CN106058363A - Battery pack - Google Patents
Battery pack Download PDFInfo
- Publication number
- CN106058363A CN106058363A CN201610232746.4A CN201610232746A CN106058363A CN 106058363 A CN106058363 A CN 106058363A CN 201610232746 A CN201610232746 A CN 201610232746A CN 106058363 A CN106058363 A CN 106058363A
- Authority
- CN
- China
- Prior art keywords
- metal forming
- exposed portion
- laminated
- heat
- cell device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 229910052751 metal Inorganic materials 0.000 claims abstract description 220
- 239000002184 metal Substances 0.000 claims abstract description 220
- 238000003860 storage Methods 0.000 claims abstract description 89
- 238000007789 sealing Methods 0.000 claims abstract description 54
- 239000010410 layer Substances 0.000 claims description 90
- 229920005992 thermoplastic resin Polymers 0.000 claims description 50
- 229920006015 heat resistant resin Polymers 0.000 claims description 31
- 239000003792 electrolyte Substances 0.000 claims description 21
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 10
- 229910052737 gold Inorganic materials 0.000 claims description 10
- 239000010931 gold Substances 0.000 claims description 10
- 238000003466 welding Methods 0.000 claims description 4
- 239000000112 cooling gas Substances 0.000 claims description 2
- 239000002344 surface layer Substances 0.000 claims description 2
- 239000011888 foil Substances 0.000 abstract description 7
- 238000004806 packaging method and process Methods 0.000 abstract 3
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 196
- 210000004027 cell Anatomy 0.000 description 174
- 239000000853 adhesive Substances 0.000 description 31
- 230000001070 adhesive effect Effects 0.000 description 31
- 239000010408 film Substances 0.000 description 19
- 239000000203 mixture Substances 0.000 description 19
- 239000000463 material Substances 0.000 description 17
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- 230000005611 electricity Effects 0.000 description 15
- 239000007767 bonding agent Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 14
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 13
- 239000005030 aluminium foil Substances 0.000 description 13
- 238000001816 cooling Methods 0.000 description 12
- 239000007773 negative electrode material Substances 0.000 description 12
- 239000000126 substance Substances 0.000 description 12
- 230000000712 assembly Effects 0.000 description 11
- 238000000429 assembly Methods 0.000 description 11
- 239000011230 binding agent Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- -1 polyethylene Polymers 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 10
- 239000011248 coating agent Substances 0.000 description 10
- 238000000576 coating method Methods 0.000 description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 9
- 229910052744 lithium Inorganic materials 0.000 description 9
- 239000002033 PVDF binder Substances 0.000 description 8
- 239000004743 Polypropylene Substances 0.000 description 8
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 8
- 229920001155 polypropylene Polymers 0.000 description 7
- 239000007774 positive electrode material Substances 0.000 description 7
- 230000005070 ripening Effects 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 239000004020 conductor Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000010409 thin film Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 239000002174 Styrene-butadiene Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 239000006229 carbon black Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 229910052759 nickel Inorganic materials 0.000 description 5
- 229920003048 styrene butadiene rubber Polymers 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 4
- 239000002671 adjuvant Substances 0.000 description 4
- 230000032683 aging Effects 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 238000009413 insulation Methods 0.000 description 4
- 229920002239 polyacrylonitrile Polymers 0.000 description 4
- 229920002635 polyurethane Polymers 0.000 description 4
- 239000004814 polyurethane Substances 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
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-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
- 239000004698 Polyethylene Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 3
- 230000004087 circulation Effects 0.000 description 3
- 239000011889 copper foil Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 3
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 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
- 239000007789 gas Substances 0.000 description 3
- 150000004676 glycans Chemical class 0.000 description 3
- 238000003475 lamination Methods 0.000 description 3
- 150000002632 lipids Chemical class 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 229910003002 lithium salt Inorganic materials 0.000 description 3
- 159000000002 lithium salts Chemical class 0.000 description 3
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 229920001282 polysaccharide Polymers 0.000 description 3
- 239000005017 polysaccharide Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- QGHDLJAZIIFENW-UHFFFAOYSA-N 4-[1,1,1,3,3,3-hexafluoro-2-(4-hydroxy-3-prop-2-enylphenyl)propan-2-yl]-2-prop-2-enylphenol Chemical group C1=C(CC=C)C(O)=CC=C1C(C(F)(F)F)(C(F)(F)F)C1=CC=C(O)C(CC=C)=C1 QGHDLJAZIIFENW-UHFFFAOYSA-N 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- 229920001661 Chitosan Polymers 0.000 description 2
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 239000006230 acetylene black Substances 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 239000012298 atmosphere Substances 0.000 description 2
- 229920006233 biaxially oriented polyamide Polymers 0.000 description 2
- 229920006184 cellulose methylcellulose Polymers 0.000 description 2
- BFGKITSFLPAWGI-UHFFFAOYSA-N chromium(3+) Chemical class [Cr+3] BFGKITSFLPAWGI-UHFFFAOYSA-N 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 239000000088 plastic resin Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229920002799 BoPET Polymers 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229920000089 Cyclic olefin copolymer Polymers 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 229910052493 LiFePO4 Inorganic materials 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 241000278713 Theora Species 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 210000003850 cellular structure Anatomy 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
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- 150000002148 esters Chemical class 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical compound FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 239000005001 laminate film Substances 0.000 description 1
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- KYTZHLUVELPASH-UHFFFAOYSA-N naphthalene-1,2-dicarboxylic acid Chemical compound C1=CC=CC2=C(C(O)=O)C(C(=O)O)=CC=C21 KYTZHLUVELPASH-UHFFFAOYSA-N 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
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- 238000010422 painting Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920006289 polycarbonate film Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 235000019615 sensations Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- QEMXHQIAXOOASZ-UHFFFAOYSA-N tetramethylammonium Chemical compound C[N+](C)(C)C QEMXHQIAXOOASZ-UHFFFAOYSA-N 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0436—Small-sized flat cells or batteries for portable equipment
-
- 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
The invention provides a battery pack. The battery pack comprises an external packaging body (32) of a laminated-type power storage module (2). At least one of a first external packaging part (10) and a second external packaging part (20), which are opposite to each other, is provided with a knurling part (45). The battery pack is provided with a plurality of electrode element rooms (42) which are formed by the convex parts formed through the thermal sealing of the periphery of the knurling part (45). The battery pack (5) is laminated with a plurality of modules (2), and enables the modules to be connected together. The thickness difference between the electrode element rooms (42) and thermal sealing parts (52a, 52b) forms a space (70) for heat dissipation. Moreover, a battery element (60) in the battery element (42) is connected with the exposed parts (14, 24) at an inner side of metal foil.
Description
Technical field
The present invention relates to be able to lightweight, high heat radiationization, the set of cells of space saving.
It addition, in this manual, " aluminum " this word uses and includes Al and Al alloy
Implication, " copper " this word uses the implication including Cu and Cu alloy, " nickel " this
Individual word uses the implication including Ni and Ni alloy, and " titanium " this word uses
Implication including Ti and Ti alloy.Additionally, in this manual, " metal " this word makes
Be the implication comprising metal simple-substance and alloy.
Background technology
Along with mixed electrical automobile, the battery of electric automobile, household or industrial fixation electric power storage
Lithium rechargeable battery that pond is used, the miniaturization of lighium polymer secondary battery, lightweight,
The metal system that there is replacement use in the past is exterior, and uses on two faces of metal forming viscous more
Lamination (Laminate) exterior component of resin thin film.Additionally, people are considering to use
The lamination electric double layer capacitance of exterior component, lithium-ion capacitance etc. is had to be equipped on automobile, bus.
Electric automobiles etc. need in high-octane equipment, in order to obtain big electric energy with little volume,
With by stacking storage assembly and make them be connected in series to tackle, but, in discharge and recharge
Time, the heat that easily savings produces because of the internal resistance of assembly, form high temperature in making assembly,
Thus, not only can accelerate deterioration of battery, make battery performance decline, and influence whether electricity
The safety in pond.Therefore, there has been proposed the set of cells at the multiple storage assembly of laminated configuration
In, be provided with between storage assembly thermal component to cool down assembly motion (with reference to patent documentation 1,
2)。
In set of cells described in patent documentation 1, between storage assembly, it is provided with wave-like
Component is as thermal component, and forms the free air space of cold wind, to obtain radiating effect.This
Outward, in the set of cells described in patent documentation 2, between storage assembly, configuration is for coolant
The duct member of circulation, and, between this duct member and storage assembly, it is provided with leaf spring, and shape
Become the space of air cooling, thus utilize that liquid is cold and both air coolings obtain high cooling effect.
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 2012-84551 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2014-170697 publication
Summary of the invention
But, the cooling means described in patent documentation 1,2 needs wave-like component, pipe
The most bulky thermal component of parts, leaf spring, in addition it is also necessary to the supply dress of cold wind or coolant
Putting, in set of cells, these chillers take the biggest space.Thus, even if seeking to store
The miniaturization of electricity assembly, it is also difficult to make set of cells miniaturization.And, storage assembly uses pole
Ear connects electrode, it is also possible to cause from the caloric value of link position generation of lug, sealing
Degradation under the sealing in portion.
The present invention works it out in view of above-mentioned technical background, it is therefore intended that provide one not
Can maximize, improve heat dispersion and the set of cells of leakage risk is greatly reduced.
In order to reach above-mentioned purpose, the present invention has following composition.
(1) a kind of set of cells, it is characterised in that
Laminated-type storage assembly possesses:
First exterior component, it is stacking the first heat-resistant resin on a face of the first metal forming
Layer, on the other surface stacking the first thermoplastic resin, at described first thermoplastic resin
On the face of layer side, there is exposed portion inside the first metal forming for the first metal forming exposure；The
Two exterior components, its on a face of the second metal forming stacking the second heat-resistant resin layer,
Another surface layer folds the second thermoplastic resin, in the face of described second thermoplastic resin side
On have for second metal forming expose the second metal forming inside exposed portion；Cell device, its
There is positive pole, negative pole and the shim being configured between them,
At least one in described first exterior component and the second exterior component is comprising the first metal forming
Inside inner side exposed portion and the second metal forming, the region of exposed portion has embossed portion, by making
State the first thermoplastic resin of the first exterior component and the second thermoplastic resin of the second exterior component
Layer in opposite directions, is formed by the first thermoplastic resin and the second thermoplastic resin phase welding
Heat-sealing portion surround, be consequently formed the exterior body with multiple cell device rooms, described battery
Element chamber is formed as protuberance by described embossed portion, exposed portion and second inside the first metal forming
Inside metal forming, exposed portion is facing in indoor, and the outer surface at described exterior body is formed for the
Second that outside the first metal forming that one metal forming exposes, exposed portion and confession the second metal forming expose
Exposed portion outside metal forming,
Be sealing into, together with electrolyte, the cell device that described cell device is indoor, positive pole with
Exposed portion conducting inside first metal forming, exposed portion conducting inside negative pole and the second metal forming,
Multiple described laminated-type storage assembly layers in the way of being formed with space on heat-sealing portion
Folded, the most adjacent laminated-type storage assembly is by exposed portion outside the first metal forming
Link up with exposed portion outside the second metal forming.
(2) on the basis of the set of cells of preceding paragraph (1), with at laminated-type storage assembly
Cell device room and the heat-sealing portion equitant mode multiple laminated-type of stacking is made to store on stacked direction
Electricity assembly.
(3) on the basis of the set of cells of preceding paragraph (1) or (2), phase in the stacking direction
It is configured with heat carrier between adjacent laminated-type storage assembly.
(4) on the basis of the set of cells of preceding paragraph (1) or (2), space is cooling gas
Circulation flow path.
(5) on the basis of the set of cells of preceding paragraph (1), described space and cell device room
The most adjacent on the direction orthogonal with the stacked direction of described laminated-type storage assembly.
(6) on the basis of the set of cells of preceding paragraph (2), described laminated-type storage assembly
On stacked direction and the two direction, direction orthogonal with stacked direction, described space and battery
Element chamber is adjacent.
The effect of invention
In set of cells described in above-mentioned (1), the cell device room shape of laminated-type storage assembly
Become the protuberance protruding outside to exterior body, thus, by the stacking of multiple assemblies,
Space is formed on heat-sealing portion.The heat spreader produced by cell device to described space, and
And flowed in described space by gas, promote heat radiation, cool down set of cells.Described space
Do not use thermal component just to be formed, therefore, do not make set of cells become and just cooled down greatly
Effect.Additionally, by having multiple cell device room, increase the surface area of exterior body,
Thus the radiating efficiency of each assembly is good.
Additionally, in each laminated-type storage assembly, multiple cell devices pass through cell device room
In the first metal forming inside inside exposed portion and second exposed portion by the first metal forming and the
Two metal formings and turn on, laminated-type storage assembly utilizes outside the first metal forming sudden and violent each other
Outside dew portion and the second metal forming, exposed portion links up.And, set of cells and external equipment
Between connection be also by exposed portion outside exposed portion outside the first metal forming and the second metal forming
Carry out.That is, laminated-type storage assembly and set of cells does not have lug.Thus, heat-sealing
The part being connected with cell device room in portion is all because of the first thermoplastic resin and the second thermoplasticity
Resin bed welding and adaptation improve, the risk of leakage is greatly lowered.It is additionally, since not
Use lug, thus, heat-sealing operation is simple, it is also possible to seek lightweight and the province of set of cells
Spatialization.
In set of cells described in above-mentioned (2), electrode member room assembly stacked direction and
On the two direction, direction orthogonal with stacked direction, adjacent with space, cell device room energy
Contact with space with bigger area, available high cooling effect.
In set of cells described in above-mentioned (3), due to heat carrier heat extraction, thus height can be obtained
Cooling effect.
In set of cells described in above-mentioned (4), gas flows in space, thus can promote
Heat radiation.
In set of cells described in above-mentioned (5), cell device room the heat produced to
Space adjacent thereto on the direction that the stacked direction of described laminated-type storage assembly is orthogonal dissipates
Heat.
In set of cells described in above-mentioned (6), the stacked direction of laminated-type storage assembly and with
On the two direction, direction that stacked direction is orthogonal, described space and cell device room are adjacent,
Thus, heat radiation can be promoted.
Accompanying drawing explanation
Figure 1A is an embodiment of the laminated-type storage assembly of the set of cells constituting the present invention
Axonometric chart.
Figure 1B is 1B-1B line sectional view in Figure 1A.
Fig. 2 A is the axonometric chart of an embodiment of the set of cells of the present invention.
Fig. 2 B is 2B-2B line sectional view in Fig. 2 A.
Fig. 3 is the sectional view of cell (bare cell).
Fig. 4 is the sectional view of other shape example of electrode member room in laminated-type storage assembly.
Fig. 5 is the sectional view of another shape example of electrode member room in laminated-type storage assembly.
Fig. 6 is the sectional view of other embodiment of the set of cells of the present invention.
Fig. 7 A is the sectional view of another other embodiment of the set of cells of the present invention.
Fig. 7 B is the partial enlarged drawing of Fig. 7 A.
Fig. 7 C is the partial enlarged drawing of Fig. 7 A.
The explanation of reference
2,2a, 2b, 2c, 2d ... laminated-type storage assembly
5,6,7 ... set of cells
10 ... the first exterior component
11 ... the first metal forming
12 ... the first heat-resistant resin layer
13 ... the first thermoplastic resin
14 ... exposed portion inside the first metal forming
15 ... the first flange
16,18 ... exposed portion outside the first metal forming
20 ... the second exterior component
21 ... the second metal forming
22 ... the second heat-resistant resin layer
23 ... the second thermoplastic resin
24 ... exposed portion inside the second metal forming
25 ... the second flange
26,28 ... exposed portion outside the second metal forming
32,33,80,82 ... exterior body
42,82,83a, 83b cell device room
45,46 ... embossed portion
52a, 52b ... heat-sealing portion
60 ... cell (cell device)
61 ... positive pole
62 ... shim
63 ... negative pole
70,71 ... space
75 ... heat carrier.
Detailed description of the invention
Figure 1A and Figure 1B represents the laminated-type storage assembly of the set of cells constituting the present invention
One embodiment, Fig. 2 A and Fig. 2 B represent the electricity employing described laminated-type storage assembly
The embodiment of pond group.
In the following description, same reference represents same object, omits repeat specification.
Additionally, constitute in the first exterior component and second exterior component of exterior body, regardless of exterior component and shape
How become position, when referring to the part for metal forming exposure, be referred to as " metal forming exposure
Portion ", the part towards the exposure of electrode member indoor is referred to as " exposed portion inside metal forming ",
The part exposed to the outer surface of exterior body is referred to as " exposed portion outside metal forming ".
Laminated-type storage assembly
The exterior body 32 of the laminated-type storage assembly 2 shown in Figure 1A and Figure 1B is exterior by first
Part 10 and the second exterior component 20 are constituted, and have 9 cell device rooms of 3 row × 3 row configurations
42.Cell device 60 and electrolyte is enclosed in described each cell device room 42.
Described first exterior component 10 is that stacking first is resistance on a face of the first metal forming 11
The lamination of thermal resin layer 12, on the other surface stacking the first thermoplastic resin 13
Part, is formed with composition cell device room by compressing to plain film (press forming)
Foursquare 9 embossed portion 45 of vertical view of 42.On the other hand, the second exterior component 20 be
Stacking the second heat-resistant resin layer 22 on one face of the second metal forming 21, on the other surface
The laminate of stacking the second thermoplastic resin 23, is the plain film not having embossed portion.Institute
State exterior body 32 by making outside the first thermoplastic resin 13 and second of the first exterior component 10
Second thermoplastic resin 23 of piece installing 20 in opposite directions, and makes the first heat of embossed portion 45 surrounding
Plastic resin layers 13 and the second thermoplastic resin 23 welding and form heat-sealing portion 52a, 52b,
Thus form the cell device room 42 for enclosing cell device 60 and electrolyte.Described battery
Element chamber 42 is formed as from heat-sealing portion 52a, 52b with the height equal with the height of embossed portion 45
Spending the protuberance protruding outside to exterior body, the thickness of assembly is thick at cell device room 42,
At heat-sealing portion 52a, 52b thin.Additionally, in described cell device room 42, remove the
The first metal that the local of one thermoplastic resin 13 and being formed exposes for the first metal forming 11
Exposed portion 14 inside paper tinsel, remove the local of the second thermoplastic resin 23 and are formed for the second gold medal
Belong to exposed portion 24 inside the second metal forming that paper tinsel 21 exposes.
One limit of described first exterior component 10 is formed as the first flange 15, this first flange
15 stretch out from heat-sealing portion 52a, and two faces constitute the outer surface of exterior body 32, are formed
For exposed portion 16 outside the first metal forming that the first metal forming 11 exposes.On the other hand, with institute
Stating and form the second flange 25 on the limit that the first flange 15 is opposite, the second flange 25 is second
Exterior component 20 stretches out from heat-sealing portion 52a, and two faces constitute the outer surface of exterior body 32,
It is formed for exposed portion 26 outside the second metal forming that the second metal forming 21 exposes.Additionally, institute
State exposed portion 16 and the second gold medal of the second flange 25 outside the first metal forming of the first flange 15
Belong to and be equipped with 3 connection holes 17,27 respectively in metal forming exposed portion 26 outside paper tinsel.
As it is shown on figure 3, the battery being sealing into together with electrolyte in described cell device room 42
Element 60 is backrush type cell, stacking positive pole 61, shim 62, negative pole 63, point
Partition 62, and this sandwich is formed as web-like.In described cell device 60, positive pole 61
Exposing and as the superiors, negative pole 63 exposes and as orlop.In cell device room 42,
Exposed portion 14 inside the positive pole 61 of cell device 60 and the first metal forming of the first exterior component 10
Contact and conduct, exposed portion inside the second metal forming of negative pole 63 and the second exterior component 20
24 contact and conduct.Described first metal forming 11 exterior body 32 outer surface first
Exposing at exposed portion 16 outside metal forming, the second metal forming 21 is at the outer surface of exterior body 32
The second metal forming outside expose at exposed portion 26, therefore, cell device 60 can pass through the
One metal forming 10 and the second metal forming 20 and realize conducting with outside.That is, the first metal
Paper tinsel 11 is used as side of the positive electrode conducting portion, and the second metal forming 21 of the second exterior component 20 is used as negative pole
Side conducting portion.
Set of cells
In set of cells 5 shown in Fig. 2 A and Fig. 2 B, by 4 laminated-type storage assemblies 2 with
Following manner is by its stacking and links, it may be assumed that make the first of the most adjacent assembly
Flange 15 and the second flange 25 the most alternately change direction, and make the electricity of adjacent assembly
Pond element chamber 42 overlaps.That is, in 4 laminated-type storage assemblies 2, the 1st layer of the superiors
Assembly the second flange 25 the second metal forming outside exposed portion 26 and the assembly of the 2nd layer
The first flange 15 the first metal forming outside expose 16 by connection with in hole 27,17
Insert the connection pin 35 being made up of conductive material and link up, similarly, the 2nd layer
Assembly the second metal forming outside exposed portion 26 and the 3rd layer assembly the first metal forming outside
Link up between side exposed portion 16, exposed portion 26 outside the second metal forming of the assembly of the 3rd layer
Link up with exposed portion 16 outside the first metal forming of the assembly of undermost 4th layer.This
Outward, outside the first metal forming of the assembly of the 1st layer the connection of exposed portion 16 with in hole 17
The positive pole pin 36 being made up of conductive material is installed, outside second metal forming of the 4th layer
The connection hole 27 of exposed portion 26 is installed the negative pole pin 37 being made up of conductive material.
By link as described above, making 4 laminated-type storage assembly 2 attached in series, positive pole is used
Pin 36 and negative pole pin 37 is used as the electrode terminal of set of cells 5, can draw electric wire 38 and
It is connected with miscellaneous equipment.
In described laminated-type storage assembly 2, the thickness of assembly is thick at cell device room 42,
Laminated-type storage assembly thin, the most adjacent at heat-sealing portion 52a, 52b
Space 70 is formed between 2.That is, heat-sealing the portion 52a, 52b of cell device room 42 surrounding it
On, formed with the four of (width of heat-sealing portion 52a, 52b) × (height of embossed portion 45)
Limit shape is the space 70 in cross section.Described cell device room 42 surrounding certainly exist heat-sealing portion 52a,
52b, therefore, all of cell device room 42 contacts on the direction orthogonal with stacked direction
Space 70.
In each laminated-type storage assembly 2, multiple cell devices 60 by the first metal forming inside
Inside exposed portion 14 and second, exposed portion 24 is via the first metal forming 11 and the second metal forming 21
And turn on, laminated-type storage assembly 2 can utilize exposed portion outside the first metal forming to each other
16 and second exposed portion 26 outside metal forming link up.Additionally, set of cells 5 and outside set
Connection between Bei exposes also by outside exposed portion outside the first metal forming 16 and the second metal forming
Portion 26 is carried out.That is, laminated-type storage assembly 2 and set of cells 5 are without lug.Thus, layer
In die mould storage assembly 2, heat-sealing portion 52a, 52b are connected with cell device room 42
Part has all carried out the molten of the first thermoplastic resin 13 and the second thermoplastic resin 23
Connect, thus adaptation be good, the seal higher than the cell device room 42 drawing lug can be obtained,
Reduce the risk of leakage.Furthermore, owing to not using lug, thus, heat-sealing operation is simple,
Lightweight and the space saving of set of cells 5 can also be sought.
Described set of cells 5 realizes height by being linked up by multiple laminated-type storage assemblies 2
Capacity, owing to having multiple cell device 60, produced heat is the biggest.Described
In set of cells 5, cell device 60 heat produced is discharged in described space 70, so
The rear gas flowing into described space 70 that utilizes, promotion is dispelled the heat and is cooled down.Described space 70
It is the heat-dissipating space formed by layer laminate die mould storage assembly 2, does not uses wave-like
Thermal component as component, can present heat dispersion, maximizes not making set of cells
In the case of, i.e. can get cooling effect.Utilize what such space 70 realized to be cooled in stacking
In the structure of multiple laminated-type storage assemblies 2 especially effectively, it is to use single component gained not
Arrive.Additionally, if the battery capacity of assembly entirety is identical, compared to having 1 battery
Element and cell device is enclosed the assembly of 1 cell device room therein, has multiple electricity
Pond element and cell device is enclosed the table of assembly exterior body of multiple cell device room therein
Area is big, and radiating efficiency is high.
Cooling effect because described space 70 forced air supply is improved, can because sending cold wind and
Improve further.But, even if not forced air supply, when caloric value difference and in set of cells 5
During interior generation temperature difference, also can produce free convection, thus also can be cooled down effect accordingly
Really.
Make the condition forming space in set of cells be, utilize embossed portion to form cell device room and
The outer surface making exterior body has protuberance.But, the form of embossed portion and electrode member room is also
It is not limited to the embodiment shown in Fig. 2 A and Fig. 2 B, as long as constituting the first of exterior body
If at least one in exterior component and the second exterior component forms embossed portion, it is possible to exterior
The outer surface of body forms protuberance.Additionally, the distance between cell device room, the i.e. width in heat-sealing portion
Degree is set as can ensure that the size of the seal of cell device room certainly, but, in order to expand
The space of heat transmission, can make the size that the dimension enlargement in heat-sealing portion is bigger.
Fig. 4 and Fig. 5 represents the example of other embodiment of embossed portion and cell device room.
It addition, in both figures, the first exterior component 10 and stacking of the second exterior component 20 is eliminated
Structure and the in-built diagram of cell device room, towards indoor formation the first metal forming
Exposed portion inside inner side exposed portion and the second metal forming, and enclose on this aspect of cell device 60,
Identical with above-mentioned laminated-type storage assembly 2.
The exterior body 80 of Fig. 4 has at both the first exterior component 10 and the second exterior component 20
Embossed portion 45,46, these embossed portion 45,46 form an electrode member room 81 in opposite directions.
The exterior body 82 of Fig. 5 is identical with described exterior body 80, outside the first exterior component 10 and second
Both piece installings 20 have embossed portion 45,46, and each embossed portion 45,46 is respectively facing opposite
The flat of component and form electrode member room 83a, 83b.Described exterior body 80,82
Two masks at thickness direction have embossed portion 45,46, if thus stacking have outside these
If the assembly of dress body 80,82, in the formation space, two faces of assembly.
Additionally, space can be changed according to the difference of the overlapped way of laminated-type storage assembly
Configuration mode.
In set of cells 6 shown in Fig. 6, described in every alternating floor, laminated-type storage assembly 2 is the most wrong
Laminated-type storage assembly 2 described in the ground stacking of open position, is configured to the cell device of 1 assembly 2
The center of room 42 and heat-sealing portion 52a, 52b of assembly 2 the most adjacent thereto
Intersection point overlap.Offset is 1/2 of the distance between cell device room 42.With above-mentioned this
The mode of kind makes the position of laminated-type storage assembly 2 stagger, then make cell device at stacked direction
Room 42 configures staggeredly.Further, since laminated-type storage assembly 2 stagger can make adjacent
Staggering in the position in the connection hole 17,27 of assembly, thus changes the first flange 15 and second
The width of flange 25 makes connection hole 17,27 para-position.Thus, strictly speaking, Fig. 6
Represent laminated-type storage assembly 2 be shaped differently than the laminated-type electric power storage that Figure 1A～2B represents
Assembly 2, but for the purpose of simplifying the description and diagram, and employ identical reference.With described
Set of cells 5 is identical, and in described set of cells 6,4 laminated-type storage assemblies 2 utilize to connect to be used
Pin 35 attached in series, is installed on the positive pole pin 36 of the assembly of the 1st layer and is installed on the 4th
The negative pole of the assembly of layer pin 37 is used as the electrode terminal of set of cells 6.
Use above-mentioned lit-par-lit structure, make space 71 the most also be created as interlocking
Shape, in the surface of cell device room 42 of laminated-type storage assembly 2 and the underface of each floor
Form space 71.The size in described space 71 is identical with the space 70 of above-mentioned set of cells 5,
Relative to set of cells 5 electrode member room 42 simply on the direction orthogonal with stacked direction with
Space 70 is adjacent, and the electrode member room 42 of set of cells 6 is at stacked direction and and stacked direction
On orthogonal the two direction, direction all adjacent with space 71.Thus, make cell device room 42
Contact with space 71 with bigger area, cooling effectiveness can be improved.
Make the battery that configures of the staggered ground in electrode member room 42 and space 71 as described above
In group 6, due to staggered configuration, thus, electrode member room 42 and heat-sealing portion 52a,
Magnitude relationship in the size of 52b is unrestricted.At electrode member room 42 and heat-sealing portion 52a,
In the case of 52b is same size, form the space with electrode member room 42 same size.
In the case of electrode member room 42 is bigger than heat-sealing portion 52a, 52b, electricity in the stacking direction
The local of pole element chamber 42 is overlapping, but forms space.On the contrary, compare in electrode member room 42
In the case of heat-sealing portion 52a, 52b are little, heat-sealing portion 52a, 52b local in the stacking direction
Overlap, but the electrode member room 42 of lower floor supports heat-sealing portion 52a, the 52b on upper strata, thus not
This situation in space is filled up in the electrode member room 42 that can cause upper strata enters space.No matter
When, the space corresponding with the size of heat-sealing portion 52a, 52b can be formed.
Additionally, as other means of raising cooling effect, make laminated-type storage assembly 2
Between there is the method for heat carrier 75.In the set of cells 6 of Fig. 6, accompany metallic plate as leading
Hot body 75 is to metallic plate heat extraction, to improve cooling effect.The material of described heat carrier 75 is excellent
Elect the high aluminum of thermal conductivity, copper as, it is also possible to it is cold to improve that conductive body 75 connects chiller
But effect.
Other embodiment of laminated-type storage assembly and set of cells
The laminated-type storage assembly constituting set of cells has metal forming with the outer surface at exterior body
Outside exposed portion is condition, but its forming position is not limited.Outside metal exposed portion is
Obtain inter-module conducting and set of cells and the outside part being conducted, be located at beyond flange
Outside metal forming exposed portion also can realize their conducting.
Shown in pie graph 7A～7C 4 layer structure set of cells 7 laminated-type storage assembly 2a,
Between the laminated-type storage assembly 2 of 2b, 2c, 2d and composition set of cells 6, something in common exists
In, sudden and violent inside the positive pole 61 of cell device 60 and the first metal forming in cell device room 42
Dew portion 14 turns on, and inside negative pole 63 and the second metal forming, exposed portion 24 turns on, but, root
According to the difference of stratification position, the outer surface of exterior body 33 makes the metal forming that metal forming exposes
The forming position of outside exposed portion is the most different.Additionally, 4 laminated-type storage assembly 2a, 2b,
2c, 2d are with set of cells 6 something in common, to make cell device room 42 in the stacking direction
With space 71 stacking in the way of staggered layout.
In the laminated-type storage assembly 2a of the 1st layer of the superiors, expose outside the first metal forming
Portion 16 is formed at the first flange 15.Additionally, as shown in Figure 7 B, sudden and violent outside the second metal forming
Dew portion 28 be formed at the second metal forming inside the face of exposed portion 24 opposition side, be i.e. formed at
The bottom surface of cell device room 42.Outside described second metal forming, exposed portion 28 is removal second
Second heat-resistant resin layer 22 of exterior component 20 and make the second metal forming 21 expose.
In laminated-type storage assembly 2b, 2c of middle layers 2 and 3, such as Fig. 7 C
Shown in, outside the first metal forming exposed portion 18 be formed at the first metal forming inside exposed portion 14
The face of opposition side, the i.e. end face of cell device room 42.Exposed portion outside described first metal forming
18 is to remove the first heat-resistant resin layer 12 of the first exterior component 10 and make the first metal forming 11
Expose.Additionally, as shown in Figure 7 B, outside the second metal forming, exposed portion 28 is formed at and the
The face of exposed portion 24 opposition side, the i.e. bottom surface of cell device room 42 inside two metal formings.Institute
Stating exposed portion 28 outside the second metal forming is to remove the second thermostability tree of the second exterior component 20
Lipid layer 22 and make the second metal forming 21 expose.
In the laminated-type storage assembly 2d of undermost 4th layer, as seen in figure 7 c, first
Outside metal forming exposed portion 18 be formed at the first metal forming inside exposed portion 14 opposition side
Face, the i.e. end face of cell device room 42.Outside described first metal forming, exposed portion 18 is
The first metal forming 11 is made to expose except the first heat-resistant resin layer 12 of the first exterior component 10.
Additionally, exposed portion 26 is formed at the second flange 25 outside the second metal forming.
In described set of cells 7, above-mentioned 3 kinds 4 laminated-type storage assembly 2a, 2b, 2c,
Clip the heat carrier 75 being made up of conductive material between 2d and carry out stacking, with fixture (diagram
Omit) clamp this duplexer to make heat carrier 75 and laminated-type storage assembly 2a, 2b, 2c
It is adjacent to assemble.When this assembling, it is formed at the appearance of cell device room 42
Exposed portion 28 and heat conduction outside exposed portion 18 and the second metal forming outside first metal forming in face
Body 75 contacts.Described heat carrier 75 is electric conductor, thus, the cell device 60 of each layer is borrowed
Help the first metal forming 10 and the second metal forming 20 attached in series.Additionally, and between external equipment
Energising, utilize the laminated-type assembly 2a of the superiors the first flange 15 the first metal
Outside paper tinsel the of second flange 25 of exposed portion 16 and undermost laminated-type storage assembly 2c
Outside two metal formings, exposed portion 26 realizes, and installs positive pole pin 36 and negative pole is used on them
Pin 37.
As described above, the contact site of the laminated-type storage assembly got up in stacking sets up separately
Put metal forming outer exposed portion, do not use connecting portion material, laminated-type storage assembly can be realized
Connection.It addition, described set of cells 7 accompanies heat carrier for the purpose of improving cooling effect
75, heat carrier 75 is used as conductive part, but can also be not accompany heat carrier 75 and make
Metal forming outer exposed portion the most directly contacts and is turned on.
First exterior component and the material of the second exterior component and shaping
First exterior component 10 is, bonding by first on a face of the first metal forming 11
Layer bonding the first heat-resistant resin layer 12, on the other surface by the second adhesive linkage bonding the
One thermoplastic resin 13.Inside first metal forming, exposed portion 14 is by removing the first thermoplasticity
Resin bed 13 and the second adhesive linkage are formed, and outside the first metal forming, exposed portion 16,18 is
By corresponding to the face that will be formed remove the first thermoplastic resin 13 and the second adhesive linkage or
Remove the first heat-resistant resin layer 12 and the first bonding agent and formed.Additionally, passing through
Compressing form embossed portion 45 in the case of, formed after metal exposed portion, pressing
Make shape.
Second exterior component 20 is, bonding by the 3rd on a face of the second metal forming 21
Layer bonding the second heat-resistant resin layer 22, on the other surface by the 4th adhesive linkage bonding the
Two thermoplastic resins 23.Identical with the first exterior component 20, exposed portion inside the second metal forming
24 are formed, the second gold medal by removing the second thermoplastic resin 23 and the 4th adhesive linkage
Belonging to exposed portion 26,28 outside paper tinsel is by the face corresponding to being formed, and removes the second thermoplastic
Property resin bed 23 and the 4th adhesive linkage or removing the second heat-resistant resin layer 22 and the 3rd glues
Connect what layer was formed.
It addition, Figure 1B, 2B, 6,7B, 7C eliminate the first adhesive linkage, the second adhesive linkage,
3rd adhesive linkage and the diagram of the 4th adhesive linkage.
The preferred material of described first metal forming 11 is soft aluminium foil, and thickness is preferably
20 μm～150 μm.From the viewpoint of formability, cost, particularly preferred 30 μm～80 μm
Soft aluminium foil.On the other hand, the preferred material of the second metal forming 21 is soft or hard
Aluminium foil, stainless steel foil, nickel foil, Copper Foil, titanium foil.The preferred thickness of these paper tinsels is
10 μm～150 μm, from the viewpoint of impact resistance, bending resistance, cost, be preferably
15 μm～100 μm.
Additionally, described first metal forming 11 and the second metal forming 21 can also use at plating
Reason paper tinsel, covering paper tinsel.Such as, as the second metal forming 21, it is possible to use nickel plating on copper and
The plating obtained processes paper tinsel, rustless steel and the covering paper tinsel of nickel.
Furthermore it is preferred that on described first metal foil layer the 11, second metal foil layer 21, at least
On the face that there is metal forming exposed portion 14,16,24,26 side, form chemical conversion overlay film.
Described chemical conversion overlay film is covering of being formed by enforcement chemical conversion treatment on the surface of metal forming
Film, by implementing such chemical conversion treatment, can be substantially prevented from stored substance (electrolyte etc.)
Corrosion to metal foil surface, even constituting electricity to take out the exposed portion of window, is making assembly
Time be attached to electrolyte, do not have variable color, deterioration yet, it is also possible to reduce atmosphere moisture
Deng infection.Chemical conversion treatment layer self there is no electric conductivity, and coating thickness is minimum,
Also there is no energising resistance.Such as, by carrying out following process, come metal forming
Implement chemical conversion treatment.That is, on the surface of metal forming doing ungrease treatment, by following 1)
～3) in after any one aqueous solution is coated to the surface of metal forming, be dried, and real
Execute chemical conversion treatment
1) phosphoric acid, chromic acid and nonmetal from the slaine of fluoride and fluoride are comprised
The group of salt composition is selected the aqueous solution of the mixture of at least one compound；
2) phosphoric acid is comprised, from acrylic resin, chitosan derivative resin and phenol system tree
At least one resin selected and forming from chromic acid and chromium (III) salt in the group of fat composition
Group in the aqueous solution of the mixture of at least one compound selected；
3) phosphoric acid is comprised, from acrylic resin, chitosan derivative resin and phenol system tree
At least one resin selected in the group of fat composition, the group formed from chromic acid and chromium (III) salt
In at least one compound selected and from the slaine of fluoride and the non-gold of fluoride
The aqueous solution of the mixture of at least one compound that the group of genus salt composition is selected
Described chemical conversion overlay film, as chromium adhesion amount (each one side), is preferably
0.1mg/m2～50mg/m2, particularly preferably 2mg/m2～20mg/m2。
As constituting described first heat-resistant resin layer 12 and the second heat-resistant resin layer 22
Heat-resistant resin, the heat-resistant resin that heat-sealing temperature when being used in heat-sealing exterior component does not dissolves.
As described heat-resistant resin, fusing point is preferably used than constituting the first thermoplastic resin 13 He
The thermostability tree of high more than 10 DEG C of the fusing point of the thermoplastic resin of the second thermoplastic resin 23
Fat, particularly preferably uses the thermostability tree of higher than the fusing point of thermoplastic resin more than 20 DEG C of fusing point
Fat.Such as in addition to mylar, polyamide film, the most poly-naphthalenedicarboxylic acid ethylene glycol
The extension thin film such as ester film, PBN thin film, polycarbonate film.This
Outward, thickness is preferably 9 μm～the scope of 50 μm.
As described first thermoplastic resin 13 and the second thermoplastic resin 23, preferably by
In polyethylene, polypropylene, olefin copolymer, their sour modifier and ionomer
At least one thermoplastic resin formed the thin film that do not extends, thickness is preferably 20 μm～80 μm
Scope.
Described first adhesive linkage, the 3rd adhesive linkage are preferably the polyester-polyurethane of two-solution curing type
System, the bonding agent of polyether-polyurethane system, the second adhesive linkage, the 4th adhesive linkage consider resistance to electricity
Solve matter and preferred polyolefm system bonding agent.The preferably coating of each bonding agent is
1g/m2～5g/m2。
The formation side of metal forming exposed portion in described first exterior component 10 and the second exterior component 20
Method is not by any restriction.Such as, at the bonding metal paper tinsel using dried layer platen press to carry out and resin
In the operation of layer, use the part of non-cohesive bonding agent carved fall gravure volume be coated with viscous
Connecing agent and form the uncoated portion of bonding agent, after bonding metal paper tinsel and resin bed, excision is viscous
Connect the resin bed on the uncoated portion of agent and make metal forming expose.Layer at above-mentioned embodiment
The first exterior component 10 and the second exterior component 20 used in die mould storage assembly 2, in thermoplasticity
There is on the face of resin bed side metal forming exposed portion 14,16,24,26, glue with above-mentioned maneuver
Close the first metal forming 11 and the first thermoplastic resin 13 and the second metal forming 21 and
Two thermoplastic resins 23, after bonding, form metal forming exposed portion 14,16,24,26.
On the other hand, owing to there is no metal exposed portion on the face of heat-resistant resin layer side, thus, can
To use well-known mode to bond the first metal forming 11 and the first heat-resistant resin layer
12 and second metal forming 21 and the second heat-resistant resin layer 22.
Additionally, on the face of the first heat-resistant resin layer 12 side of the first exterior component 10 and/or
Formed on the face of the second heat-resistant resin layer 22 side of two exterior components 20 outside metal forming and expose
In the case of portion, bonding the first metal forming 11 and the first heat-resistant resin layer with above-mentioned maneuver
12 and second after metal forming 21 and the second heat-resistant resin layer 22, remove resin bed.
Additionally, as shown in Figure 1A etc., formed the first exterior component 10 is done compressing
In the case of embossed portion 45, after forming metal exposed portion, carry out compressing.Diagram
In the shaping of the first exterior component 10 of example, constitute into compacting tool set with by formpiston, former
Mould carries out compressing, and wherein formpiston is for exposed portion inside the first metal forming 14 and top
Face contacts, and former inserts for formpiston.Second exterior component 20 forms the situation of embossed portion also
Carry out compressing equally.
Additionally, the first exterior component 10 is not by so that having two limits of the first flange exterior from second
Part 20 highlights fraction of size and cuts, if being allowed to bending after prominent part is sealed,
Then can prevent the first metal forming 11 from contacting in cut-out end with the second metal forming 21.Also may be used
So that the first exterior component 10 overturns mutually with the size of the second exterior component 20, and bend outside second
Piece installing 20.
The structure of cell device and material
Described laminated-type storage assembly 2,2a, 2b, 2c, 2d use cell as electricity
Pond element 60.Described cell and the detailed feelings of electrolyte enclosed together with cell
Condition is as follows.
(cell)
As the cell of cell device 60 by positive pole 61, shim 62, negative pole 63 structure
Become.The embodiment of described battery unit is not limited to the backrush type of Fig. 3.As cell
Other embodiment, cascade type can be exemplified, i.e. positive pole and negative pole are cut into electricity
The size of pool unit, it is the most alternately laminated multiple that formation is respectively combined shim for each paper tinsel,
With the collector body of ultrasonic bonding anelectrode each other with the collector body of negative electrode each other it
Between.
Described positive pole 61 is preferably made up of collector body and positive active material, described collector body one
As use metal forming.Metal forming is preferably used thickness 7 μm～the hard of 50 μm or soft aluminum
Paper tinsel, the position connected with metal exposed portion 14 is suitably without active substance.Described positive pole is lived
The composition of property material layer without particular limitation of, by such as to PVDF (Kynoar), SBR
(styrene butadiene ribber), CMC (sanlose etc.), PAN are (poly-
Acrylonitrile), the binding agent such as straight-chain polysaccharide class adds lithium salts (such as, cobalt acid lithium, nickel acid
Lithium, LiFePO4, LiMn2O4 etc.) blend compositions etc. formed.Described positive pole is lived
The thickness of property material layer is preferably set to 2 μm～300 μm.Can in described positive electrode active material layer
With possibly together with conductive adjuvants such as white carbon black, CNT (CNT).
Additionally, between described collector body and positive active material, in order to improve adaptation and
Binding agent is preferably used.Described binding agent is not particularly limited, such as can list by
The layer that PVDF, SBR, CMC, PAN, straight-chain polysaccharide class etc. are formed.Described adhesive phase
In, in order to improve the electric conductivity between collector body and positive electrode active material layer, can be also added with
The conductive adjuvant of white carbon black, CNT (CNT) etc..The thickness of described adhesive phase is excellent
Choosing is set as 0.2 μm～10 μm.By making adhesive phase be below 10 μm, it is possible to do one's utmost to press down
The increase of the internal resistance of the cell that system is formed by the binding agent without electric conductivity.
Described negative pole 63 is preferably made up of collector body and negative electrode active material, described collector body one
As use metal forming.It is 7 μm～the Copper Foil of 50 μm that metal forming is preferably used thickness, additionally,
Aluminium foil, titanium foil, stainless steel foil can be used.Additionally, it is identical with positive pole, preferably with metal
The position that exposed portion 24 connects does not has active substance.The composition of described negative electrode active material layer is not
It is particularly limited to, such as, utilizes to PVDF, SBR, CMC, PAN, straight-chain polysaccharide class
Deng binding agent with the addition of additive (such as, graphite, lithium titanate, Si system alloy, stannum system
Alloy etc.) blend compositions etc. shape.The thickness of described negative electrode active material layer preferably sets
It is set to 1 μm～300 μm.Described negative electrode active material layer can be possibly together with white carbon black, CNT (carbon
Nanotube) etc. conductive adjuvant.
Furthermore it is preferred that between collector body and negative electrode active material, in order to improve adaptation and
Use binding agent.Described binding agent is not particularly limited, can enumerate such as by PVDF, SBR,
The layer that CMC, PAN are formed.In described adhesive phase, live to improve collector body and negative pole
Electric conductivity between property material layer, can add the conductive adjuvant such as white carbon black, CNT further.
The thickness of described adhesive phase is preferably set to 0.2 μm～10 μm.By making described adhesive phase
It is below 10 μm, the monomer electricity formed by the binding agent not having electric conductivity can be suppressed with doing one's utmost
The internal resistance in pond increases.
At the upper stacking adhesive phase of the collector body (metal forming) constituting positive pole 61 and positive-active
In the case of material layer, apply each layer composition the most successively and be allowed to dry.?
Constitute the upper stacking adhesive phase of collector body (metal forming) and the negative electrode active material layer of negative pole 63
In the case of be also the same.
Described shim 62 is not particularly limited, and can enumerate such as polyethylene shim, poly-
Propylene shim, polyethylene film and polypropylene film the laminate film formed is formed
Shim, or formed by heat resistant inorganic things such as coating ceramic on this resin-made shim
Wet type or dry type porous film constitute shim etc..The thickness of described shim 62 is excellent
Choosing is set as 5 μm～50 μm.
Additionally, the laminated-type storage assembly of the present invention is excellent in the case of double layer capacitor
Material selection is as follows.
The collector body of positive pole 61 and the hard that the collector body preferred thickness of negative pole 63 is 7～50 μm
Aluminium foil.Positive active material and the preferred white carbon black of negative electrode active material or CNT (CNT).
Shim is preferably the poly-cellulose membrane of the Porous of thickness 5 μm～100 μm or thickness is
5 μm～the non-woven fabrics etc. of 100 μm.
(electrolyte)
Additionally, the electrolyte enclosed together with cell device is not particularly limited, can list
Including selected from water, ethylene carbonate, propylene carbonate, dimethyl carbonate, Ethyl methyl carbonate,
The solvent of at least one in diethyl carbonate and dimethoxy-ethane and the electrolyte of lithium salts.
Described lithium salts is not particularly limited, and can list such as lithium hexafluoro phosphate, LiBF4,
Tetrafluoroborate etc..Described quaternary ammonium salt can list such as tetramethyl ammonium etc..This
Outward, above-mentioned electrolyte can use and be coagulated with PVDF, PEO (polyethylene glycol oxide) etc.
The material of gel.
Laminated-type storage assembly and the manufacture method of set of cells
Described laminated-type storage assembly 2,2a, 2b, 2c, 2d can be manufactured by following operation.
(1) by previously described method, it is produced on desired position and is formed with the first gold medal
Belong to inside paper tinsel exposed portion 16 or the first metal forming exposed portion outside exposed portion the 14, first metal forming
18 and the first exterior component 10 of embossed portion 45.Additionally, be produced on desired position shape
Become and have inside the second metal forming exposed portion 26 or the second gold medal outside exposed portion the 24, second metal forming
Belong to the second exterior component 20 of exposed portion 28 outside paper tinsel.
(2) to make the first thermoplastic resin 13 in the way of getting on, first is placed exterior
Part 10, makes the positive pole 61 of cell device 60 and each embossed portion constituting cell device room 42
Inside the first metal forming in 45, the mode of exposed portion 14 contact, loads cell device 60,
Syringe etc. is used to inject electrolyte.
(3) so that exposed portion 24 and battery unit inside the second metal forming of the second exterior component 20
The mode of negative pole 63 contact of part 60, does para-position and by they overlaps to the second exterior component 20,
And assemble exterior body 32,33.In this assembled state, the first flange 15 is from the second exterior component
The end of 20 is stretched out, and the second flange 25 stretches out from the end of the first exterior component 10, the first gold medal
Belong to outside paper tinsel outside exposed portion 16 and the second metal forming exposed portion 26 in exterior body 32,33
Outer surface exposes.
(4) use adds overheated hot plate to form heat-sealing portion 52a.
(6) exposed portion 16 and second outside the first metal forming of electricity folder and the first flange 15 is made
Outside second metal forming of flange 25, exposed portion 26 is connected, and is pre-charged, and puts into 100 DEG C
Temperature chamber 8 hours and do aerofluxus.
(7) under reduced pressure atmosphere, seal unsealing part with adding overheated hot plate and formed
Heat-sealing portion 52b, thus in cell device room 42, enclose cell device 60 and electrolyte.
(8) exposed portion 16 and the second flange 25 outside the first metal forming of the first flange 15
The second metal forming outside exposed portion 26 dozens connect with hole 17,27.
Above-mentioned manufacture method is only the example enumerated, the most should be to not such
Manufacture method limits.
The laminated-type storage assembly 2 made of the number desired by stacking, 2a, 2b, 2c,
2d, or across heat carrier 75 with the desired number laminated-type electric power storage group to making
Part 2,2a, 2b, 2c, 2d do stacking, use said method, are attached at stacked direction phase
Adjacent assembly and assembled battery group.Stacking quantity in the set of cells of the present invention is any amount.
The set of cells purposes of the present invention does not limits, and may be used for needing the automobile, voluntarily of electricity
The power supplys such as car, motorcycle, train, aircraft, boats and ships, specifically, may be used for mixed motor-car,
Jumbo lithium secondary battery (the lithium-ion electrics such as electric automobile, industrial-home-use accumulator
Pond, lithium polymer battery etc.) assembly, solid state battery assembly, the lithium-ion electric of same use
Hold the electric double layer capacitance assembly of assembly, ibid purposes.
Embodiment
It follows that the specific embodiment of the explanation present invention, the present invention is not by these embodiments
It is particularly limited to.
(embodiment 1)
Make the laminated-type assembly 2 shown in 4 Figure 1A, 1B, make shown in Fig. 2 A, 2B
Set of cells 5.
First metal forming 11 is that the thickness of the A8079 classifying out according to JIS H4160 is
The soft aluminium foil of 40 μm, implements chemical conversion treatment on both faces.First heat-resistant resin
Layer 12 be thickness be the Biaxially oriented polyamide thin film of 25 μm.First thermoplastic resin 13
Be thickness be the un-stretched polypropylene film of 40 μm.Second metal forming 21 be thickness be 20 μm
The stainless steel foil of soft SUS304, implement chemical conversion treatment on both faces.Second is resistance to
Thermal resin layer 22 be thickness be the Biaxially oriented polyester film of 12 μm.Second thermoplastic resin
Lipid layer 23 be thickness be the un-stretched polypropylene film of 40 μm.
Additionally, exposed portion 24 inside exposed portion 14 and the second metal forming inside the first metal forming
Size be 30mm × 30mm, outside the first metal forming outside exposed portion 16 and the second metal forming
The size of side exposed portion 26 is 20mm × 200mm.
(the first exterior component)
On a face of the first metal forming 11, by dried layer platen press, it is 3 μm with coating thickness
Polyester-polyurethane adhesive bonds first heat-resistant resin layer 12 of two-solution curing type, use
50 DEG C of ageing oven ripenings 3 days.It follows that on the reverse side of described first metal forming 11, logical
Overdrying laminating, is coated so that coating thickness by the olefin-based bonding agent of two-solution curing type
When being 2 μm, formed and exposed portion 14 and 1 the first metal forming inside 9 the first metal formings
The size bonding agent uncoated portion corresponding with position of outside exposed portion 16, bonding the first heat
Plastic resin layers 13.After having done bonding, with the ageing oven ripening 3 days of 40 DEG C.
After having done ripening, utilize laser cutter, cut away in the removal uncoated portion of bonding agent
The first thermoplastic resin 13, formed for first metal forming 11 expose the first metal forming in
Exposed portion 16 outside side exposed portion 14 and the first metal forming.
It follows that use 40mm square constituted shaping by formpiston, former, compacting tool set
Mould, so that the state of exposed portion 14 contact inside the end face of formpiston and the first metal forming, enters
The row pressurization degree of depth is the compressing of 4mm, forms the embossed portion constituting cell device room 42.
Then, repair surrounding and obtain the first exterior component 10.The planar dimension of this first exterior component 10
It is 140mm × 160mm.
(the second exterior component)
On a face of the second metal forming 21, by dried layer platen press, it is 3 μm with coating thickness
Polyester-polyurethane adhesive bonds second heat-resistant resin layer 22 of two-solution curing type, in
50 DEG C of ageing oven ripenings 3 days.It follows that on the reverse side of described second metal forming 21, logical
Overdrying laminating, the olefin-based bonding agent of coating two-solution curing type is so that its coating thickness 2 μm
Time, formed with 9 the second metal formings inside outside exposed portion 24 and 1 the second metal forming sudden and violent
The uncoated portion of bonding agent that the size in dew portion 26 is corresponding with position, bonds the second thermoplastic resin
Lipid layer 23.After having done bonding, with the ageing oven ripening 3 days of 40 DEG C.
After having done ripening, utilize laser cutter, cut away in the removal uncoated portion of bonding agent
The second thermoplastic resin 23, formed for second metal forming 21 expose the second metal forming in
Exposed portion 26 outside side exposed portion 24 and the second metal forming.Then repair surrounding and obtain second
Exterior component 20.The planar dimension of this second exterior component 20 is 150mm × 160mm, ratio first
Exterior component 10 is big.
(electrode member)
As electrode member 60, following material is used to make cell.
The collector body of positive pole 61 is the hard aluminum of the A1100 classifying out according to JIS H4160
Paper tinsel, thickness is 15 μm, and width is 500mm.The collector body of negative pole 63 is according to JIS H3100
The hard Copper Foil of classification C1100R out, thickness is 15 μm, and width is 200mm.Just
Pole active material layer formation paste is, is lived by the mixing positive pole with cobalt acid lithium as main component
Property material 60 mass parts, as bonding agent hold concurrently electrolyte retention agent PVDF 10 mass parts,
Acetylene black (conductive material) 5 mass parts, METHYLPYRROLIDONE (organic solvent) 25
Mass parts and be allowed to disperse obtained pastel.Negative electrode active material formation paste is, logical
Cross mixing negative electrode active material 57 mass parts using carbon dust as main component, as bonding agent
PVDF 5 mass parts, hexafluoropropene and the copolymer of maleic anhydride of double electrolyte retention agent
10 mass parts, acetylene black (conduction material) 3 mass parts, METHYLPYRROLIDONE are (organic
Solvent) 25 mass parts and make they dispersion obtained by pastel.Binding agent liquid is by inciting somebody to action
The binding agent liquid that PVDF is dissolved in solvent (dimethylformamide) and obtains.Shim 62
Be width be 38mm, thickness be the wet type shim of Porous of 8 μm.Electrolyte be
By ethylene carbonate (EC), dimethyl carbonate (DMC), Ethyl methyl carbonate (EMC)
The mixed solvent obtained so that equivalent volumes ratio carries out coordinating dissolves with the concentration of 1 mol/L
Solution obtained by lithium hexafluoro phosphate (LiPF6).
Described positive pole 61 is made by following operation.First, one face of collector body is whole
Body coating adhesive liquid, with 100 DEG C do 30 seconds be dried, forming dried thickness is
The adhesive phase of 0.5 μm.It follows that be coated with positive electrode active material on the surface of described adhesive phase
Matter layer fluidity is stuck with paste, and does 30 minutes being dried with 100 DEG C, then, carries out hot pressing, formed close
Degree is 4.8g/cm3, dried thickness be the positive electrode active material layer of 120 μm.Then,
By giving width operation, it is cut into the coiled type of 35mm width.
Described negative pole 63 is made by following operation.First, in a topcoating of collector body
Cloth binding agent liquid, with 100 DEG C do 30 seconds be dried, forming dried thickness is 0.5 μm
Adhesive phase.It follows that be coated with negative electrode active material layer on the surface of described adhesive phase
Fluidity is stuck with paste, and does 30 minutes being dried with 100 DEG C, then, carries out hot pressing, and forming density is
1.5g/cm3, dried thickness be the negative electrode active material layer of 20.1 μm.Then, pass through
Give width operation, be cut into the coiled type of 35mm width.
Then, with negative pole 63 (collector body-negative electrode active material layer)/shim 62/ (positive pole
Active material layer-collector body) order of positive pole 61/ shim, by them with the most gradually
Stagger fraction of mode stacking, rolling, to make positive pole 61 expose in a face, make at reverse side
The mode that negative pole 63 exposes does conquassation, make 38mm square, thickness be the list of 4mm
Body battery.
(laminated-type storage assembly and the assembling of set of cells)
(1) by the first thermoplastic resin 13 in the way of getting on, the first exterior component is placed
10, make the positive pole 61 of cell device 60 and for forming each embossed portion of cell device room 42
Inside the first metal forming in 45, the mode of exposed portion 14 contact, loads cell device 60,
Syringe etc. is used to inject electrolyte.
(2) so that exposed portion 24 and battery unit inside the second metal forming of the second exterior component 20
The mode of negative pole 63 contact of part 60, carries out para-position and makes they weights the second exterior component 20
Folded, assemble exterior body 32.In this assembled state, the first flange 15 is from the second exterior component
The end of 20 is stretched out, and the second flange 25 stretches out from the end of the first exterior component 10, the
16 and second exposed portion 26 outside metal forming are exposed outside exterior body 32 outside one metal forming
Surface exposes.
(3) use is heated to the hot plate of about 200 DEG C, with the pressure of 0.3MPa, seals 3
Second, form heat-sealing portion 52a.The width of the heat-sealing portion 52a between embossed portion 45 is 5mm.
(4) exposed portion 16 and the second flange 25 outside the first metal forming of the first flange 15
The second metal forming outside exposed portion 26 connect electricity folder, charging until produce 4.2V battery
Voltage, puts into the temperature chamber 8 hours of 100 DEG C, does the aerofluxus in cell device room 42.
(5) under the decompression state of 86kPa, the hot plate being heated to about 200 DEG C is used, to not
Hermetic unit seals, and forms heat-sealing portion 52b, thus encloses in cell device room 42
Cell device 60 and electrolyte.The width of the heat-sealing portion 52b between embossed portion 45 is 5mm.
(6) as the countermeasure of reply short circuit, the second flange 25 side of the first exterior component 10
The ora terminalis of the first flange 15 side of ora terminalis and the second exterior component 20 pastes the adhesive tape of 25 μm,
Cover the first metal forming 11 and the second metal forming 21 come out at end face.Additionally, separately
Outer 2 limits, make the second exterior component 20 stretched to the first exterior component 10 lateral buckling, shape
Become the countermeasure of reply insulation, and strengthen the intensity of side.It addition, Fig. 2 A represents bending
Front state.
(7) exposed portion 16 and the second flange 25 outside the first metal forming of the first flange 15
The second metal forming outside make a call to 3 connection holes 17,27 in exposed portion 26.
Use above operation, make 4 laminated-type storage assemblies 2.
(8) from the point of view of with reference to Fig. 2 A and Fig. 2 B, with the first of the assembly adjacent at stacked direction
The mode that flange 15 and the second flange 25 coincide, changes the side of 4 laminated-type assemblies 2
To, so that they are different, and they are done stacking.
(9) with connection pin 35,4 laminated-type assembly 2 attached in series are made, in the superiors
The first metal forming outside positive pole pin 36 is installed, at undermost second gold medal in exposed portion 16
Belong to and negative pole pin 37 is installed in exposed portion 26 outside paper tinsel.Above operation is used to make battery
Group 5.
Described set of cells 5 Formation cross-section on heat-sealing portion 52a is the (width of heat-sealing portion 52a
The space 70 of the tetragon of 5mm) × (the height 4mm of embossed portion), at heat-sealing portion 52b
On Formation cross-section be (the width 5mm of heat-sealing portion 52b) × (the height 4mm of embossed portion)
The space of tetragon.
(comparative example 1)
Comparative example 1 is to be entered by textural 4 laminated-type storage assemblies different from embodiment 1
The set of cells that row is laminated.
Additionally, in the laminated-type storage assembly 2 of embodiment 1, by 9 cell devices 60 points
Not enclosing each cell device room 42, inner face and outer surface at exterior body form metal forming and expose
Portion, thus do not use lug to can be achieved with cell device 60 and turn on.Relative to this laminated-type
For storage assembly 2,1 cell device is enclosed 1 by the laminated-type assembly of comparative example 1
Cell device room, in order to obtain the ability equal with the cell device of the 9 of embodiment 1 and
Increase the size of cell device.Additionally, the laminated-type assembly of comparative example 1 is, exterior body
Metal forming exposed portion is not had, connecting tab by pole on cell device in inner side and outer side yet
Ear is to the outside assembly drawn of exterior body.
(exterior body)
In exterior component, corresponding to the first exterior component 10 of embodiment 1 have composition battery over the ground
The part of the embossed portion of element chamber and having accordingly with the second exterior component 20 of embodiment 1
The flat of the peristome blocking described embossed portion is one.Exterior body is by by institute
State exterior component to be converted into bilayer and formed.Constitute the material of described exterior component, be metal forming
Words, be thickness be soft aluminium foil (A8021 soft according to JIS H4160 classification of 40 μm
Matter aluminium foil), if being heat-resistant resin layer, be thickness be the Biaxially oriented polyamide of 25 μm
Thin film, if being thermoplastic resin, be thickness be the polypropylene film of 40 μm.
Described exterior component makes in the following way, and the entirety in one face of metal forming is by painting
Cloth amount is 3g/m2Polyester urethane system adhesive bonds heat-resistant resin layer, separately
The entirety in one face is 2g/m by coating weight2Polyolefin adhesive bonds thermoplastic resin
Layer, then ripening 3 days in the temperature chamber of 40 DEG C.It is sudden and violent that described exterior component does not have metal forming
Dew portion, aluminium foil entirety is covered by resin bed.
Described exterior component is implemented compressing, forms the pressure of 115mm × 115mm × high 4mm
Flower portion, carries out deburring with estimating the size of flat and heat-sealing portion reservations.
(cell device and lug)
Cell device is to use material formation profile same as in Example 1 for length of side 110mm
The mode of tetragon make.
The production method of positive pole ear is, so that a length of 30mm, width are 3mm, thickness
Degree is that (A1050's classifying out according to JIS H4000 is soft for the soft aluminium foil of 100 μm
Matter aluminium foil) length direction end side expose 5mm mode, clip aluminium foil at the two of aluminium foil
Individual fever sensation of the face seal a length of 10mm, width be 5mm, thickness 50 μm by maleic anhydride modified
The insulation film that polypropylene film (fusing point be 140 DEG C, MFR be 3.0g/10 minute) is formed.
The production method of negative lug is, so that a length of 40mm, width are 3mm, thickness
Degree is the mode of the length direction end side exposure 5mm of the nickel foil of 100 μm, clips nickel foil and exists
Seal a length of 10mm on two faces of nickel foil, width is 5mm, thickness be 50 μm by
Maleic anhydride modified polypropylene film (fusing point be 140 DEG C, MFR be 3.0g/10 minute) shape
The insulation film become.
Positive pole at described cell device engages the end of positive pole ear and engages negative on negative pole
Pole lug, draws positive pole ear and the top of negative lug from the same limit of cell device.
(laminated-type storage assembly and the assembling of set of cells)
(1) exterior component forms the marking of position of warpage in advance with scale etc..
(2) in the embossed portion of described exterior component, cell device is loaded, with predetermined in heat-sealing portion
The mode of the insulation film loading lug in portion carries out para-position, rolls in the position defining the marking
Bent exterior component, makes flat be covered in embossed portion.
(3) for comprising 2 limits on the limit having drawn lug, use and be heated to 200 DEG C of heat
The pressure of plate 0.3MPa clamps them, carries out the heat-sealing of 3 seconds.
(4) from unencapsulated limit, use syringe, inject 45mL same as in Example 1
Electrolyte, and carry out in the same manner as in Example 1 being pre-charged and aerofluxus.
(5) under the discharge condition of 3.0V, and under the reduced pressure of 0.086MPa, make
With being heated to the hot plate of 200 DEG C, with the pressure of 0.3MPa, clamp unencapsulated limit and carry out 3
The heat-sealing of second, thus at cell device indoor inclosure cell device and electrolyte.
4 laminated-type storage assemblies are produced by above operation.
(6) 4 laminated-type assemblies of stacking make they attached in series, and it is assembled into set of cells.
Evaluate
For processing obtained embodiment 1 and the set of cells of comparative example 1 as described above,
Evaluated based on lower note assessment method.Evaluation result is shown in Table 1 below.
Fully charged after 16.8V to set of cells, under the room temperature condition of 18 DEG C, it is repeated
The discharge and recharge (charging in 1 hour, electric discharge in 1 hour) of the 1C of 100 times, when the most fully charged
Time, measure voltage and capacity.During additionally, fully charged battery has done the electric discharge of 1C, by temperature
The temperature during electric discharge of 0.2C has been done in degree sensor measurement, obtains meansigma methods.Thermometer location
Putting in embodiment 1 and comparative example 1 central authorities of the assembly being all the 3rd layer, embodiment 1 is 3
The outer surface central part of the embossed portion of the central authorities of row × 3 row, comparative example 1 is the central authorities of embossed portion
Portion.
[table 1]
As shown in table 1, between embodiment 1 and comparative example 1, battery capacity is not seen difference
Different, even if the discharge and recharge of 100 circulations is repeated, also it is identical result.Additionally, really
Recognize, compared to comparative example 1, whether during 1C electric discharge, or during 0.2C electric discharge, real
Execute the set of cells of example 1 for caloric value during electric discharge, caloric value, radiating effect can be suppressed
Good.
This application claims the Patent of Japan's patent application filed in 15 days April in 2015
The priority of No. 2015-83102, and the content recorded directly constitutes of the application
Divide content.
It should be recognized that words and phrases used herein and express and to contribute to explain,
Limited explanation can not be used as, suggested in literary composition, any equivalent of technical characteristic of describing
Thing is not all left out, it is allowed to the guarantor of the technical scheme that the claim in the present invention is recorded
Various deformation is done in the range of protecting.
Industrial applicability
The laminated-type storage assembly of the present invention can be used as various power supply well.
Claims (6)
1. a set of cells, it is characterised in that
Laminated-type storage assembly possesses: the first exterior component, and it is of the first metal forming
Stacking the first heat-resistant resin layer, on the other surface stacking the first thermoplastic resin on face,
And there is on the face of described first thermoplastic resin side make the first metal forming expose first
Exposed portion inside metal forming；Second exterior component, it is the upper strata, a face in the second metal forming
Fold the second heat-resistant resin layer, fold the second thermoplastic resin at another surface layer, and in institute
State and there is on the face of the second thermoplastic resin side the second metal forming making the second metal forming expose
Inner side exposed portion；Cell device, it has positive pole, negative pole and is configured at therebetween
Shim,
At least one in described first exterior component and the second exterior component is comprising the first metal forming
Inside inner side exposed portion and the second metal forming, the region of exposed portion has embossed portion, makes described the
First thermoplastic resin of one exterior component and the second thermoplastic resin phase of the second exterior component
To, obtain by being welding together by the first thermoplastic resin and the second thermoplastic resin
Heat-sealing portion surrounds, and is consequently formed the exterior body with multiple cell device rooms, described battery unit
Part room is formed as protuberance by described embossed portion, exposed portion and the second gold medal inside the first metal forming
Belong to exposed portion inside paper tinsel facing in indoor, the outer surface of described exterior body is formed and makes first
Exposed portion and the second gold medal making the second metal forming expose outside the first metal forming that metal forming exposes
Belong to exposed portion outside paper tinsel,
It is sealing into the cell device that described cell device is indoor, its positive pole together with electrolyte
Turn on exposed portion inside the first metal forming, exposed portion conducting inside negative pole and the second metal forming,
Multiple described laminated-type storage assembly stackings in the way of forming space on heat-sealing portion
Getting up, the most adjacent laminated-type storage assembly is exposed by outside the first metal forming
Outside portion and the second metal forming, exposed portion links up.
2. according to the set of cells described in claim 1, wherein,
To make cell device room mutually overlapping with heat-sealing portion on the stacked direction of laminated-type storage assembly
Folded mode, stacking multiple laminated-type storage assembly.
3. according to the set of cells described in claim 1 or 2, wherein,
In the stacking direction, it is configured with heat carrier between adjacent laminated-type storage assembly.
4. according to the set of cells described in claim 1 or 2, wherein,
Described space is cooling gas flow path.
5. according to the set of cells described in claim 1, wherein,
Described space and cell device room are only at the stacked direction with described laminated-type storage assembly
On mutually orthogonal direction adjacent.
6. according to the set of cells described in claim 2, wherein,
Stacked direction and the direction mutually orthogonal with stacked direction at described laminated-type storage assembly
On the two direction, described space and cell device room are adjacent.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015083102A JP6611455B2 (en) | 2015-04-15 | 2015-04-15 | Assembled battery |
| JP2015-083102 | 2015-04-15 |
Publications (2)
| Publication Number | Publication Date |
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| CN106058363A true CN106058363A (en) | 2016-10-26 |
| CN106058363B CN106058363B (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610232746.4A Active CN106058363B (en) | 2015-04-15 | 2016-04-14 | Battery pack |
| CN201620313772.5U Active CN205723858U (en) | 2015-04-15 | 2016-04-14 | Set of cells |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620313772.5U Active CN205723858U (en) | 2015-04-15 | 2016-04-14 | Set of cells |
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| Country | Link |
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| JP (1) | JP6611455B2 (en) |
| KR (1) | KR102488346B1 (en) |
| CN (2) | CN106058363B (en) |
| TW (1) | TWI699925B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394309A (en) * | 2017-07-26 | 2017-11-24 | 王昌国 | A kind of heat sink of batteries of electric automobile group and a kind of battery pack of electric automobile |
| CN111201657A (en) * | 2017-10-11 | 2020-05-26 | 株式会社丰田自动织机 | Electricity storage module |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI721188B (en) | 2016-07-06 | 2021-03-11 | 日商藤森工業股份有限公司 | Battery package, assembled battery, and battery device |
| JP2018006240A (en) * | 2016-07-06 | 2018-01-11 | 藤森工業株式会社 | Battery outer packaging |
| DE102016225160A1 (en) * | 2016-12-15 | 2018-06-21 | Robert Bosch Gmbh | Pouch foil for a battery cell system |
| JP7177791B2 (en) * | 2018-01-10 | 2022-11-24 | 藤森工業株式会社 | Batteries and electric devices |
| CN111886745B (en) * | 2018-03-27 | 2023-12-12 | 日本碍子株式会社 | Lithium secondary battery |
| WO2019187935A1 (en) * | 2018-03-27 | 2019-10-03 | 日本碍子株式会社 | Lithium secondary cell |
| JP7208201B2 (en) * | 2020-09-09 | 2023-01-18 | プライムプラネットエナジー＆ソリューションズ株式会社 | Battery case and secondary battery provided with the battery case |
| KR20230141339A (en) * | 2022-03-31 | 2023-10-10 | 에스케이온 주식회사 | Battery module and device comprising the same |
| WO2024091000A1 (en) * | 2022-10-26 | 2024-05-02 | 주식회사 엘지에너지솔루션 | Battery module comprising cooling fin |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4408259A (en) * | 1979-02-09 | 1983-10-04 | Matsushita Electric Industrial Company, Limited | Electrochemical double-layer capacitor |
| JP2004071302A (en) * | 2002-08-05 | 2004-03-04 | Toyota Motor Corp | Storage element module and its manufacturing method |
| CN1633727A (en) * | 2001-03-05 | 2005-06-29 | 松下电器产业株式会社 | Nonaqueous electrolyte secondary battery and its producing method |
| CN1941457A (en) * | 2005-09-28 | 2007-04-04 | 三洋电机株式会社 | Sealed cell and method of producing same |
| JP2014220102A (en) * | 2013-05-08 | 2014-11-20 | 株式会社オートネットワーク技術研究所 | Power storage module |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55107225A (en) * | 1979-02-09 | 1980-08-16 | Matsushita Electric Ind Co Ltd | Electric double layer capacitor and method of manufacturing same |
| JP4955269B2 (en) | 2003-03-31 | 2012-06-20 | 日本電気株式会社 | Heat dissipation member for laminate type battery and method for manufacturing the same |
| JP2005276486A (en) * | 2004-03-23 | 2005-10-06 | Nissan Motor Co Ltd | Laminated battery, battery pack, and vehicle |
| JP2007095597A (en) * | 2005-09-30 | 2007-04-12 | Dainippon Printing Co Ltd | Battery module |
| KR101243908B1 (en) * | 2010-10-12 | 2013-03-14 | 삼성에스디아이 주식회사 | Battery unit and battery module |
| JP2013004563A (en) * | 2011-06-13 | 2013-01-07 | Aisin Seiki Co Ltd | Power storage device, manufacturing method therefor and power storage module |
| JP2013161674A (en) * | 2012-02-06 | 2013-08-19 | Sumitomo Electric Ind Ltd | Laminate case for electrochemical element, battery, capacitor, and electrochemical element set |
| JP2014170697A (en) | 2013-03-05 | 2014-09-18 | Honda Motor Co Ltd | Battery pack |
| JP6487712B2 (en) * | 2015-02-23 | 2019-03-20 | 昭和電工パッケージング株式会社 | Power storage device |
-
2015
- 2015-04-15 JP JP2015083102A patent/JP6611455B2/en active Active
-
2016
- 2016-04-11 TW TW105111252A patent/TWI699925B/en active
- 2016-04-14 CN CN201610232746.4A patent/CN106058363B/en active Active
- 2016-04-14 KR KR1020160045504A patent/KR102488346B1/en active IP Right Grant
- 2016-04-14 CN CN201620313772.5U patent/CN205723858U/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4408259A (en) * | 1979-02-09 | 1983-10-04 | Matsushita Electric Industrial Company, Limited | Electrochemical double-layer capacitor |
| CN1633727A (en) * | 2001-03-05 | 2005-06-29 | 松下电器产业株式会社 | Nonaqueous electrolyte secondary battery and its producing method |
| JP2004071302A (en) * | 2002-08-05 | 2004-03-04 | Toyota Motor Corp | Storage element module and its manufacturing method |
| CN1941457A (en) * | 2005-09-28 | 2007-04-04 | 三洋电机株式会社 | Sealed cell and method of producing same |
| JP2014220102A (en) * | 2013-05-08 | 2014-11-20 | 株式会社オートネットワーク技術研究所 | Power storage module |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394309A (en) * | 2017-07-26 | 2017-11-24 | 王昌国 | A kind of heat sink of batteries of electric automobile group and a kind of battery pack of electric automobile |
| CN107394309B (en) * | 2017-07-26 | 2019-11-05 | 南通沃特光电科技有限公司 | A kind of heat sink of batteries of electric automobile group and a kind of battery pack of electric car |
| CN111201657A (en) * | 2017-10-11 | 2020-05-26 | 株式会社丰田自动织机 | Electricity storage module |
| CN111201657B (en) * | 2017-10-11 | 2023-09-08 | 株式会社丰田自动织机 | Power storage module |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201637264A (en) | 2016-10-16 |
| KR102488346B1 (en) | 2023-01-13 |
| JP2016207267A (en) | 2016-12-08 |
| CN205723858U (en) | 2016-11-23 |
| CN106058363B (en) | 2020-04-17 |
| KR20160123246A (en) | 2016-10-25 |
| TWI699925B (en) | 2020-07-21 |
| JP6611455B2 (en) | 2019-11-27 |
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