JP7422680B2 - ガスケット、及び円筒形電池 - Google Patents
ガスケット、及び円筒形電池 Download PDFInfo
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- JP7422680B2 JP7422680B2 JP2020563043A JP2020563043A JP7422680B2 JP 7422680 B2 JP7422680 B2 JP 7422680B2 JP 2020563043 A JP2020563043 A JP 2020563043A JP 2020563043 A JP2020563043 A JP 2020563043A JP 7422680 B2 JP7422680 B2 JP 7422680B2
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- Prior art keywords
- gasket
- sealing body
- cylindrical
- positive electrode
- cylindrical battery
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- 238000000034 method Methods 0.000 description 11
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 239000011230 binding agent Substances 0.000 description 6
- 229910000838 Al alloy Inorganic materials 0.000 description 5
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- 229910052782 aluminium Inorganic materials 0.000 description 5
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- 229910052744 lithium Inorganic materials 0.000 description 5
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- 239000007773 negative electrode material Substances 0.000 description 5
- -1 polytetrafluoroethylene Polymers 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
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- 239000006258 conductive agent Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002905 metal composite material Substances 0.000 description 3
- 229920002239 polyacrylonitrile Polymers 0.000 description 3
- 229920001155 polypropylene Polymers 0.000 description 3
- 239000007774 positive electrode material Substances 0.000 description 3
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 229920003171 Poly (ethylene oxide) Polymers 0.000 description 2
- 229910021383 artificial graphite Inorganic materials 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
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- 238000001035 drying Methods 0.000 description 2
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- 238000009413 insulation Methods 0.000 description 2
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- 229910052748 manganese Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229920001707 polybutylene terephthalate Polymers 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 229920005672 polyolefin resin Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920002125 Sokalan® Polymers 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 239000006230 acetylene black Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 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
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000010220 ion permeability Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000003273 ketjen black Substances 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011325 microbead Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 229910021382 natural graphite Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
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- 239000002344 surface layer Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
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- 239000002759 woven fabric Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- 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
- 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
- H01M50/147—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
- 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
- H01M50/183—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
- H01M50/10—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
-
- 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)
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
Description
Claims (2)
- 正極と負極がセパレータを介して巻回された電極体と、電解質と、前記電極体及び前記電解質を収容する有底筒状の外装缶と、封口体と、前記外装缶と前記封口体の間に介在する環状のガスケットと、を備える円筒形電池であって、
前記外装缶は、外周面に周方向に延在すると共に径方向の内方側に突出する環状溝と、前記環状溝の径方向の内方側に突出する突出部を有し、
前記ガスケットは、前記突出部の前記径方向の内側部の少なくとも一部を覆う被覆部と、前記封口体における軸方向の前記外装缶の底側の面を支持する支持部とを含み、
前記被覆部は、前記軸方向の前記底側に行くにしたがって前記径方向の内方側に移動するように傾斜し、
前記支持部は、先端部が前記封口体に接触する突起を含み、
前記突起における前記径方向内方側の内周面は、前記軸方向の前記底側に行くにしたがって前記径方向外側に移動する傾斜面部を有する、円筒形電池。 - 前記被覆部が、前記突出部において最も内径が小さい最小内径部における前記径方向の内側を被覆している、請求項1に記載の円筒形電池。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2024004559A JP2024029245A (ja) | 2018-12-28 | 2024-01-16 | ガスケット、及び円筒形電池 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018247177 | 2018-12-28 | ||
JP2018247177 | 2018-12-28 | ||
PCT/JP2019/048469 WO2020137547A1 (ja) | 2018-12-28 | 2019-12-11 | ガスケット、及び円筒形電池 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2024004559A Division JP2024029245A (ja) | 2018-12-28 | 2024-01-16 | ガスケット、及び円筒形電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2020137547A1 JPWO2020137547A1 (ja) | 2021-11-11 |
JP7422680B2 true JP7422680B2 (ja) | 2024-01-26 |
Family
ID=71127114
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020563043A Active JP7422680B2 (ja) | 2018-12-28 | 2019-12-11 | ガスケット、及び円筒形電池 |
JP2024004559A Pending JP2024029245A (ja) | 2018-12-28 | 2024-01-16 | ガスケット、及び円筒形電池 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2024004559A Pending JP2024029245A (ja) | 2018-12-28 | 2024-01-16 | ガスケット、及び円筒形電池 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220069392A1 (ja) |
EP (1) | EP3905403A4 (ja) |
JP (2) | JP7422680B2 (ja) |
CN (1) | CN113261137A (ja) |
WO (1) | WO2020137547A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2022045229A1 (ja) * | 2020-08-31 | 2022-03-03 | ||
CN113675510B (zh) * | 2021-08-17 | 2023-01-24 | 厦门海辰储能科技股份有限公司 | 电芯的端部连接结构、电芯、动力电池 |
WO2023167010A1 (ja) * | 2022-03-04 | 2023-09-07 | パナソニックエナジー株式会社 | 円筒形電池 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000277063A (ja) | 1999-03-29 | 2000-10-06 | Sanyo Electric Co Ltd | 密閉型電池 |
JP2000357495A (ja) | 1999-06-11 | 2000-12-26 | Matsushita Electric Ind Co Ltd | 電 池 |
JP2007027103A (ja) | 2005-07-11 | 2007-02-01 | Samsung Sdi Co Ltd | リチウム二次電池 |
JP2010282824A (ja) | 2009-06-04 | 2010-12-16 | Hitachi Vehicle Energy Ltd | 密閉型電池 |
JP2012074265A (ja) | 2010-09-29 | 2012-04-12 | Sanyo Electric Co Ltd | 円筒形二次電池 |
US20180309096A1 (en) | 2017-04-25 | 2018-10-25 | Lg Chem, Ltd. | Secondary battery and method for manufacturing the same |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06251758A (ja) * | 1993-02-24 | 1994-09-09 | A T Battery:Kk | 高容量円筒形電池 |
JPH09320562A (ja) | 1996-03-28 | 1997-12-12 | Shin Kobe Electric Mach Co Ltd | 密閉円筒型非水二次電池 |
JP2005150073A (ja) * | 2003-08-28 | 2005-06-09 | Matsushita Electric Ind Co Ltd | 電池およびその製造方法 |
JP2014157654A (ja) * | 2011-06-08 | 2014-08-28 | Panasonic Corp | アルカリ電池 |
JP6045286B2 (ja) * | 2012-10-15 | 2016-12-14 | 日立オートモティブシステムズ株式会社 | 円筒形蓄電素子 |
KR102275422B1 (ko) * | 2015-01-08 | 2021-07-09 | 삼성에스디아이 주식회사 | 원통형 리튬 이온 이차 전지 |
KR102520538B1 (ko) * | 2017-12-05 | 2023-04-11 | 삼성에스디아이 주식회사 | 이차 전지 |
-
2019
- 2019-12-11 EP EP19903238.4A patent/EP3905403A4/en active Pending
- 2019-12-11 JP JP2020563043A patent/JP7422680B2/ja active Active
- 2019-12-11 WO PCT/JP2019/048469 patent/WO2020137547A1/ja unknown
- 2019-12-11 US US17/417,255 patent/US20220069392A1/en active Pending
- 2019-12-11 CN CN201980085795.1A patent/CN113261137A/zh active Pending
-
2024
- 2024-01-16 JP JP2024004559A patent/JP2024029245A/ja active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000277063A (ja) | 1999-03-29 | 2000-10-06 | Sanyo Electric Co Ltd | 密閉型電池 |
JP2000357495A (ja) | 1999-06-11 | 2000-12-26 | Matsushita Electric Ind Co Ltd | 電 池 |
JP2007027103A (ja) | 2005-07-11 | 2007-02-01 | Samsung Sdi Co Ltd | リチウム二次電池 |
JP2010282824A (ja) | 2009-06-04 | 2010-12-16 | Hitachi Vehicle Energy Ltd | 密閉型電池 |
JP2012074265A (ja) | 2010-09-29 | 2012-04-12 | Sanyo Electric Co Ltd | 円筒形二次電池 |
US20180309096A1 (en) | 2017-04-25 | 2018-10-25 | Lg Chem, Ltd. | Secondary battery and method for manufacturing the same |
Also Published As
Publication number | Publication date |
---|---|
CN113261137A (zh) | 2021-08-13 |
WO2020137547A1 (ja) | 2020-07-02 |
US20220069392A1 (en) | 2022-03-03 |
EP3905403A4 (en) | 2022-03-16 |
JP2024029245A (ja) | 2024-03-05 |
JPWO2020137547A1 (ja) | 2021-11-11 |
EP3905403A1 (en) | 2021-11-03 |
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