JP5910164B2 - 非水電解質二次電池 - Google Patents
非水電解質二次電池 Download PDFInfo
- Publication number
- JP5910164B2 JP5910164B2 JP2012042134A JP2012042134A JP5910164B2 JP 5910164 B2 JP5910164 B2 JP 5910164B2 JP 2012042134 A JP2012042134 A JP 2012042134A JP 2012042134 A JP2012042134 A JP 2012042134A JP 5910164 B2 JP5910164 B2 JP 5910164B2
- Authority
- JP
- Japan
- Prior art keywords
- active material
- separator
- electrode active
- material layer
- negative electrode
- 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.)
- Active
Links
- 239000011255 nonaqueous electrolyte Substances 0.000 title claims description 34
- 239000007773 negative electrode material Substances 0.000 claims description 62
- 230000003746 surface roughness Effects 0.000 claims description 46
- 239000007774 positive electrode material Substances 0.000 claims description 44
- 239000000758 substrate Substances 0.000 claims description 35
- 239000011230 binding agent Substances 0.000 claims description 23
- 239000010954 inorganic particle Substances 0.000 claims description 15
- 238000010248 power generation Methods 0.000 claims description 11
- 239000010410 layer Substances 0.000 description 189
- 229920005989 resin Polymers 0.000 description 39
- 239000011347 resin Substances 0.000 description 39
- 238000000034 method Methods 0.000 description 30
- 239000000463 material Substances 0.000 description 29
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 22
- 229910001416 lithium ion Inorganic materials 0.000 description 22
- 239000002245 particle Substances 0.000 description 22
- 239000011149 active material Substances 0.000 description 21
- -1 Si and Sn Chemical class 0.000 description 20
- 238000004519 manufacturing process Methods 0.000 description 19
- 239000002033 PVDF binder Substances 0.000 description 17
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 17
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 14
- 239000002904 solvent Substances 0.000 description 13
- 229920000642 polymer Polymers 0.000 description 11
- 229920000573 polyethylene Polymers 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 239000004698 Polyethylene Substances 0.000 description 9
- 239000004743 Polypropylene Substances 0.000 description 9
- 239000004020 conductor Substances 0.000 description 9
- 229920001155 polypropylene Polymers 0.000 description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 8
- 229920001577 copolymer Polymers 0.000 description 8
- 229910052744 lithium Inorganic materials 0.000 description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 7
- 239000002131 composite material Substances 0.000 description 7
- 239000003792 electrolyte Substances 0.000 description 7
- 238000003475 lamination Methods 0.000 description 7
- 238000002844 melting Methods 0.000 description 7
- 230000008018 melting Effects 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000002002 slurry Substances 0.000 description 7
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 6
- 239000005977 Ethylene Substances 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- TZIHFWKZFHZASV-UHFFFAOYSA-N methyl formate Chemical compound COC=O TZIHFWKZFHZASV-UHFFFAOYSA-N 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 229920000098 polyolefin Polymers 0.000 description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 6
- 229940058401 polytetrafluoroethylene Drugs 0.000 description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 description 6
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 6
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 6
- 239000011163 secondary particle Substances 0.000 description 6
- 239000002202 Polyethylene glycol Substances 0.000 description 5
- 239000003575 carbonaceous material Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 239000000470 constituent Substances 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 5
- 239000011244 liquid electrolyte Substances 0.000 description 5
- 229910003002 lithium salt Inorganic materials 0.000 description 5
- 159000000002 lithium salts Chemical class 0.000 description 5
- 229920002239 polyacrylonitrile Polymers 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 4
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 239000011245 gel electrolyte Substances 0.000 description 4
- 239000011159 matrix material Substances 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000011164 primary particle Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 239000004642 Polyimide Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000012982 microporous membrane Substances 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000003960 organic solvent Substances 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 229920001721 polyimide Polymers 0.000 description 3
- 239000011118 polyvinyl acetate Substances 0.000 description 3
- 229920002689 polyvinyl acetate Polymers 0.000 description 3
- CXWXQJXEFPUFDZ-UHFFFAOYSA-N tetralin Chemical compound C1=CC=C2CCCCC2=C1 CXWXQJXEFPUFDZ-UHFFFAOYSA-N 0.000 description 3
- 229920005992 thermoplastic resin Polymers 0.000 description 3
- 229920001187 thermosetting polymer Polymers 0.000 description 3
- 229910052718 tin Inorganic materials 0.000 description 3
- 239000010936 titanium Substances 0.000 description 3
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 2
- WNXJIVFYUVYPPR-UHFFFAOYSA-N 1,3-dioxolane Chemical compound C1COCO1 WNXJIVFYUVYPPR-UHFFFAOYSA-N 0.000 description 2
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 description 2
- LBKMJZAKWQTTHC-UHFFFAOYSA-N 4-methyldioxolane Chemical compound CC1COOC1 LBKMJZAKWQTTHC-UHFFFAOYSA-N 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910013870 LiPF 6 Inorganic materials 0.000 description 2
- RJUFJBKOKNCXHH-UHFFFAOYSA-N Methyl propionate Chemical compound CCC(=O)OC RJUFJBKOKNCXHH-UHFFFAOYSA-N 0.000 description 2
- ATHHXGZTWNVVOU-UHFFFAOYSA-N N-methylformamide Chemical compound CNC=O ATHHXGZTWNVVOU-UHFFFAOYSA-N 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 229920002319 Poly(methyl acrylate) Polymers 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 229920001807 Urea-formaldehyde Polymers 0.000 description 2
- KXKVLQRXCPHEJC-UHFFFAOYSA-N acetic acid trimethyl ester Natural products COC(C)=O KXKVLQRXCPHEJC-UHFFFAOYSA-N 0.000 description 2
- 239000006230 acetylene black Substances 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 2
- 238000004220 aggregation Methods 0.000 description 2
- 229910021383 artificial graphite Inorganic materials 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 235000019241 carbon black Nutrition 0.000 description 2
- 239000004917 carbon fiber Substances 0.000 description 2
- 239000002134 carbon nanofiber Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- NNBZCPXTIHJBJL-UHFFFAOYSA-N decalin Chemical compound C1CCCC2CCCCC21 NNBZCPXTIHJBJL-UHFFFAOYSA-N 0.000 description 2
- VUPKGFBOKBGHFZ-UHFFFAOYSA-N dipropyl carbonate Chemical compound CCCOC(=O)OCCC VUPKGFBOKBGHFZ-UHFFFAOYSA-N 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 229910052732 germanium Inorganic materials 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- 238000007561 laser diffraction method Methods 0.000 description 2
- 229910052745 lead Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 239000002905 metal composite material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229940017219 methyl propionate Drugs 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 2
- 229920002492 poly(sulfone) Polymers 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 239000004926 polymethyl methacrylate Substances 0.000 description 2
- 229920005672 polyolefin resin Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229920002620 polyvinyl fluoride Polymers 0.000 description 2
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 238000000790 scattering method Methods 0.000 description 2
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 2
- 229910052723 transition metal Inorganic materials 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- GEWWCWZGHNIUBW-UHFFFAOYSA-N 1-(4-nitrophenyl)propan-2-one Chemical compound CC(=O)CC1=CC=C([N+]([O-])=O)C=C1 GEWWCWZGHNIUBW-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 229910001148 Al-Li alloy Inorganic materials 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- 229910008088 Li-Mn Inorganic materials 0.000 description 1
- 229910008367 Li-Pb Inorganic materials 0.000 description 1
- 229910011458 Li4/3 Ti5/3O4 Inorganic materials 0.000 description 1
- 229910010238 LiAlCl 4 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
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 1
- 229910013716 LiNi Inorganic materials 0.000 description 1
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 1
- 229910012513 LiSbF 6 Inorganic materials 0.000 description 1
- 229910006327 Li—Mn Inorganic materials 0.000 description 1
- 229910006465 Li—Ni—Mn Inorganic materials 0.000 description 1
- 229910006738 Li—Pb Inorganic materials 0.000 description 1
- 239000004640 Melamine resin Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000005662 Paraffin oil Substances 0.000 description 1
- 229920012266 Poly(ether sulfone) PES Polymers 0.000 description 1
- 229920002845 Poly(methacrylic acid) Polymers 0.000 description 1
- 239000005062 Polybutadiene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- GEIAQOFPUVMAGM-UHFFFAOYSA-N ZrO Inorganic materials [Zr]=O GEIAQOFPUVMAGM-UHFFFAOYSA-N 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 229920005603 alternating copolymer Polymers 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 239000006183 anode active material Substances 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910052586 apatite Inorganic materials 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910001593 boehmite Inorganic materials 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000006231 channel black Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- CKFRRHLHAJZIIN-UHFFFAOYSA-N cobalt lithium Chemical compound [Li].[Co] CKFRRHLHAJZIIN-UHFFFAOYSA-N 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 239000011231 conductive filler Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000006232 furnace black Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229920000578 graft copolymer Polymers 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 229910021385 hard carbon Inorganic materials 0.000 description 1
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229920003049 isoprene rubber Polymers 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 229940057995 liquid paraffin Drugs 0.000 description 1
- 101150004907 litaf gene Proteins 0.000 description 1
- HSZCZNFXUDYRKD-UHFFFAOYSA-M lithium iodide Inorganic materials [Li+].[I-] HSZCZNFXUDYRKD-UHFFFAOYSA-M 0.000 description 1
- ACFSQHQYDZIPRL-UHFFFAOYSA-N lithium;bis(1,1,2,2,2-pentafluoroethylsulfonyl)azanide Chemical compound [Li+].FC(F)(F)C(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)C(F)(F)F ACFSQHQYDZIPRL-UHFFFAOYSA-N 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 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 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052863 mullite Inorganic materials 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000010450 olivine Substances 0.000 description 1
- 229910052609 olivine Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920005569 poly(vinylidene fluoride-co-hexafluoropropylene) Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920002857 polybutadiene Polymers 0.000 description 1
- 239000005518 polymer electrolyte Substances 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229920005604 random copolymer Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000007581 slurry coating method Methods 0.000 description 1
- 229910021384 soft carbon Inorganic materials 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- 229910052716 thallium Inorganic materials 0.000 description 1
- 239000006234 thermal black Substances 0.000 description 1
- 238000012719 thermal polymerization Methods 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- PXXNTAGJWPJAGM-UHFFFAOYSA-N vertaline Natural products C1C2C=3C=C(OC)C(OC)=CC=3OC(C=C3)=CC=C3CCC(=O)OC1CC1N2CCCC1 PXXNTAGJWPJAGM-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- 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
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/411—Organic material
- H01M50/414—Synthetic resins, e.g. thermoplastics or thermosetting resins
- H01M50/417—Polyolefins
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/446—Composite material consisting of a mixture of organic and inorganic materials
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
- H01M50/451—Separators, membranes or diaphragms characterised by the material having a layered structure comprising layers of only organic material and layers containing inorganic material
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
- H01M50/457—Separators, membranes or diaphragms characterised by the material having a layered structure comprising three or more layers
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/489—Separators, membranes, diaphragms or spacing elements inside the cells, characterised by their physical properties, e.g. swelling degree, hydrophilicity or shut down properties
- H01M50/491—Porosity
-
- 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
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
-
- 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
-
- 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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/403—Manufacturing processes of separators, membranes or diaphragms
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Cell Separators (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Description
本実施形態に係るリチウムイオン二次電池10は、セパレータ17に接する側の負極活物質層13の表面の表面粗さ(Rzjis(1))に対する、負極活物質層13に接する側のセパレータ17の表面の表面粗さ(Rzjis(2))の比の値として定義される表面粗さ比RA(=Rzjis(2)/Rzjis(1))が、0.15〜0.85である点に特徴を有する。
負極は、負極集電体11の表面に負極活物質層13が形成されてなる構造を有する。
バインダとしては、以下に制限されることはないが、ポリフッ化ビニリデン(PVDF)、カルボキシメチルセルロース(CMC)、ポリテトラフルオロエチレン(PTFE)、ポリ酢酸ビニル、およびアクリル樹脂(例えば、LSR)などの熱可塑性樹脂、ポリイミド、エポキシ樹脂、ポリウレタン樹脂、およびユリア樹脂などの熱硬化性樹脂、ならびにスチレン−ブタジエンゴム(SBR)などのゴム系材料が挙げられる。
正極は、正極集電体12の表面に正極活物質層15が形成されてなる構造を有する。
セパレータ17は、負極活物質層13と正極活物質層15との間の空間的な隔壁(スペーサ)として機能する。また、これと併せて、充放電時における正負極間でのリチウムイオンの移動媒体である非水電解質を内蔵する機能をも有する。
図2に示す形態において、多孔質基体層3は、耐熱絶縁層(5a、5b)を形成する際の基体として機能する。多孔質基体層3を構成する材料は、特に制限はないが、熱可塑性樹脂および熱硬化性樹脂などの樹脂材料、金属材料、セルロース系材料などが使用できる。このうち、耐熱絶縁層付セパレータにシャットダウン機能を付与する観点から、樹脂材料からなる多孔質基体層(以下、「樹脂多孔質基体層」とも称する)を用いることが好ましい。
耐熱絶縁層(5a、5b)は、上記多孔質基体層の片面または両面に配置され、セパレータの強度を補強する機能を有する。特に多孔質基体層が樹脂材料から構成される樹脂多孔質基体層である場合、電池温度が上昇することにより生じる内部応力を緩和し、セパレータの熱収縮による変形等を抑制する役割も果たす。当該耐熱絶縁層は、無機粒子およびバインダを含む。
集電板(25、27)を構成する材料は、特に制限されず、リチウムイオン二次電池用の集電板として従来用いられている公知の高導電性材料が用いられうる。集電板の構成材料としては、例えば、アルミニウム、銅、チタン、ニッケル、ステンレス鋼(SUS)、これらの合金等の金属材料が好ましい。軽量、耐食性、高導電性の観点から、より好ましくはアルミニウム、銅であり、特に好ましくはアルミニウムである。なお、正極集電板25と負極集電板27とでは、同一の材料が用いられてもよいし、異なる材料が用いられてもよい。
また、図示は省略するが、集電体11と集電板(25、27)との間を正極リードや負極リードを介して電気的に接続してもよい。正極および負極リードの構成材料としては、公知のリチウムイオン二次電池において用いられる材料が同様に採用されうる。なお、外装から取り出された部分は、周辺機器や配線などに接触して漏電したりして製品(例えば、自動車部品、特に電子機器等)に影響を与えないように、耐熱絶縁性の熱収縮チューブなどにより被覆することが好ましい。
外装としては、図1に示すようなラミネートシート29が用いられうる。ラミネートシートは、例えば、ポリプロピレン、アルミニウム、ナイロンがこの順に積層されてなる3層構造として構成されうる。なお、場合によっては、従来公知の金属缶ケースもまた、外装として用いられうる。
以下の実施例・比較例において、部材表面の表面粗さ(Rzjis)および動摩擦係数は、以下の手法により測定した。
レーザー顕微鏡にて、部材(セパレータまたは活物質層)表面の表面粗さ(Rzjis)を測定した。具体的には、128μm×100μmの表面を観察し、任意箇所の線上断面プロファイルより、128μmの範囲の表面粗さ(Rzjis)を測定した。
JIS No.K7125に規定される摩擦係数測定法に準拠し、セパレータ上に電極(正極または負極)を載せ、さらにその上にすべり片200gを載せて、電極の端部を引張試験機を用いて100mm/minの速度で引張った際の荷重変位を測定した。測定開始部より20〜100mmの荷重平均値を動摩擦力とし、すべり片の法線力で除して動摩擦係数を算出した。
(負極の作製)
負極活物質として人造グラファイト(平均粒子径:15μm)96.5質量%、バインダとしてポリフッ化ビニリデン(PVDF)3.5質量%をN−メチル−2−ピロリドン(NMP)中に分散させてスラリーを調製した。
正極活物質としてリチウムコバルト複合酸化物(LiCoO2)を92.2質量%、導電性材料としてアセチレンブラックを4.6質量%、バインダとしてポリフッ化ビニリデン(PVDF)3.2質量%をN−メチル−2−ピロリドン(NMP)中に分散させてスラリーを調製した。
エチレンカーボネート:エチルメチルカーボネート=1:2(体積比)の混合溶媒に、溶質としてLiPF6を濃度1.0mol/Lとなるように溶解させて、非水電解液を調製した。
2軸延伸して得られたポリオレフィン樹脂多孔膜(厚さ:30μm)の両表面に耐熱絶縁層(厚さ:各5μm)が配置されてなる耐熱絶縁層付セパレータを作製した。具体的には、まず、無機粒子であるアルミナ粒子(BET比表面積:5m2/g、平均粒子径:0.48μm)95質量%およびバインダであるポリエチレン5質量%を水に分散させてスラリーを調製した。次いで、このスラリーをポリオレフィン樹脂多孔膜(厚さ:16μm)上にグラビアコーターを用いて塗布した後、60℃で乾燥して水を除去することで、耐熱絶縁層付セパレータを作製した。
耐熱絶縁層付セパレータを構成する耐熱絶縁層において、無機粒子であるアルミナ粒子としてBET比表面積:15m2/g、平均粒子径:0.55μmのものを用いたこと以外は、上述した実施例1と同様の手法により、各部材を作製・調製した。
耐熱絶縁層付セパレータを構成する耐熱絶縁層において、無機粒子であるアルミナ粒子としてBET比表面積:52m2/g、平均粒子径:2.8μmのものを用いたこと以外は、上述した実施例1と同様の手法により、各部材を作製・調製した。
負極活物質層に含まれる負極活物質として平均粒子径:12μmのものを用いたこと以外は、上述した実施例3と同様の手法により、各部材を作製・調製した。
3 樹脂多孔質基体層、
5a、5b 耐熱絶縁層、
10 リチウムイオン二次電池、
11 負極集電体、
12 正極集電体、
13 負極活物質層、
15 正極活物質層、
17 電解質層、
19 単電池層、
21 発電要素、
25 負極集電板、
27 正極集電板、
29 ラミネートシート。
Claims (2)
- 正極集電体の表面に正極活物質層が形成されてなる正極と、
負極集電体の表面に負極活物質層が形成されてなる負極と、
前記正極活物質層と前記負極活物質層との間に前記負極活物質層に接するように介在し、非水電解質を内蔵するセパレータと、
を含む単電池層を備える発電要素を有する非水電解質二次電池であって、
前記セパレータに接する側の前記負極活物質層の表面の表面粗さ(Rzjis(1))に対する、前記負極活物質層に接する側の前記セパレータの表面の表面粗さ(Rzjis(2))の比の値RA(=Rzjis(2)/Rzjis(1))が、0.15〜0.5であり、
前記セパレータが前記正極活物質層にも接するように前記正極活物質層と前記負極活物質層との間に介在し、前記セパレータに接する側の正極活物質層の表面の表面粗さ(R zjis (3))に対する、前記正極活物質層に接する側の前記セパレータの表面の表面粗さ(R zjis (4))の比の値R B (=R zjis (4)/R zjis (3))が、0.5〜1.5であり、
前記R B が、前記R A よりも大きいことを特徴とする、非水電解質二次電池。 - 前記セパレータが、
多孔質基体層と、
前記多孔質基体層の片面または両面に形成された無機粒子およびバインダを含む耐熱絶縁層と、
を備える耐熱絶縁層付セパレータである、請求項1に記載の非水電解質二次電池。
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012042134A JP5910164B2 (ja) | 2012-02-28 | 2012-02-28 | 非水電解質二次電池 |
PCT/JP2013/051886 WO2013129009A1 (ja) | 2012-02-28 | 2013-01-29 | 非水電解質二次電池 |
EP13754361.7A EP2822080B1 (en) | 2012-02-28 | 2013-01-29 | Non-aqueous electrolyte secondary battery |
RU2014138819/07A RU2569670C1 (ru) | 2012-02-28 | 2013-01-29 | Аккумуляторная батарея с неводным электролитом |
MX2014010347A MX340420B (es) | 2012-02-28 | 2013-01-29 | Batería secundaria de electrolito no acuoso. |
CN201380011569.1A CN104205465B (zh) | 2012-02-28 | 2013-01-29 | 非水电解质二次电池 |
MYPI2014701924A MY167670A (en) | 2012-02-28 | 2013-01-29 | Non-aqueous electrolyte secondary battery |
US14/381,077 US10224527B2 (en) | 2012-02-28 | 2013-01-29 | Non-aqueous electrolyte secondary battery |
KR1020147023837A KR101623674B1 (ko) | 2012-02-28 | 2013-01-29 | 비수전해질 이차 전지 |
BR112014021393-3A BR112014021393B1 (pt) | 2012-02-28 | 2013-01-29 | bateria secundária de eletrólito não aquoso |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012042134A JP5910164B2 (ja) | 2012-02-28 | 2012-02-28 | 非水電解質二次電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013178952A JP2013178952A (ja) | 2013-09-09 |
JP5910164B2 true JP5910164B2 (ja) | 2016-04-27 |
Family
ID=49082213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012042134A Active JP5910164B2 (ja) | 2012-02-28 | 2012-02-28 | 非水電解質二次電池 |
Country Status (10)
Country | Link |
---|---|
US (1) | US10224527B2 (ja) |
EP (1) | EP2822080B1 (ja) |
JP (1) | JP5910164B2 (ja) |
KR (1) | KR101623674B1 (ja) |
CN (1) | CN104205465B (ja) |
BR (1) | BR112014021393B1 (ja) |
MX (1) | MX340420B (ja) |
MY (1) | MY167670A (ja) |
RU (1) | RU2569670C1 (ja) |
WO (1) | WO2013129009A1 (ja) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150207122A1 (en) * | 2012-07-30 | 2015-07-23 | Teijin Limited | Separator for nonaqueous electrolyte battery, and nonaqueous electrolyte battery |
JP2014179321A (ja) * | 2013-03-13 | 2014-09-25 | Samsung Sdi Co Ltd | セパレータおよびこれを含むリチウム二次電池 |
JPWO2015034080A1 (ja) * | 2013-09-09 | 2017-03-02 | 宇部興産株式会社 | セパレータ及びそれを用いた蓄電デバイス |
KR102035375B1 (ko) | 2013-10-15 | 2019-10-22 | 가부시키가이샤 무라타 세이사쿠쇼 | 전지, 전지 팩, 전자 기기, 전동 차량, 축전 장치 및 전력 시스템 |
JP6282458B2 (ja) * | 2013-12-13 | 2018-02-21 | 三星エスディアイ株式会社Samsung SDI Co., Ltd. | 非水電解質二次電池用電極巻回素子、それを用いた非水電解質二次電池、及び非水電解質二次電池用電極巻回素子の製造方法 |
CN107078272B (zh) * | 2014-10-23 | 2022-01-18 | 赛昂能源有限公司 | 用于电化学电池的离子传导复合材料 |
JP6264350B2 (ja) * | 2015-09-24 | 2018-01-24 | トヨタ自動車株式会社 | 電極積層体及び全固体電池の製造方法 |
JP6566265B2 (ja) * | 2016-09-09 | 2019-08-28 | トヨタ自動車株式会社 | 密閉型二次電池 |
JP6496762B2 (ja) | 2017-03-03 | 2019-04-03 | 住友化学株式会社 | 非水電解液二次電池用セパレータ |
RU171277U1 (ru) * | 2017-04-19 | 2017-05-29 | Анна Сергеевна Штейнберг | Высокомощный литий-ионный аккумулятор |
JP6737235B2 (ja) * | 2017-05-22 | 2020-08-05 | トヨタ自動車株式会社 | 電池およびその製造方法 |
US11094997B2 (en) * | 2017-05-29 | 2021-08-17 | Sumitomo Chemical Company, Limited | Nonaqueous electrolyte secondary battery |
KR102167119B1 (ko) | 2017-07-20 | 2020-10-16 | 주식회사 엘지화학 | 이차전지용 전극 제조시스템 및 제조방법 |
KR102142551B1 (ko) | 2017-07-20 | 2020-08-07 | 주식회사 엘지화학 | 이차전지용 전극 제조시스템 및 제조방법 |
JP6928872B2 (ja) * | 2017-11-07 | 2021-09-01 | トヨタ自動車株式会社 | 非水系二次電池 |
WO2019102883A1 (ja) * | 2017-11-21 | 2019-05-31 | マクセルホールディングス株式会社 | 非水電解質電池 |
JP7047465B2 (ja) * | 2018-03-02 | 2022-04-05 | 三洋電機株式会社 | 非水電解質二次電池およびその製造方法 |
EP3796455B1 (en) * | 2018-05-17 | 2024-07-24 | NGK Insulators, Ltd. | Lithium secondary battery |
JP7071697B2 (ja) * | 2018-06-01 | 2022-05-19 | トヨタ自動車株式会社 | 非水電解液二次電池 |
WO2020137630A1 (ja) * | 2018-12-26 | 2020-07-02 | 株式会社クラレ | アルカリ電池用セパレータおよびその製造方法 |
US20220094019A1 (en) * | 2019-01-04 | 2022-03-24 | Ceigard, LLC | Coated microporous membranes, and battery separators, batteries, vehicles, and devices comprising the same |
CN111490229A (zh) * | 2019-01-25 | 2020-08-04 | 株式会社理光 | 电极及其制造方法,电极元件,电化学元件 |
RU2722688C1 (ru) * | 2019-04-05 | 2020-06-03 | Общество с ограниченной ответственностью "Инэнерджи" | Гибкий тонкопленочный положительный электрод и способ его изготовления |
JP7371581B2 (ja) * | 2020-07-17 | 2023-10-31 | トヨタ自動車株式会社 | 非水電解質二次電池 |
EP4333153A1 (en) * | 2021-04-26 | 2024-03-06 | Panasonic Energy Co., Ltd. | Non-aqueous electrolyte secondary battery |
KR20240039536A (ko) * | 2022-09-19 | 2024-03-26 | 주식회사 엘지에너지솔루션 | 전극조립체, 그의 제조방법 및 이차전지 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3303694B2 (ja) * | 1996-12-17 | 2002-07-22 | 三菱電機株式会社 | リチウムイオン二次電池及びその製造方法 |
JPH1180395A (ja) * | 1997-09-09 | 1999-03-26 | Nitto Denko Corp | 多孔質膜および非水電解液電池用セパレータ |
CA2319460C (en) | 1998-12-03 | 2010-02-02 | Sumitomo Electric Industries, Ltd. | Lithium storage battery |
WO2005029614A1 (ja) * | 2003-09-18 | 2005-03-31 | Matsushita Electric Industrial Co., Ltd. | リチウムイオン二次電池 |
JP2005246966A (ja) * | 2004-02-06 | 2005-09-15 | Fuji Photo Film Co Ltd | 平版印刷版原版積層体 |
KR100800968B1 (ko) * | 2004-09-11 | 2008-02-05 | 주식회사 엘지화학 | 리튬 이차전지용 실리콘 박막 음극의 성능 개선 방법 |
KR100821442B1 (ko) | 2005-05-31 | 2008-04-10 | 마쯔시다덴기산교 가부시키가이샤 | 비수전해질 2차전지 및 전지모듈 |
JP4177885B2 (ja) * | 2005-11-07 | 2008-11-05 | 松下電器産業株式会社 | リチウム二次電池用負極、リチウムイオン二次電池およびその製造法 |
JP4747804B2 (ja) * | 2005-11-25 | 2011-08-17 | パナソニック電工株式会社 | 燃料電池用セパレータの製造方法 |
JP4893254B2 (ja) * | 2006-11-15 | 2012-03-07 | トヨタ自動車株式会社 | リチウム二次電池の製造方法およびリチウム二次電池 |
KR100947072B1 (ko) * | 2008-03-27 | 2010-04-01 | 삼성에스디아이 주식회사 | 전극조립체 및 이를 구비하는 이차전지 |
JP2010123383A (ja) * | 2008-11-19 | 2010-06-03 | Teijin Ltd | 非水系二次電池用セパレータ、その製造方法および非水系二次電池 |
EP2381510A4 (en) * | 2008-12-24 | 2016-04-20 | Mitsubishi Plastics Inc | SEPARATOR FOR A BATTERY AND WATER-FREE LITHIUM BATTERY |
JP5420938B2 (ja) * | 2009-03-13 | 2014-02-19 | 帝人株式会社 | 非水系二次電池用セパレータおよび非水系二次電池 |
WO2011024849A1 (ja) | 2009-08-25 | 2011-03-03 | 旭化成イーマテリアルズ株式会社 | 微多孔膜捲回体及びその製造方法 |
JP2012238508A (ja) * | 2011-05-12 | 2012-12-06 | Hitachi Maxell Energy Ltd | 非水二次電池 |
-
2012
- 2012-02-28 JP JP2012042134A patent/JP5910164B2/ja active Active
-
2013
- 2013-01-29 US US14/381,077 patent/US10224527B2/en active Active
- 2013-01-29 BR BR112014021393-3A patent/BR112014021393B1/pt not_active IP Right Cessation
- 2013-01-29 MY MYPI2014701924A patent/MY167670A/en unknown
- 2013-01-29 RU RU2014138819/07A patent/RU2569670C1/ru active
- 2013-01-29 MX MX2014010347A patent/MX340420B/es active IP Right Grant
- 2013-01-29 CN CN201380011569.1A patent/CN104205465B/zh active Active
- 2013-01-29 WO PCT/JP2013/051886 patent/WO2013129009A1/ja active Application Filing
- 2013-01-29 KR KR1020147023837A patent/KR101623674B1/ko active IP Right Grant
- 2013-01-29 EP EP13754361.7A patent/EP2822080B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
MX340420B (es) | 2016-07-08 |
EP2822080A4 (en) | 2015-04-01 |
WO2013129009A1 (ja) | 2013-09-06 |
JP2013178952A (ja) | 2013-09-09 |
MX2014010347A (es) | 2014-11-13 |
US10224527B2 (en) | 2019-03-05 |
EP2822080A1 (en) | 2015-01-07 |
KR20140121457A (ko) | 2014-10-15 |
CN104205465B (zh) | 2017-11-10 |
BR112014021393B1 (pt) | 2021-03-02 |
RU2569670C1 (ru) | 2015-11-27 |
US20150017510A1 (en) | 2015-01-15 |
EP2822080B1 (en) | 2015-12-23 |
CN104205465A (zh) | 2014-12-10 |
MY167670A (en) | 2018-09-21 |
KR101623674B1 (ko) | 2016-05-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5910164B2 (ja) | 非水電解質二次電池 | |
KR102124950B1 (ko) | 이차전지용 양극, 그 제조방법 및 이를 포함하는 리튬 이차전지 | |
RU2566741C2 (ru) | Токоотвод для биполярной литий-ионной аккумуляторной батареи | |
JP5526488B2 (ja) | 電気化学デバイス | |
JP2010160984A (ja) | リチウムイオン二次電池用負極およびこれを用いたリチウムイオン二次電池 | |
JP5966285B2 (ja) | 耐熱絶縁層付セパレータ | |
CN105934847B (zh) | 电器件 | |
WO2012176669A1 (ja) | 耐熱絶縁層付セパレータ | |
WO2013051416A1 (ja) | 電気デバイス | |
JP6601065B2 (ja) | 二次電池 | |
KR101838377B1 (ko) | 비수 전해액 이차 전지 및 그 제조 방법 | |
JP2014137985A (ja) | 二次電池 | |
KR102390657B1 (ko) | 절연필름을 포함하는 전극 조립체, 이의 제조방법, 및 이를 포함하는 리튬 이차전지 | |
CN109478676B (zh) | 电极组件及其制造方法 | |
CN109565069B (zh) | 电极组件及其制造方法 | |
CN105934840B (zh) | 电器件 | |
WO2018207643A1 (ja) | 双極型二次電池 | |
CN105934845B (zh) | 电器件 | |
JP5999433B2 (ja) | 非水電解液二次電池及びその製造方法 | |
JP6958272B2 (ja) | 非水電解質二次電池 | |
US9865858B2 (en) | Lithium ion secondary battery | |
JP6102442B2 (ja) | リチウムイオン二次電池 | |
JP2023551993A (ja) | 二次電池用分離膜 | |
KR102701736B1 (ko) | 금속 증착층을 구비한 이차전지용 분리막 및 이를 포함하는 이차전지 | |
JP7127638B2 (ja) | 二次電池およびその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20141224 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20151208 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20160208 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20160301 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20160314 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 5910164 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |