JP7410882B2 - 円筒形電池 - Google Patents
円筒形電池 Download PDFInfo
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- JP7410882B2 JP7410882B2 JP2020563150A JP2020563150A JP7410882B2 JP 7410882 B2 JP7410882 B2 JP 7410882B2 JP 2020563150 A JP2020563150 A JP 2020563150A JP 2020563150 A JP2020563150 A JP 2020563150A JP 7410882 B2 JP7410882 B2 JP 7410882B2
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- 238000007789 sealing Methods 0.000 claims description 104
- 230000002093 peripheral effect Effects 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 5
- 239000008151 electrolyte solution Substances 0.000 claims 4
- 238000004519 manufacturing process Methods 0.000 claims 2
- -1 polypropylene Polymers 0.000 description 16
- 239000000203 mixture Substances 0.000 description 13
- 239000004743 Polypropylene Substances 0.000 description 10
- 239000010410 layer Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 10
- 229920001155 polypropylene Polymers 0.000 description 10
- 239000003792 electrolyte Substances 0.000 description 7
- 229920001707 polybutylene terephthalate Polymers 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 239000011347 resin Substances 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 238000009423 ventilation Methods 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 239000004698 Polyethylene Substances 0.000 description 4
- 239000002612 dispersion medium Substances 0.000 description 4
- 229920000573 polyethylene Polymers 0.000 description 4
- YEJRWHAVMIAJKC-UHFFFAOYSA-N 4-Butyrolactone Chemical compound O=C1CCCO1 YEJRWHAVMIAJKC-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 239000003575 carbonaceous material Substances 0.000 description 3
- 150000005676 cyclic carbonates Chemical class 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 229910003002 lithium salt Inorganic materials 0.000 description 3
- 159000000002 lithium salts Chemical class 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 239000011255 nonaqueous electrolyte Substances 0.000 description 3
- 239000002952 polymeric resin Substances 0.000 description 3
- 229920003002 synthetic resin Polymers 0.000 description 3
- 229910052723 transition metal Inorganic materials 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- ZZXUZKXVROWEIF-UHFFFAOYSA-N 1,2-butylene carbonate Chemical compound CCC1COC(=O)O1 ZZXUZKXVROWEIF-UHFFFAOYSA-N 0.000 description 2
- SBLRHMKNNHXPHG-UHFFFAOYSA-N 4-fluoro-1,3-dioxolan-2-one Chemical compound FC1COC(=O)O1 SBLRHMKNNHXPHG-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 2
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910013870 LiPF 6 Inorganic materials 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000002174 Styrene-butadiene Substances 0.000 description 2
- 150000001733 carboxylic acid esters Chemical class 0.000 description 2
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 description 2
- GAEKPEKOJKCEMS-UHFFFAOYSA-N gamma-valerolactone Chemical compound CC1CCC(=O)O1 GAEKPEKOJKCEMS-UHFFFAOYSA-N 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 239000010954 inorganic particle Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000002905 metal composite material Substances 0.000 description 2
- BHIWKHZACMWKOJ-UHFFFAOYSA-N methyl isobutyrate Chemical compound COC(=O)C(C)C BHIWKHZACMWKOJ-UHFFFAOYSA-N 0.000 description 2
- KKQAVHGECIBFRQ-UHFFFAOYSA-N methyl propyl carbonate Chemical compound CCCOC(=O)OC KKQAVHGECIBFRQ-UHFFFAOYSA-N 0.000 description 2
- 239000012982 microporous membrane Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007773 negative electrode material Substances 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- VUAXHMVRKOTJKP-UHFFFAOYSA-M 2,2-dimethylbutanoate Chemical compound CCC(C)(C)C([O-])=O VUAXHMVRKOTJKP-UHFFFAOYSA-M 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910010820 Li2B10Cl10 Inorganic materials 0.000 description 1
- 229910010903 Li2B12Cl12 Inorganic materials 0.000 description 1
- 229910013063 LiBF 4 Inorganic materials 0.000 description 1
- 229910000552 LiCF3SO3 Inorganic materials 0.000 description 1
- 229910052493 LiFePO4 Inorganic materials 0.000 description 1
- 229910013191 LiMO2 Inorganic materials 0.000 description 1
- 229910013131 LiN Inorganic materials 0.000 description 1
- 229910001290 LiPF6 Inorganic materials 0.000 description 1
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 229910021383 artificial graphite Inorganic materials 0.000 description 1
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 description 1
- 239000006229 carbon black Substances 0.000 description 1
- 239000001768 carboxy methyl cellulose Substances 0.000 description 1
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 1
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 1
- 150000005678 chain carbonates Chemical class 0.000 description 1
- 239000006258 conductive agent Substances 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- OZJPLYNZGCXSJM-UHFFFAOYSA-N delta-Valerolactone Natural products O=C1CCCCO1 OZJPLYNZGCXSJM-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- HHEIMYAXCOIQCJ-UHFFFAOYSA-N ethyl 2,2-dimethylpropanoate Chemical compound CCOC(=O)C(C)(C)C HHEIMYAXCOIQCJ-UHFFFAOYSA-N 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- WDAXFOBOLVPGLV-UHFFFAOYSA-N isobutyric acid ethyl ester Natural products CCOC(=O)C(C)C WDAXFOBOLVPGLV-UHFFFAOYSA-N 0.000 description 1
- 229910001540 lithium hexafluoroarsenate(V) Inorganic materials 0.000 description 1
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 description 1
- 229910001486 lithium perchlorate Inorganic materials 0.000 description 1
- 229910001496 lithium tetrafluoroborate Inorganic materials 0.000 description 1
- ACFSQHQYDZIPRL-UHFFFAOYSA-N lithium;bis(1,1,2,2,2-pentafluoroethylsulfonyl)azanide Chemical compound [Li+].FC(F)(F)C(F)(F)S(=O)(=O)[N-]S(=O)(=O)C(F)(F)C(F)(F)F ACFSQHQYDZIPRL-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000011115 styrene butadiene Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
- H01M50/183—Sealing members
- H01M50/184—Sealing members characterised by their shape or 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
- H01M50/152—Lids or covers characterised by their shape for cells having curved cross-section, e.g. round or elliptic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- 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
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
-
- 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
- H01M50/147—Lids or covers
- H01M50/155—Lids or covers characterised by the material
- H01M50/157—Inorganic material
- H01M50/159—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
- H01M50/147—Lids or covers
- H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
- H01M50/167—Lids or covers characterised by the methods of assembling casings with lids by crimping
-
- 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
- H01M50/183—Sealing members
- H01M50/186—Sealing members characterised by the disposition of the sealing members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/342—Non-re-sealable arrangements
- H01M50/3425—Non-re-sealable arrangements in the form of rupturable membranes or weakened parts, e.g. pierced with the aid of a sharp member
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/578—Devices or arrangements for the interruption of current in response to pressure
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
Description
Claims (5)
- 正極板と負極板がセパレータを介して巻回された電極体と、電解液と、前記電極体及び電解液を収容する有底円筒状の外装缶と、前記外装缶の開口部にガスケットを介してカシメ固定される封口板と、を備える円筒形電池であって、
前記封口板は平面視で円形状をなし、前記封口板において前記外装缶にカシメ固定される外周端縁部が、カシメ固定される前は、径方向外側へいくにしたがって電池内方側となるように傾斜した形状に形成されている、円筒形電池。 - 前記封口板は、その中央領域が電池内方側に凹んだ形状を有している、請求項1に記載の円筒形電池。
- 前記封口板において傾斜した外周端縁部の起点位置は、前記外装缶にカシメ固定されたときに前記外装缶の開口部周縁よりも径方向内側に位置している、請求項1又は2に記載の円筒形電池。
- 正極板と負極板がセパレータを介して巻回された電極体と、電解液と、前記電極体及び電解液を収容する有底円筒状の外装缶と、前記外装缶の開口部にガスケットを介してカシメ固定される封口板と、を備える円筒形電池の製造方法であって、
前記封口板は平面視で円形状をなし、前記封口板において前記外装缶にカシメ固定される外周端縁部が、径方向外側へいくにしたがって電池内方側となるように傾斜した形状に形成されている、円筒形電池の製造方法。 - 円筒形電池の外装缶の開口部にガスケットを介してカシメ固定される封口板であって、
前記封口板において前記外装缶にカシメ固定される外周端縁部が、径方向外側へいくにしたがって電池内方側となるように傾斜した形状に形成されている、封口板。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018246665 | 2018-12-28 | ||
JP2018246665 | 2018-12-28 | ||
PCT/JP2019/049756 WO2020137778A1 (ja) | 2018-12-28 | 2019-12-19 | 円筒形電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2020137778A1 JPWO2020137778A1 (ja) | 2021-11-18 |
JP7410882B2 true JP7410882B2 (ja) | 2024-01-10 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2020563150A Active JP7410882B2 (ja) | 2018-12-28 | 2019-12-19 | 円筒形電池 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220029232A1 (ja) |
EP (1) | EP3905418A4 (ja) |
JP (1) | JP7410882B2 (ja) |
CN (1) | CN113228376A (ja) |
WO (1) | WO2020137778A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009123375A (ja) | 2007-11-12 | 2009-06-04 | Fdk Corp | 円筒型電池 |
WO2014119308A1 (ja) | 2013-01-31 | 2014-08-07 | 三洋電機株式会社 | 密閉型電池 |
JP2016177877A (ja) | 2015-03-18 | 2016-10-06 | Fdk鳥取株式会社 | 筒型電池の封口板及び筒型電池 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61157261U (ja) * | 1985-03-22 | 1986-09-29 | ||
JP4284712B2 (ja) * | 1998-03-10 | 2009-06-24 | パナソニック株式会社 | 密閉型電池用防爆封口板およびそれを用いた密閉型電池 |
US7572545B2 (en) * | 2006-05-24 | 2009-08-11 | Everyready Battery Company, Inc. | Battery can having vent and asymmetric welded cover |
KR100912789B1 (ko) * | 2006-09-11 | 2009-08-18 | 주식회사 엘지화학 | 안전성이 향상된 원통형 이차전지 |
WO2015146078A1 (ja) | 2014-03-28 | 2015-10-01 | 三洋電機株式会社 | 円筒形密閉電池及び電池パック |
WO2016157749A1 (ja) * | 2015-03-27 | 2016-10-06 | 三洋電機株式会社 | 円筒形電池 |
WO2016157750A1 (ja) * | 2015-03-27 | 2016-10-06 | 三洋電機株式会社 | 円筒形電池 |
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2019
- 2019-12-19 WO PCT/JP2019/049756 patent/WO2020137778A1/ja unknown
- 2019-12-19 CN CN201980085729.4A patent/CN113228376A/zh active Pending
- 2019-12-19 US US17/415,270 patent/US20220029232A1/en active Pending
- 2019-12-19 EP EP19901446.5A patent/EP3905418A4/en active Pending
- 2019-12-19 JP JP2020563150A patent/JP7410882B2/ja active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009123375A (ja) | 2007-11-12 | 2009-06-04 | Fdk Corp | 円筒型電池 |
WO2014119308A1 (ja) | 2013-01-31 | 2014-08-07 | 三洋電機株式会社 | 密閉型電池 |
JP2016177877A (ja) | 2015-03-18 | 2016-10-06 | Fdk鳥取株式会社 | 筒型電池の封口板及び筒型電池 |
Also Published As
Publication number | Publication date |
---|---|
EP3905418A1 (en) | 2021-11-03 |
WO2020137778A1 (ja) | 2020-07-02 |
EP3905418A4 (en) | 2022-02-23 |
JPWO2020137778A1 (ja) | 2021-11-18 |
US20220029232A1 (en) | 2022-01-27 |
CN113228376A (zh) | 2021-08-06 |
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