JP7793532B2 - 円筒形電池 - Google Patents

円筒形電池

Info

Publication number
JP7793532B2
JP7793532B2 JP2022559119A JP2022559119A JP7793532B2 JP 7793532 B2 JP7793532 B2 JP 7793532B2 JP 2022559119 A JP2022559119 A JP 2022559119A JP 2022559119 A JP2022559119 A JP 2022559119A JP 7793532 B2 JP7793532 B2 JP 7793532B2
Authority
JP
Japan
Prior art keywords
sealing plate
thick
cylindrical battery
thin
sealing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2022559119A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2022092020A1 (https=
JPWO2022092020A5 (https=
Inventor
恵輔 山下
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Energy Co Ltd
Original Assignee
Panasonic Energy Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Panasonic Energy Co Ltd filed Critical Panasonic Energy Co Ltd
Publication of JPWO2022092020A1 publication Critical patent/JPWO2022092020A1/ja
Publication of JPWO2022092020A5 publication Critical patent/JPWO2022092020A5/ja
Application granted granted Critical
Publication of JP7793532B2 publication Critical patent/JP7793532B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H01M50/147—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
    • H01M50/102—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
    • H01M50/30—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
    • H01M50/10—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
    • H01M50/184—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
JP2022559119A 2020-10-28 2021-10-25 円筒形電池 Active JP7793532B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020180646 2020-10-28
JP2020180646 2020-10-28
PCT/JP2021/039285 WO2022092020A1 (ja) 2020-10-28 2021-10-25 円筒形電池

Publications (3)

Publication Number Publication Date
JPWO2022092020A1 JPWO2022092020A1 (https=) 2022-05-05
JPWO2022092020A5 JPWO2022092020A5 (https=) 2023-07-13
JP7793532B2 true JP7793532B2 (ja) 2026-01-05

Family

ID=81381461

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022559119A Active JP7793532B2 (ja) 2020-10-28 2021-10-25 円筒形電池

Country Status (5)

Country Link
US (1) US20230387523A1 (https=)
EP (1) EP4239764A4 (https=)
JP (1) JP7793532B2 (https=)
CN (1) CN116686146A (https=)
WO (1) WO2022092020A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20260058328A1 (en) * 2022-09-30 2026-02-26 Panasonic Energy Co., Ltd. Cylindrical battery

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005267936A (ja) 2004-03-17 2005-09-29 Sanyo Electric Co Ltd 密閉型二次電池

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2981418B2 (ja) * 1995-10-25 1999-11-22 富士電気化学株式会社 アルカリ電池
JPH1173934A (ja) * 1997-09-01 1999-03-16 Fuji Elelctrochem Co Ltd 密閉形電池の安全弁
CN106030850B (zh) * 2014-03-28 2019-11-12 三洋电机株式会社 圆筒形密闭电池
CN105789499B (zh) * 2016-04-26 2019-08-13 福建南平南孚电池有限公司 一种碱性电池密封圈

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005267936A (ja) 2004-03-17 2005-09-29 Sanyo Electric Co Ltd 密閉型二次電池

Also Published As

Publication number Publication date
JPWO2022092020A1 (https=) 2022-05-05
WO2022092020A1 (ja) 2022-05-05
CN116686146A (zh) 2023-09-01
US20230387523A1 (en) 2023-11-30
EP4239764A4 (en) 2024-11-27
EP4239764A1 (en) 2023-09-06

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