KR101483332B1 - 전극조립체 및 이를 포함하는 전기 화학 소자 - Google Patents
전극조립체 및 이를 포함하는 전기 화학 소자 Download PDFInfo
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- KR101483332B1 KR101483332B1 KR20110036263A KR20110036263A KR101483332B1 KR 101483332 B1 KR101483332 B1 KR 101483332B1 KR 20110036263 A KR20110036263 A KR 20110036263A KR 20110036263 A KR20110036263 A KR 20110036263A KR 101483332 B1 KR101483332 B1 KR 101483332B1
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- 229910052744 lithium Inorganic materials 0.000 claims abstract description 101
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000002427 irreversible effect Effects 0.000 claims abstract description 17
- 230000000712 assembly Effects 0.000 claims description 15
- 238000000429 assembly Methods 0.000 claims description 15
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 239000010409 thin film Substances 0.000 claims description 12
- 238000003860 storage Methods 0.000 claims description 8
- 239000010406 cathode material Substances 0.000 claims description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 16
- -1 lithium cations Chemical class 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 239000007773 negative electrode material Substances 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 6
- 238000001035 drying Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract 1
- 229940006487 lithium cation Drugs 0.000 abstract 1
- 239000010408 film Substances 0.000 description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 15
- 229910001416 lithium ion Inorganic materials 0.000 description 15
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 13
- 238000000034 method Methods 0.000 description 11
- 239000011230 binding agent Substances 0.000 description 7
- 229910052799 carbon Inorganic materials 0.000 description 7
- 239000006258 conductive agent Substances 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 210000004027 cell Anatomy 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000002033 PVDF binder Substances 0.000 description 5
- 239000003575 carbonaceous material Substances 0.000 description 5
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 5
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 239000007774 positive electrode material Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 238000001994 activation Methods 0.000 description 3
- 229910003481 amorphous carbon Inorganic materials 0.000 description 3
- 229910021383 artificial graphite Inorganic materials 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000002161 passivation Methods 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 239000006245 Carbon black Super-P Substances 0.000 description 2
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 2
- 229910014689 LiMnO Inorganic materials 0.000 description 2
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000006230 acetylene black Substances 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 239000006182 cathode active material Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- VUPKGFBOKBGHFZ-UHFFFAOYSA-N dipropyl carbonate Chemical compound CCCOC(=O)OCCC VUPKGFBOKBGHFZ-UHFFFAOYSA-N 0.000 description 2
- 239000002612 dispersion medium Substances 0.000 description 2
- 239000011267 electrode slurry Substances 0.000 description 2
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 238000009830 intercalation Methods 0.000 description 2
- 239000003273 ketjen black Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 229910021382 natural graphite Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 239000011255 nonaqueous electrolyte Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910020366 ClO 4 Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910015015 LiAsF 6 Inorganic materials 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910013684 LiClO 4 Inorganic materials 0.000 description 1
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 1
- 229910013131 LiN Inorganic materials 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- 229910015177 Ni1/3Co1/3Mn1/3 Inorganic materials 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- KLARSDUHONHPRF-UHFFFAOYSA-N [Li].[Mn] Chemical compound [Li].[Mn] KLARSDUHONHPRF-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001336 alkenes Chemical group 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000009831 deintercalation Methods 0.000 description 1
- 210000001787 dendrite Anatomy 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000003623 enhancer Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229910000625 lithium cobalt oxide Inorganic materials 0.000 description 1
- CASZBAVUIZZLOB-UHFFFAOYSA-N lithium iron(2+) oxygen(2-) Chemical compound [O-2].[Fe+2].[Li+] CASZBAVUIZZLOB-UHFFFAOYSA-N 0.000 description 1
- BFZPBUKRYWOWDV-UHFFFAOYSA-N lithium;oxido(oxo)cobalt Chemical compound [Li+].[O-][Co]=O BFZPBUKRYWOWDV-UHFFFAOYSA-N 0.000 description 1
- URIIGZKXFBNRAU-UHFFFAOYSA-N lithium;oxonickel Chemical compound [Li].[Ni]=O URIIGZKXFBNRAU-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000005486 organic electrolyte Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000005518 polymer electrolyte Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000006234 thermal black Substances 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 150000003623 transition metal compounds Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0438—Processes of manufacture in general by electrochemical processing
- H01M4/044—Activating, forming or electrochemical attack of the supporting material
- H01M4/0445—Forming after manufacture of the electrode, e.g. first charge, cycling
- H01M4/0447—Forming after manufacture of the electrode, e.g. first charge, cycling of complete cells or cells stacks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0438—Processes of manufacture in general by electrochemical processing
- H01M4/0459—Electrochemical doping, intercalation, occlusion or alloying
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of manufacture
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/10—Batteries in stationary systems, e.g. emergency power source in plant
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
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- 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
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- 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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
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Abstract
Description
도 2는 본 발명의 일 실시예에 따른 복수 개의 전극조립체와 리튬 금속을 포함하는 수단이 연결된 구조의 전극조립체 구조의 측면에 대한 개략도이다.
제조된 전지 수(ea) | 초기 용량(Ah) | 초기 출력(W) | |
실시예 | 10 | 5.7±0.1 | 740±20 |
비교예 | 10 | 5.2±0.1 | 700±20 |
200회 충방전 후 용량(Ah) |
200회 충방전 후 출력(W) |
고온저장 후 용량(Ah) |
고온저장 후 출력 (W) |
|
실시예 | 5.1±0.1 | 650±20 | 5.1±0.1 | 640±20 |
비교예 | 4.7±0.1 | 630±20 | 4.5±0.1 | 600±20 |
240, 340 전도성 수단
220, 320a, 320b 음극탭
210, 310a, 310b 양극탭
150, 350 저항체
Claims (18)
- 양극, 음극, 분리막 및 리튬 금속을 포함하는 수단을 포함하고,
상기 음극과 상기 리튬 금속을 포함하는 수단은 저항체로 전기적으로 연결된 전극조립체. - 삭제
- 삭제
- 제1항에 있어서, 상기 저항체는 상기 전극조립체를 포함하는 전지의 초기 자가 충전 속도가 0.01 ~ 1 C-rate의 속도로 충전될 수 있도록 하는 저항 크기를 갖는 전도성의 금속인 전극조립체.
- 제1항에 있어서, 상기 저항체는 상기 전극조립체를 포함하는 전지의 초기 자가 충전 속도가 0.01 ~ 0.1 C-rate의 속도로 충전될 수 있도록 하는 저항 크기를 갖는 전도성의 금속인 전극조립체.
- 제1항에 있어서, 상기 저항체는 10 mΩ ~ 100Ω 의 저항 크기를 갖는 금속에서 선택되는 1종 이상의 전도성 금속인 전극조립체.
- 제1항에 있어서, 상기 리튬 금속을 포함하는 수단은 리튬 금속을 포함하는 박막인 전극조립체.
- 제1항에 있어서, 상기 리튬 금속을 포함하는 수단은 다공성 시트 상에 리튬 금속을 포함하는 것인 전극조립체.
- 제1항에 있어서, 상기 리튬 금속을 포함하는 수단은 다공성 시트 상에 리튬 금속의 박막을 라미네이트시킨 것인 전극조립체.
- 제1항에 있어서, 상기 리튬 금속을 포함하는 수단에 포함되는 리튬 금속의 양은 사용되는 음극 재료의 비가역 용량과 동일한 것인 전극조립체.
- 제1항에 있어서, 상기 리튬 금속을 포함하는 수단에 포함되는 리튬 금속의 양은 사용되는 음극 재료의 비가역 용량보다 5% 미만으로 적은 양인 것인 전극조립체.
- 제1항에 있어서, 상기 리튬 금속을 포함하는 수단은 다수의 전극조립체와 연결되는 것인 전극조립체.
- 제12항에 있어서, 상기 리튬 금속을 포함하는 수단과 다수의 전극조립체는 상기 각 전극조립체의 음극과 연결되는 것인 전극조립체.
- 제1항에 있어서, 상기 전극조립체는 스택형, 젤리-롤형, 스택/폴딩형, 스택-z-폴딩형 구조 중에서 선택된 어느 하나의 구조로 이뤄진 전극조립체.
- 제1항에 따른 전극조립체를 포함하는 전기화학소자.
- 제15항에 있어서, 상기 전기화학소자는 리튬 이차 전지인 것인 전기화학소자.
- 제15항에 따른 전기화학소자 다수를 전기적으로 연결하여 포함하는 것을 특징으로 하는 중대형 전지팩.
- 제17항에 있어서, 상기 중대형 전지팩은 파워 툴(power tool); 전기차(Electric Vehicle, EV), 하이브리드 전기차(Hybrid Electric Vehicle, HEV) 및 플러그인 하이브리드 전기차(Plug-in Hybrid Electric Vehicle, PHEV)를 포함하는 전기차; E-bike, E-scooter를 포함하는 전기 이륜차; 전기 골프 카트(Electric golf cart); 전기 트럭; 전기 상용차 또는 전력 저장용 시스템 중 어느 하나 이상의 중대형 디바이스의 전원으로 이용되는 것을 특징으로 하는 중대형 전지팩.
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KR19990086308A (ko) * | 1998-05-27 | 1999-12-15 | 박호군 | 카본 전극의 전리튬화 방법과 이를 이용한리튬 이차전지 제조방법 |
KR100639431B1 (ko) * | 2005-09-21 | 2006-10-31 | 주식회사 에너랜드 | 하이브리드 전기에너지 저장시스템 및 방법 |
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KR19990086308A (ko) * | 1998-05-27 | 1999-12-15 | 박호군 | 카본 전극의 전리튬화 방법과 이를 이용한리튬 이차전지 제조방법 |
KR100639431B1 (ko) * | 2005-09-21 | 2006-10-31 | 주식회사 에너랜드 | 하이브리드 전기에너지 저장시스템 및 방법 |
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