JP6816937B2 - 蓄電デバイス - Google Patents
蓄電デバイス Download PDFInfo
- Publication number
- JP6816937B2 JP6816937B2 JP2015091042A JP2015091042A JP6816937B2 JP 6816937 B2 JP6816937 B2 JP 6816937B2 JP 2015091042 A JP2015091042 A JP 2015091042A JP 2015091042 A JP2015091042 A JP 2015091042A JP 6816937 B2 JP6816937 B2 JP 6816937B2
- Authority
- JP
- Japan
- Prior art keywords
- metal foil
- layer
- conductive portion
- main body
- exterior
- 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
- 238000003860 storage Methods 0.000 title claims description 40
- 229910052751 metal Inorganic materials 0.000 claims description 84
- 239000002184 metal Substances 0.000 claims description 84
- 239000011888 foil Substances 0.000 claims description 73
- 229920005989 resin Polymers 0.000 claims description 49
- 239000011347 resin Substances 0.000 claims description 49
- 229920001187 thermosetting polymer Polymers 0.000 claims description 34
- 229920006015 heat resistant resin Polymers 0.000 claims description 28
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 13
- 239000012298 atmosphere Substances 0.000 claims description 8
- 239000010410 layer Substances 0.000 description 119
- 239000007789 gas Substances 0.000 description 41
- 239000000853 adhesive Substances 0.000 description 19
- 230000001070 adhesive effect Effects 0.000 description 19
- 239000012790 adhesive layer Substances 0.000 description 17
- 239000000463 material Substances 0.000 description 17
- 239000011247 coating layer Substances 0.000 description 14
- -1 polybutylene terephthalate Polymers 0.000 description 14
- 238000009825 accumulation Methods 0.000 description 13
- 239000000126 substance Substances 0.000 description 12
- 238000000465 moulding Methods 0.000 description 11
- 239000008151 electrolyte solution Substances 0.000 description 10
- 239000000203 mixture Substances 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 239000004743 Polypropylene Substances 0.000 description 7
- 230000009172 bursting Effects 0.000 description 7
- 229920001155 polypropylene Polymers 0.000 description 7
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 6
- 239000004952 Polyamide Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 229910001416 lithium ion Inorganic materials 0.000 description 6
- 229920002647 polyamide Polymers 0.000 description 6
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 5
- 150000001875 compounds Chemical group 0.000 description 5
- 239000000049 pigment Substances 0.000 description 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 229920006267 polyester film Polymers 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 239000003792 electrolyte Substances 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
- 230000000873 masking effect Effects 0.000 description 3
- 229920006284 nylon film Polymers 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 229920005992 thermoplastic resin Polymers 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 229920001661 Chitosan Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- QXNVGIXVLWOKEQ-UHFFFAOYSA-N Disodium Chemical class [Na][Na] QXNVGIXVLWOKEQ-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- 239000005977 Ethylene Substances 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- 239000004716 Ethylene/acrylic acid copolymer Substances 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000003522 acrylic cement Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000002041 carbon nanotube Substances 0.000 description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 description 2
- BFGKITSFLPAWGI-UHFFFAOYSA-N chromium(3+) Chemical class [Cr+3] BFGKITSFLPAWGI-UHFFFAOYSA-N 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000001023 inorganic pigment Substances 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052755 nonmetal Chemical class 0.000 description 2
- 239000012860 organic pigment Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229920001568 phenolic resin Polymers 0.000 description 2
- 239000005011 phenolic resin Substances 0.000 description 2
- 229920002239 polyacrylonitrile Polymers 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- MFYSUUPKMDJYPF-UHFFFAOYSA-N 2-[(4-methyl-2-nitrophenyl)diazenyl]-3-oxo-n-phenylbutanamide Chemical compound C=1C=CC=CC=1NC(=O)C(C(=O)C)N=NC1=CC=C(C)C=C1[N+]([O-])=O MFYSUUPKMDJYPF-UHFFFAOYSA-N 0.000 description 1
- UBVSIAHUTXHQTD-UHFFFAOYSA-N 2-n-(4-bromophenyl)-1,3,5-triazine-2,4-diamine Chemical compound NC1=NC=NC(NC=2C=CC(Br)=CC=2)=N1 UBVSIAHUTXHQTD-UHFFFAOYSA-N 0.000 description 1
- IYHIFXGFKVJNBB-UHFFFAOYSA-N 5-chloro-2-[(2-hydroxynaphthalen-1-yl)diazenyl]-4-methylbenzenesulfonic acid Chemical compound C1=C(Cl)C(C)=CC(N=NC=2C3=CC=CC=C3C=CC=2O)=C1S(O)(=O)=O IYHIFXGFKVJNBB-UHFFFAOYSA-N 0.000 description 1
- 239000005995 Aluminium silicate Substances 0.000 description 1
- SGHZXLIDFTYFHQ-UHFFFAOYSA-L Brilliant Blue Chemical compound [Na+].[Na+].C=1C=C(C(=C2C=CC(C=C2)=[N+](CC)CC=2C=C(C=CC=2)S([O-])(=O)=O)C=2C(=CC=CC=2)S([O-])(=O)=O)C=CC=1N(CC)CC1=CC=CC(S([O-])(=O)=O)=C1 SGHZXLIDFTYFHQ-UHFFFAOYSA-L 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- DPXJVFZANSGRMM-UHFFFAOYSA-N acetic acid;2,3,4,5,6-pentahydroxyhexanal;sodium Chemical compound [Na].CC(O)=O.OCC(O)C(O)C(O)C(O)C=O DPXJVFZANSGRMM-UHFFFAOYSA-N 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- MYONAGGJKCJOBT-UHFFFAOYSA-N benzimidazol-2-one Chemical compound C1=CC=CC2=NC(=O)N=C21 MYONAGGJKCJOBT-UHFFFAOYSA-N 0.000 description 1
- 239000001055 blue pigment Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000007739 conversion coating 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
- XCJYREBRNVKWGJ-UHFFFAOYSA-N copper(II) phthalocyanine Chemical compound [Cu+2].C12=CC=CC=C2C(N=C2[N-]C(C3=CC=CC=C32)=N2)=NC1=NC([C]1C=CC=CC1=1)=NC=1N=C1[C]3C=CC=CC3=C2[N-]1 XCJYREBRNVKWGJ-UHFFFAOYSA-N 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 125000000664 diazo group Chemical group [N-]=[N+]=[*] 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- PPSZHCXTGRHULJ-UHFFFAOYSA-N dioxazine Chemical compound O1ON=CC=C1 PPSZHCXTGRHULJ-UHFFFAOYSA-N 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 235000012732 erythrosine Nutrition 0.000 description 1
- 229920006242 ethylene acrylic acid copolymer Polymers 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000007756 gravure coating Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- GWVMLCQWXVFZCN-UHFFFAOYSA-N isoindoline Chemical compound C1=CC=C2CNCC2=C1 GWVMLCQWXVFZCN-UHFFFAOYSA-N 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
- 239000007788 liquid Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 229920003145 methacrylic acid copolymer Polymers 0.000 description 1
- 229940117841 methacrylic acid copolymer Drugs 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 150000004780 naphthols Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 125000003367 polycyclic group Chemical group 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- RQGPLDBZHMVWCH-UHFFFAOYSA-N pyrrolo[3,2-b]pyrrole Chemical compound C1=NC2=CC=NC2=C1 RQGPLDBZHMVWCH-UHFFFAOYSA-N 0.000 description 1
- IZMJMCDDWKSTTK-UHFFFAOYSA-N quinoline yellow Chemical compound C1=CC=CC2=NC(C3C(C4=CC=CC=C4C3=O)=O)=CC=C21 IZMJMCDDWKSTTK-UHFFFAOYSA-N 0.000 description 1
- 239000001054 red pigment Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 235000000346 sugar Nutrition 0.000 description 1
- 150000008163 sugars Chemical class 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 239000001052 yellow pigment Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 150000003755 zirconium compounds Chemical class 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
-
- 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
- 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
-
- 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
- H01M50/116—Primary casings; Jackets or wrappings characterised by the 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/117—Inorganic material
- H01M50/119—Metals
-
- 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
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/121—Organic 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
-
- 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
- H01M50/543—Terminals
-
- 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
- H01M50/572—Means for preventing undesired use or discharge
-
- 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
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/578—Devices or arrangements for the interruption of current in response to pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/20—Pressure-sensitive devices
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Description
前記外装体は、金属箔層と、この金属箔層の一方の面に積層された熱融着性樹脂層と、を有し、前記金属箔層の前記一方の面の一部に、前記熱融着性樹脂層で被覆されていない導電部が設けられ、
互いの熱融着性樹脂層同士が向き合うように配置された前記2枚の外装体の間の空間に前記デバイス本体部が収容され、前記2枚の外装体の周縁部の熱融着性樹脂層同士が接合されて封止され、
前記デバイス本体部の正極が、前記一方の外装体の導電部に電気的に接続され、前記デバイス本体部の負極が、前記他方の外装体の導電部に電気的に接続され、前記正極及び負極のうちの少なくとも一方の電極は、前記導電部に対し接触状態にあることにより前記電気的な接続が行われていることを特徴とする蓄電デバイス。
前記第一、二耐熱性樹脂層(外側層)8、18を構成する耐熱性樹脂としては、外装体をヒートシールする際のヒートシール温度で溶融しない耐熱性樹脂を用いる。前記耐熱性樹脂としては、熱融着性樹脂層を構成する熱融着性樹脂の融点より10℃以上高い融点を有する耐熱性樹脂を用いるのが好ましく、熱融着性樹脂の融点より20℃以上高い融点を有する耐熱性樹脂を用いるのが特に好ましい。
内側層である第一、二熱融着性樹脂層4、14は、リチウムイオン二次電池等で用いられる腐食性の強い電解液などに対しても優れた耐薬品性を具備させるとともに、包材にヒートシール性を付与する役割を担うものである。
前記第一、二金属箔層2、12は、外装体50に酸素や水分の侵入を阻止するガスバリア性を付与する役割を担うものである。前記第一、二金属箔層2、12は、金属箔露出部を導電部として利用する場合には、導電性の良い金属箔を使用する。例えば、アルミニウム箔、銅箔、ニッケル箔、ステンレス箔、あるいはこれのクラッド箔、これらの焼鈍箔または未焼鈍箔等が挙げられる。また、ニッケル、錫、銅、クロム等の導電性金属でめっきした金属箔、たとえばめっきしたアルミニウム箔を用いることも好ましい。前記導電性めっき皮膜は金属箔層の少なくとも金属箔露出部に対応する部分に形成されていれば良い。また、前記金属箔層は、下地処理として下記の化成処理を施して化成皮膜を形成することも好ましい。
ラミネート外装体50の外側層および内側層は、樹脂からなる層であり、これらの樹脂層には極微量ではあるが、ケースの外部からは光、酸素、液体が入り込むおそれがあり、内部からは内容物(電池の電解液、食品、医薬品等)がしみ込むおそれがある。これらの侵入物が金属箔層に到達すると金属箔層の腐食原因となる。そこで、金属箔層2、12の表面に耐食性の高い化成皮膜を形成するのが好ましく、これにより金属箔層2、12の耐食性向上を図ることができる。
1)リン酸と、
クロム酸と、
フッ化物の金属塩及びフッ化物の非金属塩からなる群より選ばれる少なくとも1種の化合物と、を含む混合物の水溶液
2)リン酸と、
アクリル系樹脂、キトサン誘導体樹脂及びフェノール系樹脂からなる群より選ばれる少なくとも1種の樹脂と、
クロム酸及びクロム(III)塩からなる群より選ばれる少なくとも1種の化合物と、を含む混合物の水溶液
3)リン酸と、
アクリル系樹脂、キトサン誘導体樹脂及びフェノール系樹脂からなる群より選ばれる少なくとも1種の樹脂と、
クロム酸及びクロム(III)塩からなる群より選ばれる少なくとも1種の化合物と、
フッ化物の金属塩及びフッ化物の非金属塩からなる群より選ばれる少なくとも1種の化合物と、を含む混合物の水溶液
上記1)〜3)のうちのいずれかの水溶液を塗工した後、乾燥することにより、化成処理を施す。
前記第1接着剤層は、金属箔層2、12と、外側層である耐熱性樹脂層8、18との接合を担う層であり、例えば、主剤としてのポリエステル樹脂と硬化剤としての多官能イソシアネート化合物とによる二液硬化型ポリエステル−ウレタン系樹脂、あるいはポリエーテル−ウレタン系樹脂を含む接着剤を用いることが好ましい。
前記第2接着剤層は、金属箔層2、12と、内側層である熱融着性樹脂層4、14との接合を担う層であり、例えば、ポリウレタン系接着剤、アクリル系接着剤、エポキシ系接着剤、ポリオレフィン系接着剤、エラストマー系接着剤、フッ素系接着剤等により形成された接着剤層が挙げられる。中でも、アクリル系接着剤、ポリオレフィン系接着剤を用いるのが好ましく、この場合には、外装体50の耐電解液性および水蒸気バリア性を向上させることができる。また、外装体50を電池ケースとして使用する場合は、酸変性ポリプロピレン、酸変性ポリエチレン等の接着剤を使用するのが好ましい。
厚さ40μmのアルミニウム箔の両面に、ポリアクリル酸、リン酸、クロムとフッ素の化合物を含む化成処理液を塗布し、150℃で乾燥を行って、クロム付着量が3mg/m2となるようにした。
実施例1で作成した外装体と同じ外装体を2枚準備し、この2枚の外装体を使用して、前項で説明した方法、構成を採用して図4、5に示す構成の電池を作成した。電解液としては、実施例1と同一の電解液を使用した。なお、凹陥部71の底面と側面がなす角度αは、150°に設定すると共に、凹陥部71の深さは1mmに設定した。また、前記2枚の外装体の周縁部の熱融着性樹脂層同士のヒートシール接合は、大気圧より低い1KPaの気圧雰囲気下で行った。
過度の昇温を行って電解液の分解(分解ガスの発生)を促進することによって、各電池の内圧を徐々に上昇せしめていき、その時の電池の挙動を調べた。
・リチウム2次電池(リチウムイオン電池、リチウムポリマー電池等)等の電気化学デバイス
・リチウムイオンキャパシタ
・電気2重層コンデンサ
等が挙げられる。
2…第一金属箔層
4…第一熱融着性樹脂層
8…第一耐熱性樹脂層
9…正極端子部(金属箔露出部)
12…第二金属箔層
14…第二熱融着性樹脂層
18…第二耐熱性樹脂層
19…負極端子部(金属箔露出部)
50…外装体
54…負極導電部(金属箔露出部)
56…正極導電部(金属箔露出部)
60…デバイス本体部
61…正極
62…負極
71…凹陥部
75…塗布層
81…反転した凸部
Claims (3)
- デバイス本体部と、該デバイス本体部を収容する外装体2枚と、を備え、
前記外装体は、金属箔層と、この金属箔層の一方の面に積層された熱融着性樹脂層と、前記金属箔層の他方の面に積層された耐熱性樹脂層と、を有し、前記金属箔層の前記一方の面の一部に、前記熱融着性樹脂層で被覆されていない導電部が設けられ、
互いの熱融着性樹脂層同士が向き合うように配置された前記2枚の外装体の間の空間に前記デバイス本体部が収容され、前記2枚の外装体の周縁部の熱融着性樹脂層同士が接合されて封止され、
前記デバイス本体部の正極が、前記一方の外装体の導電部に電気的に接続され、前記デバイス本体部の負極が、前記他方の外装体の導電部に電気的に接続され、前記デバイス本体部が収容されている空間内の内圧が、大気圧より小さいことにより、前記正極及び負極のうちの少なくとも一方の電極は、前記導電部に対し面接触状態にあることにより前記電気的な接続が行われており、
前記2枚の外装体のうち一方は、凹部と該凹部の開口縁から外方に伸びるフランジを有する本体であり、前記2枚の外装体のうち他方は、蓋体であり、
前記本体のフランジと蓋体の周縁部との接合封止部に、前記2枚の金属箔層のうち一方の金属箔層の他方の面の端部を露出させた露出部によって形成された正極端子部および前記2枚の金属箔層のうち他方の金属箔層の他方の面の端部を露出させた露出部によって形成された負極端子部が設けられていることを特徴とする蓄電デバイス。 - 前記外装体は、前記接触状態にあることにより電気的な接続がなされている導電部を含む領域において前記デバイス本体部側に凹む凹陥部が形成されている請求項1に記載の蓄電デバイス。
- 大気圧より小さい気圧雰囲気下において前記周縁部の熱融着性樹脂層同士の接合が行われたものである請求項1または2に記載の蓄電デバイス。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015091042A JP6816937B2 (ja) | 2015-04-28 | 2015-04-28 | 蓄電デバイス |
KR1020160044211A KR102537627B1 (ko) | 2015-04-28 | 2016-04-11 | 축전 디바이스 |
TW105111253A TWI708416B (zh) | 2015-04-28 | 2016-04-11 | 蓄電裝置 |
CN201620368803.7U CN205790079U (zh) | 2015-04-28 | 2016-04-27 | 蓄电装置 |
CN201610270839.6A CN106098969A (zh) | 2015-04-28 | 2016-04-27 | 蓄电装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015091042A JP6816937B2 (ja) | 2015-04-28 | 2015-04-28 | 蓄電デバイス |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016207592A JP2016207592A (ja) | 2016-12-08 |
JP6816937B2 true JP6816937B2 (ja) | 2021-01-20 |
Family
ID=57411311
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015091042A Active JP6816937B2 (ja) | 2015-04-28 | 2015-04-28 | 蓄電デバイス |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP6816937B2 (ja) |
KR (1) | KR102537627B1 (ja) |
CN (2) | CN106098969A (ja) |
TW (1) | TWI708416B (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6816937B2 (ja) * | 2015-04-28 | 2021-01-20 | 昭和電工パッケージング株式会社 | 蓄電デバイス |
JP6861016B2 (ja) * | 2015-11-19 | 2021-04-21 | 三洋化成工業株式会社 | リチウムイオン電池 |
CN106784418B (zh) * | 2016-12-16 | 2020-01-10 | 苏州福斯特光伏材料有限公司 | 一种防腐蚀处理层及其在锂电池软包装材料中的应用 |
WO2019031438A1 (ja) * | 2017-08-10 | 2019-02-14 | 倉敷紡績株式会社 | 電極シート製造方法、全固体電池および全固体電池製造方法 |
WO2021157731A1 (ja) * | 2020-02-07 | 2021-08-12 | 大日本印刷株式会社 | 蓄電デバイス、及び、蓄電デバイスの製造方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2519576B2 (ja) * | 1990-06-04 | 1996-07-31 | 日本電池株式会社 | 予備電池付蓄電池 |
JP2856365B2 (ja) * | 1991-03-15 | 1999-02-10 | 株式会社村田製作所 | 偏平型電源素子 |
US5358539A (en) * | 1992-10-29 | 1994-10-25 | Valence Technology, Inc. | Method for making a battery assembly |
JP4270599B2 (ja) * | 1998-04-02 | 2009-06-03 | 大日本印刷株式会社 | 薄型電池 |
JP4132588B2 (ja) * | 2000-06-16 | 2008-08-13 | Tdk株式会社 | 電気化学デバイス |
JP2003123832A (ja) * | 2001-10-11 | 2003-04-25 | Nec Tokin Corp | ラミネートフィルム外装蓄電デバイスおよびその製造方法 |
JP2003208885A (ja) * | 2002-01-11 | 2003-07-25 | Mitsubishi Cable Ind Ltd | シート状電池 |
JP2005044523A (ja) * | 2003-07-22 | 2005-02-17 | Toyota Motor Corp | 二次電池の電流遮断構造およびその構造を備えた二次電池 |
JP3882818B2 (ja) * | 2004-01-15 | 2007-02-21 | ソニー株式会社 | 電池パック |
JP2007157678A (ja) | 2005-05-23 | 2007-06-21 | Matsushita Electric Ind Co Ltd | ラミネート電池の安全機構 |
JP4766057B2 (ja) * | 2008-01-23 | 2011-09-07 | ソニー株式会社 | 非水電解質電池および非水電解質電池の製造方法 |
US20120052341A1 (en) * | 2010-09-01 | 2012-03-01 | Duk-Jung Kim | Rechargeable battery |
WO2012141191A1 (ja) * | 2011-04-12 | 2012-10-18 | Jsr株式会社 | 蓄電デバイス |
JP5840923B2 (ja) * | 2011-11-07 | 2016-01-06 | 昭和電工パッケージング株式会社 | 電池用外装体、電池用外装体の製造方法およびリチウム二次電池 |
JP6426895B2 (ja) * | 2013-05-31 | 2018-11-21 | 昭和電工パッケージング株式会社 | 電池用外装材及び電池 |
JP6816937B2 (ja) * | 2015-04-28 | 2021-01-20 | 昭和電工パッケージング株式会社 | 蓄電デバイス |
-
2015
- 2015-04-28 JP JP2015091042A patent/JP6816937B2/ja active Active
-
2016
- 2016-04-11 TW TW105111253A patent/TWI708416B/zh active
- 2016-04-11 KR KR1020160044211A patent/KR102537627B1/ko active IP Right Grant
- 2016-04-27 CN CN201610270839.6A patent/CN106098969A/zh active Pending
- 2016-04-27 CN CN201620368803.7U patent/CN205790079U/zh active Active
Also Published As
Publication number | Publication date |
---|---|
TWI708416B (zh) | 2020-10-21 |
KR20160128214A (ko) | 2016-11-07 |
TW201639226A (zh) | 2016-11-01 |
CN205790079U (zh) | 2016-12-07 |
CN106098969A (zh) | 2016-11-09 |
JP2016207592A (ja) | 2016-12-08 |
KR102537627B1 (ko) | 2023-05-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6629514B2 (ja) | ラミネート外装材の製造方法 | |
JP6829742B2 (ja) | ラミネート外装材およびラミネート外装材用積層体 | |
TWI728961B (zh) | 蓄電裝置用外裝體 | |
CN105374959B (zh) | 薄型蓄电装置及其制造方法 | |
JP6816937B2 (ja) | 蓄電デバイス | |
KR102378033B1 (ko) | 전기화학 디바이스 및 그 제조 방법 | |
JP5456952B2 (ja) | 安全弁を備えた電池 | |
KR101229228B1 (ko) | 수분 차단성이 향상된 이차전지 | |
JP2008021634A (ja) | シーリング部の安全性が向上した二次電池 | |
TW201703310A (zh) | 蓄電裝置用外裝體及蓄電裝置 | |
JP2016091801A (ja) | 蓄電デバイス | |
JP6738171B2 (ja) | 蓄電デバイス用外装材及び蓄電デバイス | |
WO2018096743A1 (ja) | 蓄電デバイスモジュール及びその製造方法 | |
JP6738189B2 (ja) | 蓄電デバイス用外装材及び蓄電デバイス | |
JP2019140059A (ja) | 蓄電デバイス用外装材および蓄電デバイス | |
JP6979847B2 (ja) | 蓄電デバイス用外装材及び蓄電デバイス | |
JP6331315B2 (ja) | 電池用外装体の製造方法及び電池の製造方法 | |
JP2015103291A (ja) | ラミネート型電池 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20180207 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20190221 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20190226 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190411 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20190514 |
|
C60 | Trial request (containing other claim documents, opposition documents) |
Free format text: JAPANESE INTERMEDIATE CODE: C60 Effective date: 20190809 |
|
C116 | Written invitation by the chief administrative judge to file amendments |
Free format text: JAPANESE INTERMEDIATE CODE: C116 Effective date: 20190820 |
|
C22 | Notice of designation (change) of administrative judge |
Free format text: JAPANESE INTERMEDIATE CODE: C22 Effective date: 20190820 |
|
C22 | Notice of designation (change) of administrative judge |
Free format text: JAPANESE INTERMEDIATE CODE: C22 Effective date: 20200609 |
|
C22 | Notice of designation (change) of administrative judge |
Free format text: JAPANESE INTERMEDIATE CODE: C22 Effective date: 20200616 |
|
C22 | Notice of designation (change) of administrative judge |
Free format text: JAPANESE INTERMEDIATE CODE: C22 Effective date: 20201006 |
|
C23 | Notice of termination of proceedings |
Free format text: JAPANESE INTERMEDIATE CODE: C23 Effective date: 20201104 |
|
C03 | Trial/appeal decision taken |
Free format text: JAPANESE INTERMEDIATE CODE: C03 Effective date: 20201208 |
|
C30A | Notification sent |
Free format text: JAPANESE INTERMEDIATE CODE: C3012 Effective date: 20201208 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20201224 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6816937 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: R3D02 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
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 |