CN205960032U - Extranal packing body and power storage device for power storage device - Google Patents
Extranal packing body and power storage device for power storage device Download PDFInfo
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- CN205960032U CN205960032U CN201620348899.0U CN201620348899U CN205960032U CN 205960032 U CN205960032 U CN 205960032U CN 201620348899 U CN201620348899 U CN 201620348899U CN 205960032 U CN205960032 U CN 205960032U
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- 238000003860 storage Methods 0.000 title claims abstract description 72
- 238000012856 packing Methods 0.000 title claims abstract description 65
- 229910052751 metal Inorganic materials 0.000 claims abstract description 289
- 239000002184 metal Substances 0.000 claims abstract description 289
- 239000003792 electrolyte Substances 0.000 claims abstract description 72
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 56
- 238000007747 plating Methods 0.000 claims abstract description 43
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 23
- 150000004706 metal oxides Chemical class 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims description 53
- 229920005989 resin Polymers 0.000 claims description 53
- 239000011347 resin Substances 0.000 claims description 53
- 239000007773 negative electrode material Substances 0.000 claims description 21
- 239000007774 positive electrode material Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 19
- 230000008569 process Effects 0.000 claims description 15
- 239000007769 metal material Substances 0.000 claims description 12
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 239000010931 gold Substances 0.000 claims description 6
- 229910052737 gold Inorganic materials 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 2
- 239000012752 auxiliary agent Substances 0.000 abstract description 20
- 238000005260 corrosion Methods 0.000 abstract description 19
- 230000007797 corrosion Effects 0.000 abstract description 19
- 239000011230 binding agent Substances 0.000 abstract description 16
- 239000010410 layer Substances 0.000 description 255
- 239000012790 adhesive layer Substances 0.000 description 22
- 238000012545 processing Methods 0.000 description 18
- 239000007767 bonding agent Substances 0.000 description 14
- 238000006243 chemical reaction Methods 0.000 description 12
- -1 polyethylene Polymers 0.000 description 12
- 239000000126 substance Substances 0.000 description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 11
- 239000000203 mixture Substances 0.000 description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 8
- 229910052744 lithium Inorganic materials 0.000 description 8
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 7
- 229920002239 polyacrylonitrile Polymers 0.000 description 7
- 239000002033 PVDF binder Substances 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 239000006229 carbon black Substances 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 6
- 239000004743 Polypropylene Substances 0.000 description 5
- 239000002253 acid Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 239000005030 aluminium foil Substances 0.000 description 5
- 239000012528 membrane Substances 0.000 description 5
- 229920001155 polypropylene Polymers 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 239000011651 chromium Substances 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000011888 foil Substances 0.000 description 4
- 229910052759 nickel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 3
- 239000004698 Polyethylene Substances 0.000 description 3
- 150000001336 alkenes Chemical class 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 239000003990 capacitor Substances 0.000 description 3
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 238000005868 electrolysis reaction Methods 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
- 238000009413 insulation Methods 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 229920001707 polybutylene terephthalate Polymers 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 238000007789 sealing Methods 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
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920001661 Chitosan Polymers 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- OCKPCBLVNKHBMX-UHFFFAOYSA-N butylbenzene Chemical compound CCCCC1=CC=CC=C1 OCKPCBLVNKHBMX-UHFFFAOYSA-N 0.000 description 2
- BFGKITSFLPAWGI-UHFFFAOYSA-N chromium(3+) Chemical class [Cr+3] BFGKITSFLPAWGI-UHFFFAOYSA-N 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- FLKPEMZONWLCSK-UHFFFAOYSA-N diethyl phthalate Chemical compound CCOC(=O)C1=CC=CC=C1C(=O)OCC FLKPEMZONWLCSK-UHFFFAOYSA-N 0.000 description 2
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 2
- 239000002552 dosage form Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 235000008434 ginseng Nutrition 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229910052755 nonmetal Inorganic materials 0.000 description 2
- 229920006284 nylon film Polymers 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
- 229920006267 polyester film Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- KKEYFWRCBNTPAC-UHFFFAOYSA-N benzene-dicarboxylic acid Natural products OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 description 1
- 229920006233 biaxially oriented polyamide Polymers 0.000 description 1
- 210000000170 cell membrane Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 229920000554 ionomer Polymers 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- GELKBWJHTRAYNV-UHFFFAOYSA-K lithium iron phosphate Chemical compound [Li+].[Fe+2].[O-]P([O-])([O-])=O GELKBWJHTRAYNV-UHFFFAOYSA-K 0.000 description 1
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/64—Carriers or collectors
- H01M4/66—Selection of materials
- H01M4/661—Metal or alloys, e.g. alloy coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/117—Inorganic material
- H01M50/119—Metals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/121—Organic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/131—Primary casings; Jackets or wrappings characterised by physical properties, e.g. gas permeability, size or heat resistance
- H01M50/133—Thickness
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/14—Primary casings; Jackets or wrappings for protecting against damage caused by external factors
- H01M50/145—Primary casings; Jackets or wrappings for protecting against damage caused by external factors for protecting against corrosion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/409—Separators, membranes or diaphragms characterised by the material
- H01M50/449—Separators, membranes or diaphragms characterised by the material having a layered structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/545—Terminals formed by the casing of the cells
-
- 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)
- Inorganic Chemistry (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Secondary Cells (AREA)
Abstract
The utility model relates to a do not need utmost point ear just can switch on to make simultaneously the extranal packing body and power storage device for power storage device who exposes partial corrosion resistance (anti electrolyte performance etc. ) improvement on the metal level of the constitution extranal packing body that becomes problem point. The utility model discloses a structure of the extranal packing body is to have: thermoplastic resin layer (4) of metal level (2) and a range upon range of face at this metal level (2), conductive part (56) that by thermoplastic resin layer are covered are provided with not in the part of a face of metal level (2), as above -mentioned metal level (2), use (A) to implement the metal forming that the plating was handled at the single face at least, (B, ) by covering NULL's metal forming, (C, ) at least in the range upon range of metal forming that has the conductive metal oxide of single face, perhaps (D) is at least in the range upon range of metal forming that has the electric conductivity overburden that contains electrically conductive auxiliary agent and binder of single face.
Description
Technical field
This utility model is related to one kind and stores as mobile device accumulator, storage battery loaded onto vehicle, regeneration energy regenerating
Electrical storage device and the external packing body for such electrical storage device that battery, capacitor (electric capacity) etc. are used.
Background technology
In recent years, along with the slimming of the portable sets such as smart mobile phone, tablet terminal, lightweight, as being equipped on
The lithium rechargeable battery of these portable sets, the housing material of lighium polymer secondary battery, using double in metal forming
The cascade type housing material of resin film is pasted with face to replace conventional canister.Equally also research has and will employ
The capacitor of cascade type housing material, electric capacity etc. are installed on the technology of IC-card, electronic equipment as stand-by power supply.
As resin film is pasted onto metal forming two-sided on cascade type housing material in be accommodated with battery
The battery of main part, is known to following battery, and this battery is, for example, to receive in the airtight housing material being made up of flexible membrane
Receiving positive pole stacked together, shim, negative pole and the battery being made up of electrolyte constitutes the card type battery of material, on
State housing material using the stacked film (reference that thermoplastic resin, metal forming and thermoplastic resin are stacked gradually and constituted
Patent documentation 1).
Patent documentation 1：Japanese Unexamined Patent Publication 2005-56854 publication
But, in the battery described in patent documentation 1, since it is desired that the lug line (lead) that setting is derived from electrode,
So there is a problem of increasing corresponding parts count.Additionally, since it is desired that making this lug line be fixed on cascade type outer package material
The heat seal lands of the periphery of material, so there is also increase corresponding manufacturing man-hours and spending more the problem taken time and energy.
Utility model content
This utility model in view of background of related and make, its object is to provide a kind of electrical storage device and electrical storage device
With external packing body, this electrical storage device and electrical storage device external packing body do not need lug just can be energized, and become simultaneously
The corrosion resistance (anti-electrolyte capability etc.) of the expose portion on the metal level of composition external packing body of problem points improves.
In order to reach above-mentioned purpose, this utility model provides technical scheme below.
[1] a kind of electrical storage device external packing body is it is characterised in that have：
Metal level and be laminated in this metal level a face thermoplastic resin layer,
In the conductive part being partially provided with not covered by described thermoplastic resin layer in a face of described metal level,
As described metal level, (A) can be used at least to implement the metal forming of plating process, (B) by covering in one side
The metal forming that material is constituted, (C) are at least laminated with the metal forming of conductive metal oxide or (D) at least in list in one side
Surface layer is laminated with comprising the metal forming of the conductive cover layer of conductive auxiliary agent and binding agent.
[2] a kind of electrical storage device external packing body is it is characterised in that have：
Metal level and be laminated in this metal level a face thermoplastic resin layer,
In the conductive part being partially provided with not covered by described thermoplastic resin layer in a face of described metal level,
As described metal level, (A) can be used at least to implement plating on the face by described thermoplastic resin layer side
Process metal forming, (B) be made up of clad material, at least on the face by described thermoplastic resin layer side, be configured with anti-electrolysis
The metal forming of the good metal material of matter performance, (C) are at least laminated with conductive gold on the face by described thermoplastic resin layer side
Belong to the metal forming of oxide or (D) be at least laminated with the face by described thermoplastic resin layer side comprise conductive auxiliary agent and
The metal forming of the conductive cover layer of binding agent.
[3] the electrical storage device external packing body according to the above-mentioned first or second technical scheme, in described metal level
Another face on be laminated insulating resin film, and another face of described metal level local setting by described insulation tree
The portion of terminal that adipose membrane covers.
[4] a kind of electrical storage device is it is characterised in that have：
The electrical storage device external packing body described in any one of above-mentioned 1st～3 technical scheme of two panels；
Apparatus main body portion,
To make the space described in two panels between external packing body configuring in the way of thermoplastic resin layer each other is facing
Middle storage described device main part, the conductive part of the electrode of described device main part and described external packing body connects, and by two
The thermoplastic resin layer of the circumference of external packing body described in piece is bonded with each other and is packaged.
Can also be a kind of electrical storage device it is characterised in that having：
Electrical storage device external packing body described in two panels technique scheme 1 or 2；
Apparatus main body portion,
To make the space described in two panels between external packing body configuring in the way of thermoplastic resin layer each other is facing
Middle storage described device main part, the negative pole of described device main part is connected with the conductive part of the external packing body of described side, institute
The positive pole stating apparatus main body portion is connected with the conductive part of the external packing body of described opposite side, described in being connected with described negative pole
The metal level of the external packing body of side, can use and be provided with Ni plating on the face at least leaning on described device main part side of Cu paper tinsel
The metal level of coating, and the thermoplastic resin layer of the circumference of the external packing body described in two panels is bonded with each other is sealed
Dress.
Furthermore, it is possible to be that the thickness of described Cu paper tinsel is 15 μm～155 μm, the thickness of described Ni plating layer is 0.5 μm～5 μ
m.
[5] a kind of electrical storage device is it is characterised in that have：
Positive pole portion, its positive pole work comprising the first metal layer and being laminated in the regional area in a face of this first metal layer
Property material layer；
Negative pole portion, its negative pole work comprising second metal layer and being laminated in the regional area in a face of this second metal layer
Property material layer；
Shim, it configures between described positive pole portion and described negative pole portion,
It is configured with described positive electrode active material layer between described the first metal layer and described shim, in described second gold medal
Belong to and be configured with described negative electrode active material layer between layer and described shim,
As described the first metal layer and described second metal layer, use (A) at least on the face by described shim side
Implement plating process metal forming, (B) be made up of clad material, at least on the face by described shim side, be configured with anti-electricity
The good metal forming of metal material of solution matter performance, (C) are at least laminated with conductive metal oxygen on the face by described shim side
The metal forming of compound or (D) are at least laminated with the face by described shim side and comprise leading of conductive auxiliary agent and binding agent
The electrically metal forming of cover layer,
By the periphery encapsulated layer containing thermoplastic resin by one face of the first metal layer in described positive pole portion
It is formed without the circumference region of positive electrode active material layer and the non-shape in one face of second metal layer in described negative pole portion
The circumference region having negative electrode active material layer is become to be joined together.
[6] electrical storage device according to the 5th technical scheme, stacking the on another face of described the first metal layer
One insulating resin film, and being partially provided with not by described first insulating resin film in another face of described the first metal layer
The positive terminal portion covering,
Second insulating resin film is laminated on another face of described second metal layer, and in described second metal layer
The negative electrode terminal portion being partially provided with not covered by described second insulating resin film in another face.
It is also possible that as described second metal layer, arranging using on the face at least leaning on described shim side of Cu paper tinsel
There is the metal level of Ni plating layer.
It is also possible that the thickness of described Cu paper tinsel is 15 μm～155 μm, the thickness of described Ni plating layer is 0.5 μm～5 μm.
In the technical scheme of [1], the conductive part (metal level) being connected with apparatus main body portion is formed as the one of external packing body
Part, even if do not use lug can be energized yet.Due to eliminating lug, it is possible to contribute to electrical storage device lightweight and
Miniaturization.Additionally, at least one side of metal level is by being configured with the good metal of anti-electrolyte capability in plating processing unit, clad material
The configuration section of material, conductive metal oxide or conductive cover layer are formed, and these layers (portion) have anti-electrolyte capability
And it is outstanding in terms of corrosion resistance, therefore, it is possible to improve corrosion resistance (the anti-electrolysis of the metal level (conductive part) as barrier layer
Matter performance etc.).
In the technical scheme of [2], the conductive part (metal level) being connected with apparatus main body portion is formed as the one of external packing body
Part, even if do not use lug can be energized yet.Due to eliminating lug, it is possible to contribute to electrical storage device lightweight and
Miniaturization.Additionally, the thermoplastic resin layer side of metal level is good by being configured with anti-electrolyte capability in plating processing unit, clad material
The configuration section of metal material, conductive metal oxide or conductive cover layer formed, these layers (portion) have anti-electrolysis
Matter performance and outstanding in terms of corrosion resistance, therefore, it is possible to improve the special of the metal level (conductive part) being used simultaneously as barrier layer
It is the corrosion resistance (anti-electrolyte capability etc.) at exposed portion.Thus, for example, the electrical storage device meeting being constituted using this external packing body
It is not likely to produce electrolyte leakage etc..
In the technical scheme of [3], another face of metal level is laminated insulating resin film, (in addition to portion of terminal
Part) insulating properties can be substantially ensured that it is also possible to guarantee physical strength, and being partially provided with another face of metal level
The exposed portion (portion of terminal) not covered by insulating resin film, therefore, it is possible to be energized by this exposed portion (portion of terminal).
In the technical scheme (electrical storage device) of [4], employ any one external packing body in above-mentioned [1]～[3] and constitute storage
Electric installation, therefore, even if not using lug also can be energized, is capable of lightweight and miniaturization, and can suppress outsourcing
Fill the corrosion of metal level (conductive part) of body and be not likely to produce electrolyte leakage etc..
In the technical scheme of [5], the first metal layer constituting positive pole portion and the second metal layer constituting negative pole portion are also
The metal level of the function of housing material as electrical storage device can be played, i.e. first and second metal level can play electrode
(conductive part) and housing material both functions, therefore, even if do not use lug can be energized yet.Due to removing lug, energy
Enough realize lightweight and the miniaturization of electrical storage device.Additionally, the first metal layer and second metal layer (are leaned on electrolyte interface
On the face of shim side) it is configured with plating processing unit, be configured with joining of the good metal material of anti-electrolyte capability in clad material
Put portion, conductive metal oxide or conductive cover layer, these layers (portion) have anti-electrolyte capability and in corrosion resistance
Aspect is outstanding, therefore, it is possible to improve the corrosion resistance at the particularly exposed portion of the metal level being used simultaneously as barrier layer.Therefore,
This electrical storage device is not likely to produce electrolyte leakage etc..
In the technical scheme of [6], another face of first and second metal level is laminated insulating resin film respectively, (except end
Part beyond sub-portion) insulating properties can be substantially ensured that it is also possible to guarantee physical strength, and another in first and second metal level
The exposed portion (portion of terminal) being partially provided with not covered by insulating resin film in one face, therefore, it is possible to by this exposed portion (end
Sub-portion) it is energized.
Brief description
Fig. 1 is the sectional view of an embodiment of the electrical storage device representing the 1st technical scheme.
Fig. 2 is the top view of the electrical storage device of Fig. 1.
Fig. 3 is the axonometric chart of an embodiment of the electrical storage device representing the 2nd technical scheme.
Fig. 4 is the sectional view of the line B-B of Fig. 3.
Fig. 5 is the sectional view of another embodiment of the electrical storage device representing the 2nd technical scheme.
Description of reference numerals
1st, electrical storage device；2nd, the first metal layer；2A, the first metal forming；2B, plating processing unit, anti-electrolyte capability are good
Metal material configuration section, conductive metal oxide layer, conductive cover layer；3rd, positive electrode active material layer；4th, the first thermoplasticity
Resin bed；5th, electrolyte；8th, the first insulating resin film layer；9th, the first exposed portion (positive terminal portion)；12nd, second metal layer；
12A, the second metal forming；The good metal material configuration section of 12B, plating processing unit, anti-electrolyte capability, conductive metal oxide
Layer, conductive cover layer；13rd, negative electrode active material layer；14th, the second thermoplastic resin layer；15th, electrolyte；18th, the second insulation tree
Adipose membrane layer；19th, the second exposed portion (negative electrode terminal portion)；21st, shim；22nd, positive pole portion；23rd, negative pole portion；31st, periphery encapsulated layer；
50th, external packing body；54th, negative conductive portion；56th, positive conductive portion；60th, apparatus main body portion.
Specific embodiment
Fig. 1, an embodiment of the electrical storage device 1 of 2 expression the 1st technical schemes.This electrical storage device 1 is cascade type exterior electricity
Pond, has the plain battery 60 as apparatus main body portion and the external package casing 45 receiving this plain battery 60.
As shown in Figure 1, 2, external package casing 45 is the gabarit chi of the flange 53 by main body 51 and size and aforementioned body 51
The combination of very little identical lid (bottom) 55 is made, and this main body 51 has the recess 52 that top view is square and recessed from this
The flange 53 that the opening edge in portion 52 extends in outward direction.Above-mentioned recess 52 is formed as the storage space of plain battery 60.
As the constituent material of aforementioned body 51, use with second metal layer 12, be laminated in this second metal layer
12 second thermoplastic resin layer 14 in a face (the first face) and another face (being laminated in above-mentioned second metal layer 12
Two faces) the second insulating resin film 18 external packing body 50.In this external packing body 50, at one of above-mentioned second metal layer 12
The negative conductive portion 54 being partially provided with not covered by above-mentioned second thermoplastic resin layer in face.In the present embodiment, upper
The central part stating a face of second metal layer 12 forms above-mentioned negative conductive portion 54.Additionally, in above-mentioned second metal layer 12
The negative electrode terminal portion 19 being partially provided with not covered by above-mentioned second insulating resin film in another face.In the present embodiment,
Central part in another face of above-mentioned second metal layer 12 forms above-mentioned negative electrode terminal portion 19.
As the constituent material of above-mentioned lid 55, use with the first metal layer 2, be laminated in this first metal layer 2
First thermoplastic resin layer 4 in a face (the first face) and another face (second being laminated in above-mentioned the first metal layer 2
Face) the first insulating resin film 8 external packing body 50.In this external packing body 50, in a face of above-mentioned the first metal layer 2
It is partially provided with the positive conductive portion 56 not covered by above-mentioned first thermoplastic resin layer.In the present embodiment, above-mentioned
The central part in one face of one metal level 2 forms above-mentioned positive conductive portion 56.Office in another face of above-mentioned the first metal layer 2
Portion is provided with the positive terminal portion 9 not covered by above-mentioned first insulating resin film.In the present embodiment, in above-mentioned first metal
The central part in another face of layer 2 forms above-mentioned positive terminal portion 9.
Additionally, as above-mentioned the first metal layer 2, adopting in the first metal forming 2A at least by electrolyte contact side (by dress
Put main part 60 side, lean on the first thermoplastic resin layer 4 side) it is configured with the structure (reference picture of any one of several structures as follows
1)：
I) plating processing unit 2B；
Ii) configuration section 2B being configured with the good metal of anti-electrolyte capability of the metal forming being made up of clad material；
Iii) conductive metal oxide 2B；
Iv) electric conductivity covering part 2B containing conductive auxiliary agent and binding agent.
Additionally, in the present embodiment, use above-mentioned first metal forming 2A two-sided on be configured with above-mentioned plating
Processing unit 2B, configuration section 2B, conductive metal oxide 2B and electric conductivity covering part 2B any one of structure (reference
Fig. 1).Additionally, in the 1st technical scheme, above-mentioned the first metal layer 2 can also be using only exhausted by first in the first metal forming 2A
Edge resin film 8 side is configured with above-mentioned plating processing unit 2B, configuration section 2B, conductive metal oxide 2B and electric conductivity covering part
2B any one of structure.
Additionally, as above-mentioned second metal layer 12, adopting at least (leaning in the second metal forming 12A by electrolyte contact side
Apparatus main body portion 60 side, lean on the second thermoplastic resin layer 14 side) be configured with any one of several structures as follows structure (ginseng
According to Fig. 1)：
I) plating processing unit 12B；
Ii) configuration section 12B being configured with the good metal of anti-electrolyte capability of the metal forming being made up of clad material；
Iii) conductive metal oxide 12B；
Iv) electric conductivity covering part 12B containing conductive auxiliary agent and binding agent.
Additionally, in the present embodiment, processed using being configured with above-mentioned plating on two-sided in above-mentioned second metal forming 12A
Portion 12B, configuration section 12B, conductive metal oxide 12B and electric conductivity covering part 12B any one of structure (reference
Fig. 1).Additionally, in the 1st technical scheme, above-mentioned second metal layer 12 can also be exhausted using only in the second metal forming 12A second
Edge resin film 18 side is configured with above-mentioned plating processing unit 12B, configuration section 12B, conductive metal oxide 12B and electric conductivity and covers
Cap 12B any one of structure.
These the first metal layers 2, detailed construction of second metal layer 12 etc. are described below.
Aforementioned body 51 is that the above-mentioned external packing body to flat board sheet material is implemented the shaping such as bulging, drawing and forming and formed recess
52, and the not deformed part of recess 52 surrounding is trimmed to the part after the contour dimension of flange 53.On the other hand, on
Stating lid 55 is the part that the above-mentioned external packing body of flat board sheet material is cut into required size.Recess in aforementioned body 51
The inner surface setting of 52 bottom has negative conductive portion 54, has positive conductive portion 56 (reference picture in the inner surface setting of lid 55
1).Above-mentioned positive conductive portion 56 and negative conductive portion 54 make the 12B such as the plating processing unit of metal level sudden and violent using external packing body 50
The exposed portion exposed is formed.Additionally, above-mentioned positive terminal portion 9 and negative electrode terminal portion 19 make metal level using external packing body 50
The exposed portion coming out is formed.
Above-mentioned plain battery 60 be by the negative pole 62 of the positive pole 61 of sheet and sheet across shim 63 stacking get up and
Become, this plain battery 60 is accommodated in the space between the above-mentioned external packing body of two panels 50, the end of positive pole 61 and external packing body 50
Positive conductive portion 56 connects, and the end of negative pole 62 is connected (with reference to Fig. 1) with the negative conductive portion 54 of external packing body 50.
Above-mentioned electrical storage device 1 is constituted as follows：In the positive pole 61 by plain battery 60 and positive conductive portion 56, negative pole 62
After engaging respectively with negative conductive portion 54, plain battery 60 is accommodated in the recess 52 of main body 51 and covers lid 55, reserve
Electrolyte injection opening ground seals to the thermoplastic resin layer 4,14 of the flange 53 of main body 51 and the contact site of lid 55, in note
Complete to encapsulate by above-mentioned electrolyte injection opening is carried out with heat-sealing after having entered electrolyte.
In above-mentioned electrical storage device 1, positive terminal portion 9 and negative electrode terminal portion 19 are provided with external packing body 50, therefore,
Energising can be formed with other equipment by these portion of terminal to be connected.
Joint as above-mentioned positive pole 61 and the juncture, above-mentioned negative pole 62 and negative conductive portion 54 in positive conductive portion 56
Mode, and be not particularly limited, for example ultrasonic bonding, welding can be exemplified and carry out bonding using conductive adhesive
Deng.
In the electrical storage device of above-mentioned 1st technical scheme, the conductive part (metal that is connected with plain battery (apparatus main body portion)
Layer) be formed as the part of external packing body, therefore, even if not using lug also can be energized.By removing lug, it is capable of
The lightweight of electrical storage device and miniaturization.Additionally, metal level by the face with electrolyte contact side, there is anti-electrolyte capability and
Outstanding in terms of corrosion resistance, even if the thermoplastic resin film with anti-electrolyte capability is being removed in order to arrange conductive part
Metal level exposed portion (conductive part) place it is also possible to maintain and improve corrosion resistance (anti-electrolyte capability etc.).Therefore, this storage
Electric installation is not likely to produce electrolyte leakage etc..
Next, an embodiment of Fig. 3, the electrical storage device of 4 expression the 2nd technical schemes.This electrical storage device 1 has positive pole
Portion 22, negative pole portion 23 and shim 21 (with reference to Fig. 4).It is configured with separation between above-mentioned positive pole portion 22 and above-mentioned negative pole portion 23
Piece 21 (with reference to Fig. 4).
Above-mentioned positive pole portion 22 comprises the first metal layer 2 and the face (shim face) being laminated in this first metal layer 2
Regional area positive electrode active material layer 3.In the present embodiment, positive electrode active material layer 3 is laminated in above-mentioned first metal
The central part (region in addition to circumference) in one face (shim face) of layer 2.Additionally, in the present embodiment it is illustrated that
Going out above-mentioned the first metal layer 2 is to implement the metal forming of plating process or this situation of metal forming being made up of clad material,
Adhesive layer 7 is layered in the entire surface in a face (shim face) of above-mentioned the first metal layer 2.I.e., in the present embodiment,
By above-mentioned adhesive layer 7, above-mentioned positive electrode active material layer 3 is laminated in a face of above-mentioned the first metal layer 2 (by shim side
Face) (with reference to Fig. 4).Additionally, in the first metal layer 2 using being laminated the conductive cover layer comprising conductive auxiliary agent and binding agent
Metal forming in the case of it is also possible to be not provided with above-mentioned adhesive layer 7.
Above-mentioned negative pole portion 23 comprises second metal layer 12 and is laminated in a face of this second metal layer 12 (by shim side
Face) regional area negative electrode active material layer 13.In the present embodiment, negative electrode active material layer 13 is laminated in above-mentioned
The central part (region in addition to circumference) in one face (by the face of shim side) of two metal levels 1.Additionally, in this embodiment party
It is illustrated that above-mentioned second metal layer 12 is to implement the metal forming of plating process or the metal forming being made up of clad material in formula
This situation, adhesive layer 17 is layered in the entire surface in a face (by the face of shim side) of above-mentioned second metal layer 12.That is,
In the present embodiment, by above-mentioned adhesive layer 17, above-mentioned negative electrode active material layer 13 is laminated in above-mentioned second metal layer 12
One face (by the face of shim side) (with reference to Fig. 4).Additionally, comprising conductive auxiliary agent and viscous in second metal layer 12 using being laminated
It is also possible to be not provided with above-mentioned adhesive layer 17 in the case of the metal forming of conductive cover layer of knot agent.
Above-mentioned positive electrode active material layer 3 configures between above-mentioned the first metal layer 2 and above-mentioned shim 21, and above-mentioned negative pole is lived
Property material layer 13 configure between above-mentioned second metal layer 12 and above-mentioned shim 21 (with reference to Fig. 4).
In the 2nd technical scheme, as above-mentioned the first metal layer 2, using at least leaning on electrolyte in the first metal forming 2A
Contact side (apparatus main body portion side 60) is configured with the structure (with reference to Fig. 4) of any one of several structures as follows：
I) plating processing unit 2B；
Ii) configuration section 2B being configured with the good metal of anti-electrolyte capability of the metal forming being made up of clad material；
Iii) conductive metal oxide 2B；
Iv) electric conductivity covering part 2B containing conductive auxiliary agent and binding agent.
Additionally, as above-mentioned second metal layer 12, (being filled using the electrolyte contact side that at least leans in the second metal forming 12A
Put main part side 60) it is configured with the structure (with reference to Fig. 4) of any one of several structures as follows：
I) plating processing unit 12B；
Ii) configuration section 12B being configured with the good metal of anti-electrolyte capability of the metal forming being made up of clad material；
Iii) conductive metal oxide 12B；
Iv) electric conductivity covering part 12B containing conductive auxiliary agent and binding agent.
These the first metal layers 2, detailed construction of second metal layer 12 etc. are described below.
Additionally, as shown in Figure 5 it is also possible to adopt following structure：As above-mentioned the first metal layer 2, use first
Metal forming 2A two-sided on be formed with above-mentioned plating processing unit 12B, configuration section 12B, conductive metal oxide 12B or conduction
Property covering part 12B metal level, as above-mentioned second metal layer 12, use the second metal forming 12A two-sided on formed
There are above-mentioned plating processing unit 12B, the metal level of configuration section 12B, conductive metal oxide 12B or electric conductivity covering part 12B.
Circumference in the said one face (by the face of shim 21 side) of the first metal layer 2 in above-mentioned positive pole portion 22 exists
It is formed without the region of positive electrode active material layer, and (lean in the said one face of the second metal layer 12 in above-mentioned negative pole portion 23
The face of shim 21 side) circumference exist and be formed without the region of negative electrode active material layer.Then, by containing thermoplastic resin
The periphery encapsulated layer 31 of fat is formed without positive active material by the said one face of the first metal layer 2 in above-mentioned positive pole portion 22
Layer circumference region and above-mentioned negative pole portion 23 the said one face of second metal layer 12 be formed without negative electrode active material
The circumference region of layer is joined together to be packaged (with reference to Fig. 4).The circumference of above-mentioned shim 21 becomes entrance, is engaged to
The state (with reference to Fig. 4) of the pars intermedia of short transverse (thickness direction) of the inner peripheral surface of above-mentioned periphery encapsulated layer 31.
In the present embodiment, using following structure：In the first metal layer 2 being laminated in above-mentioned positive pole portion 22 above-mentioned one
The circumference region being formed without positive electrode active material layer of the adhesive layer 7 in individual face is laminated the first periphery bond layer 6, in stacking
In the said one face of the second metal layer 12 in above-mentioned negative pole portion 23 adhesive layer 17 be formed without negative electrode active material layer
Circumference region is laminated second week edge bond layer 16, and this two bond layer 6,16 engages by above-mentioned periphery encapsulated layer 31
Come to be packaged together (Fig. 4 reference).
Electrolyte 5 is enclosed between above-mentioned shim 21 and above-mentioned positive electrode active material layer 3.Additionally, by electrolyte 15 envelope
Enter (Fig. 4 reference) between above-mentioned shim 21 and above-mentioned negative electrode active material layer 13.Just being formed without of above-mentioned the first metal layer 2
The circumference region being formed without negative electrode active material layer of the circumference region of pole active material layer and second metal layer 12 is borrowed
Help above-mentioned periphery encapsulated layer 31 to be joined together to be packaged together, be prevented from the leakage of electrolyte 5,15.That is, by above-mentioned first
The adhesive layer 7 of the inner surface side of metal level 2 and by above-mentioned second metal layer 12 the adhesive layer 17 of inner surface side between, by upper
State in the closing space that periphery encapsulated layer 31, the first periphery bond layer 6 and the second periphery bond layer 16 surround, from first
Metal level 2 side is risen and is configured and enclose positive electrode active material layer 3, electrolyte 5, shim 21, electrolyte 15, negative electrode active material successively
Matter layer 13 (Fig. 4 reference).
In the present embodiment, also there is structure as following.That is, above-mentioned the first metal layer 2 another face (with
Face by the face opposition side of shim side) on, to leave the first exposed portion (positive terminal portion) making this first metal layer 2 expose
9 state, be laminated the first insulating resin film 8, and above-mentioned second metal layer 12 another face (by with by shim side
The face of face opposition side) on, to leave the state of the second exposed portion (negative electrode terminal portion) 19 making this second metal layer expose, stacking
Second insulating resin film 18.In the present embodiment, in another face of above-mentioned the first metal layer 2 (with the face by shim side
The face of opposition side) on, to leave the state of the first exposed portion 9 making this first metal layer expose, by the 3rd bond layer 41
It is laminated the first insulating resin film 8, in another face (face with the face opposition side by shim side) of above-mentioned second metal layer 12,
To leave the state of the second exposed portion 19 making this second metal layer expose, by the 4th bond layer 42 stacking the second insulation tree
Adipose membrane 18.Additionally, in the present embodiment, above-mentioned first exposed portion (positive terminal portion) 9 is arranged at the another of the first metal layer 2
The middle section in individual face, above-mentioned second exposed portion (negative electrode terminal portion) 19 is arranged at the central authorities in another face of second metal layer 12
Region (with reference to Fig. 3,4).
In above-mentioned electrical storage device 1, first and second metal level plays electrode (conductive part) and this work(of external packing body material
Can, therefore, even if not using lug can be energized yet.Due to removing lug, it is possible to realize electrical storage device lightweight and
Miniaturization.
Additionally, there are the positive terminal portion 9 conducting with positive pole and the negative electrode terminal portion 19 conducting with negative pole, therefore,
Can be energized by this two portion of terminal 9,19.
Additionally, as the first metal layer and second metal layer at least one of metal level, using in metal forming extremely
It is configured with least structure of any one that thing is constructed as below by electrolyte contact side (apparatus main body portion side 60) less：
I) plating processing unit；
Ii) the configuration section being configured with the good metal of anti-electrolyte capability of the metal forming being made up of clad material；
Iii) conductive metal oxide；
Iv) the electric conductivity covering part containing conductive auxiliary agent and binding agent；
The structures such as these processing units have an anti-electrolyte capability and outstanding in terms of corrosion resistance, on making
The corrosion resistance stating the particularly exposed portion of metal level improves.Therefore, this electrical storage device is not likely to produce electrolyte leakage etc..
Additionally, by the both sides that insulating resin film 8,18 is layered in device, (part in addition to portion of terminal) can fill
Dividing guarantees insulating properties, and also can substantially ensure that physical strength.Thus, it is also possible to abundant tackle electric power storage of the present utility model
Device 1 is installed on and requires the position with insulating properties, has these situations of irregular position.
And, because not needing conventional lead, also would not occur electrical storage device discharge and recharge when heating to lead
Around the phenomenon concentrated, by the first metal layer 2 constituting positive pole portion and the second metal layer 12 in negative pole portion can be constituted make to send out
Thermal expansion is scattered in the two-sided entire surface of electrical storage device 1 such that it is able to the life-span extending electrical storage device 1 (that is, is obtained in that longevity
The electrical storage device of life).Additionally, because not needing lead, it is possible to reduce corresponding manufacturing cost.
In this utility model, as above-mentioned the first metal layer 2 and above-mentioned second metal layer 12, using in metal forming extremely
It is configured with, on few one side, the structure that thing any one of is constructed as below：
I) plating processing unit；
Ii) the configuration section being configured with the good metal of anti-electrolyte capability of the metal forming being made up of clad material；
Iii) conductive metal oxide；
Iv) the electric conductivity covering part containing conductive auxiliary agent and binding agent.
These i)～iv) material be respectively provided with anti-electrolyte capability and outstanding in terms of corrosion resistance.
Describe above-mentioned metal level 2,12 in detail.First, as the metal (plating material) constituting plating layer, especially do not limit
Fixed, for example can enumerate Ni, Al etc..If represented with specific composition, for example, as metal forming (2A, 12A)/plating layer
(2B, 12B), can enumerate SUS (rustless steel)/Ni, Cu/Ni, SUS (rustless steel)/Al etc..The thickness of above-mentioned metal forming preferably 15
μm～155 μm.Additionally, preferably 0.5 μm～5 μm of the thickness of plating layer.Additionally, as the above-mentioned plating layer enumerated, preferably
Al is used in negative side (12B) used in side of the positive electrode (2B), by Cu, SUS.
As above-mentioned metal level 2,12, in the case of using " metal forming being made up of clad material ", as such
Clad material (the 1st layer (2A, 12A)/2nd layer (2B, 12B)), can enumerate Cu/Ni, Cu/Al, Al/Ni, SUS (rustless steel)/
Ni, SUS (rustless steel)/Al etc..In addition it is also possible to be the three-deckers such as Ni/Cu/Ni.In which case it is preferable that, by wrapping
The thickness of the metal forming that layer material is constituted is 15 μm～155 μm.In which case it is preferable that, the 2nd layer segment of clad material
Become electrolyte interface.That is, in foregoing illustrative metal forming, the 2nd layer of the metal metal than the 1st layer is in potential resistance to electrolyte contamination
Energy aspect is outstanding (anti-electrolyte capability is more preferable).As above-mentioned 2nd layer (layer by electrolyte contact side of clad material), preferably
, the configuration metal material lower than the ionization tendency of the 1st layer of metal material is it is more preferable that configuration is led to as Al etc.
Often relatively thin oxide-film can be covered on surface under state and form the metal material of passive state.The relatively low metal material of ionization tendency
The corrosion resistance (anti-electrolyte capability) of material is higher.But, even " the higher metal of ionization tendency ", as long as " being formed
Have the metal of passive state ", then just than the corrosion resistance (potential resistance to electrolyte contamination of " ionization tendency relatively low but the metal that do not form passive state "
Can) high.
As above-mentioned metal level 2,12, in the case of using " being laminated the metal forming of conductive metal oxide ", and
It is not particularly limited, as metal forming 2A, 12A, for example, can use Al, Cu, Ni, SUS, Ti etc., as conductive metal oxidation
Thing 2B, 12B, for example, can enumerate SnO2、TiO2, ZnO etc..Preferably, by the above-mentioned conductive metal of 0.1 μm～1 μm of thickness
Oxide skin(coating) is coated on metal forming 2A, 12A.Moreover it is preferred that the thickness of metal forming is 15 μm～155 μm.
As above-mentioned metal level 2,12, in the situation using " conductive cover layer containing conductive auxiliary agent and binding agent "
Under, as metal forming 2A, 12A, and it is not particularly limited, for example, can use Al, Cu, Ni, SUS, Ti etc., as conductive auxiliary agent,
And be not particularly limited, for example can enumerate CB (white carbon black), CNT (CNT) etc..Additionally, as binding agent (bonding agent), and
Be not particularly limited, for example can enumerate PVDF (Kynoar), SBR (butadiene-styrene rubber), CMC (sanlose),
PAN (polyacrylonitrile), straight chain formula polysaccharide etc..Generally, above-mentioned conductive auxiliary agent and binding agent are mixed respectively, using organic solvent
After carrying out pulp, after being coated in metal forming using rotogravure application method etc., conductive cover layer can be formed by drying.Excellent
Choosing, the thickness of above-mentioned conductive cover layer is set as 0.1 μm～20 μm.Additionally, using conductive auxiliary agent and binding agent
In the case of, because can fully improve and active substance, interelectrode fluid-tight engagement, above-mentioned bonding can also be not provided with
Layer 7,17.
Above-mentioned positive electrode active material layer 3 is simultaneously not particularly limited, such as by by salt (for example, cobalt acid lithium, lithium nickelate, iron phosphate
Lithium, LiMn2O4 etc.) it is added to PVDF (Kynoar), SBR (butadiene-styrene rubber), CMC (sanlose etc.), PAN
Blend compositions of binding agents such as (polyacrylonitrile) etc. are formed.Preferably, the thickness of above-mentioned positive electrode active material layer 3 sets
It is set to 2 μm～300 μm.
The conductive auxiliary agents such as white carbon black, CNT (CNT) can also also be contained in above-mentioned positive electrode active material layer 3.
As above-mentioned adhesive layer 7, and it is not particularly limited, for example, can enumerate and to be formed by PVDF, SBR, CMC, PAN etc.
Layer, for example, formed by being coated in the said one face (by face of shim 21 side) of the first metal layer 2.
In order that the electric conductivity between the first metal layer 2 and positive electrode active material layer 3 improves, can also be by white carbon black, CNT
Conductive auxiliary agents such as (CNTs) is added in above-mentioned adhesive layer 7.
Preferably, the thickness of above-mentioned adhesive layer 7 is set as 0.2 μm～10 μm.By the thickness of above-mentioned adhesive layer 7 is set
It is scheduled on less than 10 μm, can greatly suppress bonding agent itself so that the situation that the internal driving of electrical storage device 1 increases is occurred.
Although above-mentioned adhesive layer 7 can also be not provided with, in order that the first metal layer 2 and positive electrode active material layer 3
Cohesive improves it is preferred that being arranged on above-mentioned adhesive layer 7 between the first metal layer 2 and positive electrode active material layer 3.
As above-mentioned first periphery bond layer 6, and it is not particularly limited it is preferred that being to be glued by two-solution curing type alkene
Connect the layer of dosage form one-tenth.In the case of using two-solution curing type alkene bonding agent, can be substantially prevented from drawing because of the swelling of electrolyte
The zygosity rising reduces.Preferably, the thickness of above-mentioned first periphery bond layer 6 is set as 0.5 μm～5 μm.
As above-mentioned negative electrode active material layer 13, and it is not particularly limited, such as by by additive (for example, graphite, metatitanic acid
Lithium, Si system alloy, stannum system alloy etc.) it is added to the shapes such as blend compositions in the bonding agents such as PVDF, SBR, CMC, PAN
Become.Preferably, the thickness of above-mentioned negative electrode active material layer 13 is set as 1 μm～300 μm.
The conductive auxiliary agents such as white carbon black, CNT (CNT) can also also be contained in above-mentioned negative electrode active material layer 13.
As above-mentioned adhesive layer 17, and it is not particularly limited, for example, can enumerate by PVDF (Kynoar), SBR (butylbenzene
Rubber), the layer of the formation such as CMC (sanlose etc.), PAN (polyacrylonitrile), such as by being coated in the second metal
Layer 12 said one face (by the face of shim side) and formed.
In order that the electric conductivity between second metal layer 12 and negative electrode active material layer 13 improves, can also be by white carbon black, CNT
Conductive auxiliary agents such as (CNTs) is added in above-mentioned adhesive layer 17.
Preferably, the thickness of above-mentioned adhesive layer 17 is set as 0.2 μm～10 μm.By by the thickness of above-mentioned adhesive layer 17
It is set in less than 10 μm, can greatly suppress bonding agent itself so that the situation that the internal driving of electrical storage device 1 increases is occurred.
Although above-mentioned adhesive layer 17 can also be not provided with, in order that second metal layer 12 and negative electrode active material layer 13
Cohesive improve it is preferred that above-mentioned adhesive layer 17 is arranged between second metal layer 12 and negative electrode active material layer 13.
As above-mentioned second periphery bond layer 16, and it is not particularly limited it is preferred that being to be glued by two-solution curing type alkene
Connect the layer of dosage form one-tenth.In the case of using two-solution curing type alkene bonding agent, can be substantially prevented from drawing because of the swelling of electrolyte
The zygosity rising reduces.Preferably, the thickness of above-mentioned second periphery bond layer 16 is set as 0.5 μm～5 μm.
In the above-described embodiment, above-mentioned periphery encapsulated layer (the periphery encapsulated layer containing thermoplastic resin) 31 is to be laminated
The first thermoplastic resin layer 4 and a face being laminated in second metal layer 12 in the circumference in a face of the first metal layer 2
The second thermoplastic resin layer 14 of circumference be piled up, recycle heat to be welded together and formed.As above-mentioned
One thermoplastic resin layer 4 is it is preferred that formed by thermoplastic resin unstretching film.Additionally, as above-mentioned second thermoplastic resin
Layer 14 is it is preferred that formed by thermoplastic resin unstretching film.
Above-mentioned thermoplastic resin unstretching film 4,14 and be not particularly limited it is preferred that using from by polyethylene, poly- third
At least one thermoplastic resin institute selected in alkene, the group of olefinic copolymer, their acid modifier and ionomer composition
The unstretching film being formed is constituted.
Preferably, the thickness of above-mentioned thermoplastic resin unstretching film 4,14 is respectively set as 20 μm～150 μm.
As above-mentioned shim 21,63, and it is not particularly limited, for example, can enumerate：
Polyethylene shim,
Polypropylene shim,
The shim being formed by the multilayer film that polyethylene film and polypropylene screen form,
By the wet type or the dry type porous that are coated in the heat resistant inorganic thing such as pottery on any of the above-described shim
Shim that plasma membrane is constituted etc..
Preferably, the thickness of above-mentioned shim 21,63 is set as 5 μm～50 μm.
As above-mentioned electrolyte 5,15, and it is not particularly limited it is preferred that use comprises electrolyte and the mixing of lithium salts is non-
Water system electrolyte, this electrolyte is from by ethylene carbonate, propylene carbonate, dimethyl carbonate, ethyl methyl carbonate, carbon
At least two electrolyte selected in the group of diethyl phthalate and dimethoxy-ethane composition.As above-mentioned lithium salts, not special
Do not limit, for example, can enumerate lithium hexafluoro phosphate, LiBF4 etc..As above-mentioned electrolyte 5,15, it is possible to use will be upper
State the material mixing non-water system electrolyte and PVDF, PEO (poly(ethylene oxide)) isogel.
In the space between above-mentioned the first metal layer 2 and above-mentioned second metal layer 12, surrounding is by periphery encapsulated layer 31 etc.
Surround and centre is in air-tight state, in this state, above-mentioned shim 21 and above-mentioned electrolyte 5,15 are enclosed (ginseng in this space
According to Fig. 4,5), it is possible to preventing the leakage of electrolyte.
As above-mentioned first insulating resin film 8 and the second insulating resin film 18, and it is not particularly limited it is preferred that using
Stretched polyamide film (tensile nylon film etc.) or oriented polyester film.Wherein it is therefore particularly preferred that using Biaxially oriented polyamide
Film (biaxial stretch-formed nylon membrane etc.), biaxial stretch-formed polybutylene terephthalate (PBT) (PBT) film, biaxial stretch-formed poly terephthalic acid
Glycol ester (PET) film or biaxial stretch-formed PEN (PEN) film.In addition it is also possible to be above-mentioned first exhausted
Edge resin film 8 and the second insulating resin film 18 are all formed as monolayer, or can also be above-mentioned first insulating resin films 8 and second
Insulating resin film 18 is all by the multilamellar that for example oriented polyester film/stretched polyamide film is constituted (by stretching PET film/tensile nylon film
Multilamellar constituting etc.) formed.
On above-mentioned first insulating resin film 8, it is provided for ensuring that the peristome 8X of the first metal exposed portion 9 in local
(with reference to Fig. 4,5).In the above-described embodiment, peristome 8X is arranged on the central part of the first insulating resin film 8, but not special
Do not limit such position.The plan view shape of above-mentioned peristome 8X is not defined to rectangular shape yet.
Equally, on above-mentioned second insulating resin film 18, it is provided for ensuring that opening of the second metal exposed portion 19 in local
Oral area 18X (with reference to Fig. 4,5).In the above-described embodiment, peristome 18X is arranged on the central part of the second insulating resin film 18,
But and it is not particularly limited such position.The plan view shape of above-mentioned peristome 18X is not defined to rectangular shape yet.
Preferably, the thickness of the thickness of above-mentioned first insulating resin film 8 and above-mentioned second insulating resin film 18 all sets
For 0.02mm～0.1mm.
Being provided with above-mentioned 3rd bond layer 41, in the case of above-mentioned 4th bond layer 42, as these bonding agents
41st, 42, and be not particularly limited it is preferred that using from by PAUR system bonding agent and EU system bonding
The group selected at least one bonding agent that agent is constituted.Preferably, the thickness of above-mentioned 3rd bond layer 41, the above-mentioned 4th glue
The thickness connecing oxidant layer 42 is all set as 0.5 μm～5 μm.In another face to above-mentioned first metal foil layer 2 (with shim side phase
The face tossed about) above coat and will paste the first insulating resin film 8 and by integral for both bondings be after above-mentioned 3rd bonding agent 41
Can.Additionally, gluing coating the above-mentioned 4th to another face (face with shim side opposition side) of above-mentioned second metal foil layer 12
After connecing agent 42, paste the second insulating resin film 18 and incite somebody to action both bondings integral.
In this utility model, as metal level 2,12, using implementing the metal forming of plating process, by clad material
Constitute metal forming in the case of it is preferred that in above-mentioned first metal forming at least by being configured with the face of above-mentioned shim side
Upper formation is melted into envelope.In addition, again it is preferred to, in above-mentioned second metal forming at least by being configured with above-mentioned shim side
Face on formed chemical conversion envelope.Above-mentioned chemical conversion envelope is by implementing, to the surface of metal forming, the envelope that chemical conversion treatment is formed,
By implementing such chemical conversion treatment, the corrosion of metal foil surface being caused by content (electrolyte etc.) can be substantially prevented from.
For example, by implementing following process to execute chemical conversion treatment to metal forming.That is, on the surface of the metal forming implementing ungrease treatment
On be coated with lower note 1)～3) in any one aqueous solution after, by being dried implementing chemical conversion treatment.These aqueous solutions include：
1) comprise：Phosphoric acid,
Chromic acid,
And at least oneization selected in the group that the non-metal salt of the slaine by fluoride and fluoride is constituted
The aqueous solution of the mixture of compound
2) comprise：Phosphoric acid,
Selected in the group being made up of acrylic resin, chitosan derivative resin and phenolic aldehyde system resin at least
A kind of resin,
And the mixture of at least one compound selected in the group being made up of chromic acid and chromium (III) salt is water-soluble
Liquid
3) comprise：Phosphoric acid,
Selected in the group being made up of acrylic resin, chitosan derivative resin and phenolic aldehyde system resin at least
A kind of resin,
At least one compound selected in the group being made up of chromic acid and chromium (III) salt,
And at least oneization selected in the group that the non-metal salt of the slaine by fluoride and fluoride is constituted
The aqueous solution of the mixture of compound.
Preferably, the chromium adhesion amount (each face) of above-mentioned chemical conversion envelope is 0.1mg/m2～50mg/m2, particularly preferably
, the chromium adhesion amount (each face) of above-mentioned chemical conversion envelope is 2mg/m2～20mg/m2.
Embodiment
Then, specific embodiment of the present utility model is described, this utility model is not particularly limited to these embodiments.
(embodiment 1)
Comprise polyacrylic acid, phosphorus in 40 μm of thickness, aluminium foil implementing nickel plating (1 μm of plating thickness) two-sided upper coating
The chemical synthesis treatment liquid of the compound of acid and chromium and fluorine, by being dried at 150 DEG C, makes chromium adhesion amount reach 3mg/m2,
Thus obtaining the first metal layer 2.
Then, PAUR system bonding agent is coated on a face of above-mentioned the first metal layer 2.Carrying out this painting
When covering, by the use of sheltering process (process adhesive tape is sheltered in stickup), the central part in a face of the first metal layer 2 is glued as uncoated
Connect agent region.Afterwards, the biaxial stretching polyamide film of 25 μm of thickness is pasted on this PAUR system bonding agent coated side
(the first insulating resin film) 8.Next, on another face of above-mentioned the first metal layer 2 coated acid modified polypropene bonding agent.
When carrying out this coating, using sheltering process (stickup shelter process adhesive tape) by the central part in another face of the first metal layer 2
As uncoated adhesive region.Afterwards, by 40 μm of thickness is pasted on this sour modified polypropene system bonding agent coated side
Un-stretched polypropylene film (the first thermoplastic resin layer) 4, thus obtain duplexer.
Then, along the periphery irradiating laser of the uncoated adhesive region of the first insulating resin film in above-mentioned duplexer
To cut off the first insulating resin film, remove the first insulating resin film layer of uncoated adhesive region, thus forming positive terminal
Portion 9.Additionally, along the first thermoplastic resin layer of above-mentioned sandwich uncoated adhesive region periphery irradiating laser to cut
Disconnected first thermoplastic resin layer, removes the first thermoplastic resin layer of uncoated adhesive region, forms positive conductive portion 56, and
And obtain the external packing body 50 (lid 55 of Fig. 1) of flat board sheet material.
(embodiment 2)
As above-mentioned the first metal layer 2, except using same as Example 1 in the upper enforcement of clad material (aluminum-nickel foil)
Beyond metal level obtained from chemical conversion treatment, obtain the external packing body 50 (lid of Fig. 1 of flat board sheet material similarly to Example 1
55).
(embodiment 3)
As above-mentioned the first metal layer 2, except using by coating operation by the SnO of 0.5 μm of thickness2Layer (conductive gold
Belonging to oxide) 2B is layered in the two-sided of aluminium foil (the first metal forming) 2A implementing chemical conversion treatment same as Example 1 respectively
Beyond metal level obtained from upper, obtain the external packing body 50 (lid 55 of Fig. 1) of flat board sheet material similarly to Example 1.
(embodiment 4)
As above-mentioned the first metal layer 2, except being layered in enforcement respectively using by the conductive cover layer 2B of 20 μm of thickness
The aluminium foil of chemical conversion treatment same as Example 1 (the first metal forming) 2A two-sided upper obtained from beyond metal level, with reality
Apply the external packing body 50 (lid 55 of Fig. 1) that example 1 similarly obtains flat board sheet material.Above-mentioned conductive cover layer 2B is to utilize intaglio plate
After cladding process is coated with, on above-mentioned aluminium foil, the slurry being dissolved in shitosan and white carbon black in ethyl acetate, at 150 DEG C
Under so that slurry drying is formed.
(comparative example 1)
As above-mentioned the first metal layer, except direct using the aluminium foil (the implementing chemical conversion treatment same as Example 1
One metal forming) beyond (that is, non-laminated conductive cover layer), obtain the external packing body of flat board sheet material similarly to Example 1.
Evaluation methodology according to lower note is to the potential resistance to electrolyte contamination as above remembering each electrical storage device external packing body obtaining like that
Can be evaluated.
(anti-electrolyte capability evaluation methodology)
For each embodiment, comparative example, all produce the external packing body of two panels rectangular shape respectively, exposed with metal forming
Come conductive part as inner side (using thermoplastic resin layer as inner side) mode, after two panels external packing body is piled up,
Position at one is stayed to be joined together three side heat-sealings of periphery.Then, 5mL electrolyte never package position is injected it
In, and above-mentioned unencapsulated position carried out with heat sealing merge completing to encapsulate in the state of having air to enter, put with this state
After putting, the positive conductive portion and the negative conductive portion that observe by the naked eye external packing body are corrosion-free to have investigated.
As electrolyte, using by lithium hexafluoro phosphate (LiPF6) be dissolved in concentration 1mol/L make ethylene carbonate (EC),
In the mixed solvent that dimethyl carbonate (DMC) and ethyl methyl carbonate (EMC) are mixed with equal-volume ratio
Electrolyte.
As a result, due to the corrosion not seeing the metal level (comprising metal forming) being caused by electrolyte, so this practicality
The electrical storage device external packing body of new embodiment 1～4 is outstanding in terms of anti-electrolyte capability.
On the other hand, on the external packing body of comparative example 1, somewhat observe the corrosion of the metal level being caused by electrolyte.
As the concrete example of electrical storage device of the present utility model, for example, can enumerate：
The electrochemical appliances such as lithium secondary battery (lithium ion battery, lithium polymer battery etc.)
Lithium-ion capacitance
Double-layer capacitor etc..
No. 2015-89495 opinion of Japan's patent application Patent that the application was filed an application based on April 24th, 2015 is excellent
First weigh, disclosure of which directly constitutes the part for the application.
The term being used here and explanation illustrate that embodiment of the present utility model uses, this practicality
New it is not limited to this.In this utility model, as long as without deviating from its purport in the range of its claims, then no
Change by which kind of design aspect is all allowed.
Claims (10)
1. a kind of electrical storage device external packing body is it is characterised in that have：
Metal level and be laminated in this metal level a face thermoplastic resin layer,
In the conductive part being partially provided with not covered by described thermoplastic resin layer in a face of described metal level,
As described metal level, can be using at least implementing metal forming A of plating process, be made up of clad material in one side
Metal forming B, at least one side be laminated with conductive metal oxide metal forming C or at least one side be laminated conductive
Metal forming D of cover layer.
2. a kind of electrical storage device external packing body is it is characterised in that have：
Metal level and be laminated in this metal level a face thermoplastic resin layer,
In the conductive part being partially provided with not covered by described thermoplastic resin layer in a face of described metal level,
As described metal level, can be using the gold that plating process is at least implemented on the face by described thermoplastic resin layer side
Belong to paper tinsel A, be made up of clad material, to be at least configured with anti-electrolyte capability on the face by described thermoplastic resin layer side good
Metal forming B of metal material, the gold of conductive metal oxide is at least laminated with the face by described thermoplastic resin layer side
Belong to paper tinsel C or metal forming D that conductive cover layer is at least laminated with the face by described thermoplastic resin layer side.
3. electrical storage device external packing body according to claim 1 and 2 it is characterised in that
Another face of described metal level is laminated insulating resin film, and sets in the local in another face of described metal level
Put the portion of terminal not covered by described insulating resin film.
4. a kind of electrical storage device is it is characterised in that have：
Electrical storage device external packing body described in two panels claim 1 or 2；
Apparatus main body portion,
To make to receive in the space described in two panels between external packing body configuring in the way of thermoplastic resin layer each other is facing
Receive described device main part, the conductive part of the electrode of described device main part and described external packing body connects, and by two panels institute
The thermoplastic resin layer stating the circumference of external packing body is bonded with each other and is packaged.
5. a kind of electrical storage device is it is characterised in that have：
Electrical storage device external packing body described in two panels claim 1 or 2；
Apparatus main body portion,
To make to receive in the space described in two panels between external packing body configuring in the way of thermoplastic resin layer each other is facing
Receive described device main part, the negative pole of described device main part is connected with the conductive part of the external packing body of described side, described dress
The positive pole putting main part is connected with the conductive part of the external packing body of described opposite side, as the described side being connected with described negative pole
External packing body metal level, can use Cu paper tinsel at least lean on described device main part side face on be provided with Ni plating layer
Metal level, and the thermoplastic resin layer of the circumference of the external packing body described in two panels be bonded with each other be packaged.
6. electrical storage device according to claim 5 it is characterised in that
The thickness of described Cu paper tinsel is 15 μm～155 μm, and the thickness of described Ni plating layer is 0.5 μm～5 μm.
7. a kind of electrical storage device is it is characterised in that have：
Positive pole portion, it comprises the first metal layer and is laminated in the positive electrode active material of the regional area in a face of this first metal layer
Matter layer；
Negative pole portion, it comprises second metal layer and is laminated in the negative electrode active material of the regional area in a face of this second metal layer
Matter layer；
Shim, it configures between described positive pole portion and described negative pole portion,
It is configured with described positive electrode active material layer between described the first metal layer and described shim, in described second metal layer
It is configured with described negative electrode active material layer and described shim between,
As described the first metal layer and described second metal layer, using enforcement plating at least on the face by described shim side
Metal forming A that processes, be made up of clad material, to be at least configured with anti-electrolyte capability on the face by described shim side good
Metal forming B of metal material, the metal forming of conductive metal oxide is at least laminated with the face by described shim side
C or metal forming D that conductive cover layer is at least laminated with the face by described shim side,
By the periphery encapsulated layer containing thermoplastic resin by the non-shape in one face of the first metal layer in described positive pole portion
Become to have being formed without of one face of second metal layer in the circumference region of positive electrode active material layer and described negative pole portion
The circumference region of negative electrode active material layer is joined together.
8. electrical storage device according to claim 7 it is characterised in that
First insulating resin film is laminated on another face of described the first metal layer, and another in described the first metal layer
The positive terminal portion being partially provided with not covered by described first insulating resin film in individual face,
Second insulating resin film is laminated on another face of described second metal layer, and another in described second metal layer
The negative electrode terminal portion being partially provided with not covered by described second insulating resin film in individual face.
9. the electrical storage device according to claim 7 or 8 it is characterised in that
As described second metal layer, using the gold that Ni plating layer is provided with the face at least leaning on described shim side of Cu paper tinsel
Belong to layer.
10. electrical storage device according to claim 9 it is characterised in that
The thickness of described Cu paper tinsel is 15 μm～155 μm, and the thickness of described Ni plating layer is 0.5 μm～5 μm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015089495A JP2016207542A (en) | 2015-04-24 | 2015-04-24 | Outer housing for electricity storage device and electricity storage device |
| JP2015-089495 | 2015-04-24 |
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| Publication Number | Publication Date |
|---|---|
| CN205960032U true CN205960032U (en) | 2017-02-15 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620348899.0U Active CN205960032U (en) | 2015-04-24 | 2016-04-22 | Extranal packing body and power storage device for power storage device |
| CN201610257386.3A Pending CN106067520A (en) | 2015-04-24 | 2016-04-22 | Electrical storage device external packing body and electrical storage device |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201610257386.3A Pending CN106067520A (en) | 2015-04-24 | 2016-04-22 | Electrical storage device external packing body and electrical storage device |
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| Country | Link |
|---|---|
| JP (1) | JP2016207542A (en) |
| KR (1) | KR20160126870A (en) |
| CN (2) | CN205960032U (en) |
| TW (1) | TW201703310A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106067520A (en) * | 2015-04-24 | 2016-11-02 | 昭和电工包装株式会社 | Electrical storage device external packing body and electrical storage device |
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| KR102256484B1 (en) * | 2017-06-13 | 2021-05-27 | 주식회사 엘지에너지솔루션 | Secondary battery, surface treatment apparatus and method the same |
| WO2019017029A1 (en) * | 2017-07-18 | 2019-01-24 | 株式会社村田製作所 | Secondary battery, battery pack, electric vehicle, electric power storage system, electric tool, and electronic device |
| EP3859821A4 (en) * | 2018-09-25 | 2021-12-01 | Panasonic Intellectual Property Management Co., Ltd. | Separator and nonaqueous electrolyte secondary battery |
| KR20210061114A (en) * | 2019-11-19 | 2021-05-27 | 주식회사 엘지화학 | The Electrode Assembly And The Method For Thereof |
| CN111129366A (en) * | 2019-12-30 | 2020-05-08 | 广东微电新能源有限公司 | Terminal of energy storage device and shell of energy storage device |
| CN111129367A (en) * | 2019-12-30 | 2020-05-08 | 广东微电新能源有限公司 | Energy storage device and assembling method thereof |
| CN111129388A (en) * | 2019-12-30 | 2020-05-08 | 广东微电新能源有限公司 | Energy storage device and assembling method thereof |
| CN118044007A (en) * | 2021-09-30 | 2024-05-14 | Tdk株式会社 | Collector, electrode for electric storage device, and lithium ion secondary battery |
| CN116031584A (en) * | 2023-03-27 | 2023-04-28 | 宁德新能源科技有限公司 | Electrochemical device and electric equipment |
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| JPS55107225A (en) * | 1979-02-09 | 1980-08-16 | Matsushita Electric Ind Co Ltd | Electric double layer capacitor and method of manufacturing same |
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| JP3615491B2 (en) * | 2001-03-05 | 2005-02-02 | 松下電器産業株式会社 | Non-aqueous electrolyte secondary battery and manufacturing method thereof |
| JP2004031272A (en) * | 2002-06-28 | 2004-01-29 | Nissan Motor Co Ltd | Electrode stack type battery |
| JP2004342643A (en) * | 2003-05-13 | 2004-12-02 | Nec Tokin Corp | Electric double layer capacitor |
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| JP5558912B2 (en) * | 2010-05-18 | 2014-07-23 | 昭和電工パッケージング株式会社 | Laminated battery pack and laminated outer packaging material for battery pack |
| CN103190015A (en) * | 2010-09-03 | 2013-07-03 | 日本电气株式会社 | Non-aqueous secondary battery and method for manufacturing non-aqueous secondary battery |
| JP2013004563A (en) * | 2011-06-13 | 2013-01-07 | Aisin Seiki Co Ltd | Power storage device, manufacturing method therefor and power storage module |
| JP6459306B2 (en) * | 2013-08-30 | 2019-01-30 | 凸版印刷株式会社 | Exterior materials for lithium-ion batteries |
| CN103633264A (en) * | 2013-11-25 | 2014-03-12 | 昆山永翔光电科技有限公司 | Aluminium-plastic film for lithium battery flexible package and manufacturing method thereof |
| JP6629514B2 (en) * | 2014-05-08 | 2020-01-15 | 昭和電工パッケージング株式会社 | Manufacturing method of laminate exterior material |
| JP2016207542A (en) * | 2015-04-24 | 2016-12-08 | 昭和電工パッケージング株式会社 | Outer housing for electricity storage device and electricity storage device |
-
2015
- 2015-04-24 JP JP2015089495A patent/JP2016207542A/en active Pending
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2016
- 2016-04-14 KR KR1020160045472A patent/KR20160126870A/en unknown
- 2016-04-19 TW TW105112140A patent/TW201703310A/en unknown
- 2016-04-22 CN CN201620348899.0U patent/CN205960032U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106067520A (en) * | 2015-04-24 | 2016-11-02 | 昭和电工包装株式会社 | Electrical storage device external packing body and electrical storage device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106067520A (en) | 2016-11-02 |
| KR20160126870A (en) | 2016-11-02 |
| JP2016207542A (en) | 2016-12-08 |
| TW201703310A (en) | 2017-01-16 |
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