glue), styrene and acrylic acid copolymer, CMC (sanlose etc.), PAN (polyacrylonitrile) etc.) and positive-active
Material (for example, the crystalline texture with rocksalt-type metal-oxide (which contains lithium, in addition containing selected from cobalt, nickel, manganese,
At least one metal of aluminum), or the metal-oxide of the crystalline texture with olivine-type (which contains lithium, in addition containing being selected from
At least one metal in ferrum, manganese), or the metal-oxide of the crystalline texture with spinel-type (which contains lithium, contains in addition
At least one metal in manganese, nickel)) blend compositions etc. formed.Above-mentioned positive active material portion 82,113,143
Thickness is preferably set to 2 μm～300 μm.In addition it is also possible to contain acetylene in above-mentioned positive active material portion 82,113,143
The conductive auxiliary agents such as the white carbon blacks such as black, black, Ketjen black, graphite particulate, CNT (CNT).In addition, as negative electrode active material
Portion 92,123,153, can from for example to binding agent (PVDF (Kynoar), vinylidene with have hydroxyl, carboxyl, carbonyl,
The copolymer of the monomers such as epoxy radicals, SBR (styrene butadiene ribber), styrene and acrylic acid copolymer, CMC, PAN etc.)
In be added with negative electrode active material (for example, graphite, easy graphitized charcoal, difficult graphitized charcoal, lithium titanate, can be with lithium containing silicon, stannum etc.
Carry out metal of the element of alloying etc.) blend compositions etc. formed.The thickness in above-mentioned negative electrode active material portion 92,123,153
Degree is preferably set to 1 μm～300 μm.In addition it is also possible in above-mentioned negative electrode active material portion 92,123,153 containing acetylene black,
The conductive auxiliary agents such as the white carbon blacks such as black, Ketjen black, CNT (CNT), graphite particulate.
As barrier film 130,134,160,170, polyethylene barrier film, polypropylene barrier film can be enumerated, by multilayer film (its
Formed by polyethylene film and polypropylene screen) barrier film that formed, or the resistance to of ceramics etc. is coated with by these resin-made barrier films
Barrier film that the multiple aperture plasma membrane of the wet type or dry type of hot inorganic matters is constituted etc..The thickness of above-mentioned barrier film 130,134,160,170 is excellent
Choosing is set as 5 μm～50 μm.
Electrolyte is using to ethylene carbonate, propylene carbonate, dimethyl carbonate, diethyl carbonate, methyl second
In the organic solvents such as base ester, acetonitrile, gamma-butyrolacton independent or the solvent that is mixed with, dissolving is selected from lithium hexafluoro phosphate, double trifluoros
The electrolyte obtained from the salt of lithium salts such as sulfonyl methane imine lithium, double fluorine sulfimide lithiums.
In order to reduce the contact resistance of collector and active substance portion, bottom can be set between collector and active substance portion
Coating.The electrical storage device 2 of Figure 11 is in the first metal forming 11 as collector and the setting priming coat 81 of the second metal forming 12
Form the example in positive active material portion 82 and negative electrode active material portion 92.Positive pole 110,140,145 and negative pole 120,125a,
On 125b, 150,155, priming coat can also be arranged on positive electrode collector 111,141 and positive active material portion 113,143 it
Between, between negative electrode collector 121,151 and negative electrode active material portion 123,153.The composition of the priming coat is not particularly limited,
But it is preferred that for example：In order to improve electric conductivity, and to PVDF (Kynoar), SBR (styrene butadiene ribber), PAN (poly- third
Alkene nitrile), add in the binding agent such as polysaccharide, the polysaccharide derivatives of CMC (sanlose etc.) such as shitosan white carbon black,
The mixture obtained by conductive auxiliary agent such as CNT (CNT).In configuration, thickness is set as into 0.01 μm～10 μm preferably.
The application advocates that the Japanese patent application laid filed an application on October 5th, 2015 is willing to No. 2015-197569 excellent
First weigh, the disclosure of which directly constitutes the part of the application.
Term as used herein and expression are used to illustrate the present invention, are not used in the explanation of being defined property.This
Any equivalent of the feature item that place illustrates and describes replaces not being excluded, it will be appreciated that also allow the power of the present invention
Various modifications within sharp claimed range.
Industrial applicability
The electrical storage device of the present invention is used as lithium ion battery, double layer capacitor, all-solid-state battery etc..
Claims (6)
1. a kind of electrical storage device, it is characterised in that include：
First exterior component, first exterior component are fitted with the first heat-resistant resin layer in the one side of the first metal forming, another
The first heat sealability resin bed is fitted with simultaneously, on the face of the first heat sealability resin bed side with the first metal
First inner side conducting portion of paper tinsel conducting；
Second exterior component, second exterior component are fitted with the second heat-resistant resin layer in the one side of the second metal forming, another
The second heat sealability resin bed is fitted with simultaneously, on the face of the second heat sealability resin bed side with the second metal
Second inner side conducting portion of paper tinsel conducting；With
More than one electrode body, the electrode body with the positive element containing positive active material, contain negative electrode active material
The minus polarity element of matter, the barrier film being configured between them,
At least one of first exterior component and the second exterior component, turn on the inside of comprising the first inner side conducting portion or second
The region in portion has embossed portions more than 2 ranks, the first heat sealability resin bed and the second exterior component of first exterior component
Second heat sealability resin bed is relative, by by the first heat sealability resin bed and the second heat sealability resin bed welding
Heat-sealing portion surrounds, and is consequently formed the exterior body with electrode body room, and the first inner side conducting portion and the second inner side conducting portion are towards institute
The interior of electrode body room is stated,
For the electrode body being enclosed together with electrolyte in the electrode body room, positive element and the first inner side conducting portion
Conducting and minus polarity element and the second inner side conducting portion conducting,
In the outer surface of the exterior body, the first outside conducting portion with first metal forming conducting is provided with and with described second
Second outside conducting portion of metal forming conducting.
2. electrical storage device as claimed in claim 1, wherein, first outside conducting portion and the second outside conducting portion are arranged on
Than heat-sealing portion position in the inner part.
3. electrical storage device as claimed in claim 1 or 2, wherein,
Including multiple electrodes body.
4. electrical storage device as claimed in claim 3, wherein,
The plurality of electrode body is laminated along the thickness direction of the exterior body.
5. electrical storage device as claimed in claim 3, wherein,
The plurality of electrode body is configured side by side along the face direction of the exterior body.
6. electrical storage device as claimed in claim 3, wherein,
The plurality of electrode body is configured with the shape of embossed portion more than 2 rank with being consistent.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-197569 | 2015-10-05 | ||
| JP2015197569A JP2017073209A (en) | 2015-10-05 | 2015-10-05 | Power storage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106560937A true CN106560937A (en) | 2017-04-12 |
Family
ID=58485795
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621096229.0U Active CN206148483U (en) | 2015-10-05 | 2016-09-29 | Electric storage apparatus |
| CN201610866421.1A Pending CN106560937A (en) | 2015-10-05 | 2016-09-29 | Electric power storage device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621096229.0U Active CN206148483U (en) | 2015-10-05 | 2016-09-29 | Electric storage apparatus |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2017073209A (en) |
| KR (1) | KR20170040747A (en) |
| CN (2) | CN206148483U (en) |
| TW (1) | TW201717452A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110402238B (en) | 2017-03-31 | 2022-11-29 | 保德科技股份有限公司 | Ferrite powder, resin composition and molded body |
| JP6680397B1 (en) * | 2019-10-09 | 2020-04-15 | 大日本印刷株式会社 | Manufacturing apparatus, manufacturing method and container |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3767151B2 (en) | 1997-02-26 | 2006-04-19 | ソニー株式会社 | Thin battery |
| JP4270599B2 (en) * | 1998-04-02 | 2009-06-03 | 大日本印刷株式会社 | Thin battery |
| JP4138172B2 (en) | 1999-08-20 | 2008-08-20 | Ｔｄｋ株式会社 | Electrochemical device and manufacturing method thereof |
| JP3680797B2 (en) * | 2002-02-08 | 2005-08-10 | 日本電池株式会社 | Non-aqueous electrolyte battery |
| JP2005276486A (en) * | 2004-03-23 | 2005-10-06 | Nissan Motor Co Ltd | Laminated battery, battery pack, and vehicle |
| US9178200B2 (en) * | 2012-05-18 | 2015-11-03 | 24M Technologies, Inc. | Electrochemical cells and methods of manufacturing the same |
-
2015
- 2015-10-05 JP JP2015197569A patent/JP2017073209A/en active Pending
-
2016
- 2016-09-13 TW TW105129862A patent/TW201717452A/en unknown
- 2016-09-29 CN CN201621096229.0U patent/CN206148483U/en active Active
- 2016-09-29 CN CN201610866421.1A patent/CN106560937A/en active Pending
- 2016-09-30 KR KR1020160126304A patent/KR20170040747A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CN206148483U (en) | 2017-05-03 |
| KR20170040747A (en) | 2017-04-13 |
| JP2017073209A (en) | 2017-04-13 |
| TW201717452A (en) | 2017-05-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6487712B2 (en) | Power storage device | |
| CN205159373U (en) | Slim power storage device | |
| TWI657256B (en) | Electrochemical device and manufacturing method thereof | |
| JP5228482B2 (en) | Electrical device | |
| CN106058363B (en) | Battery pack | |
| CN205159424U (en) | Electrical storage apparatus | |
| CN108140760B (en) | Electrical storage device | |
| WO2013042612A1 (en) | Film sheath battery and assembled battery | |
| JP2016207542A (en) | Outer housing for electricity storage device and electricity storage device | |
| CN206148483U (en) | Electric storage apparatus | |
| JP2017135110A (en) | Electrode assembly and electrochemical device including the same | |
| JP2020030899A (en) | Secondary battery | |
| CN106098969A (en) | Electrical storage device | |
| JP2016062717A (en) | Power storage device and manufacturing method thereof | |
| TWI719050B (en) | Power storage device | |
| JP2013020758A (en) | Lead tab for laminate type battery, laminate type battery equipped with the same, and manufacturing method of the same | |
| JP3980757B2 (en) | Thin battery | |
| JP6637675B2 (en) | Storage module and battery pack | |
| JP2020170636A (en) | Laminated battery | |
| CN107634172A (en) | A kind of solid polymer lithium ion battery and Li-ion batteries piles and preparation method thereof | |
| JP6889222B2 (en) | Laminated battery and manufacturing method of laminated battery | |
| WO2021024631A1 (en) | Battery | |
| KR20160119383A (en) | Electrode assembly, manufacturing method of the same and rechargeable battery | |
| TWI513081B (en) | Electrode assembly and electrochemical device including the same | |
| JP2011216202A (en) | Power storage device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170412 |