CN117044022A - 密闭电池 - Google Patents

密闭电池 Download PDF

Info

Publication number
CN117044022A
CN117044022A CN202280021789.1A CN202280021789A CN117044022A CN 117044022 A CN117044022 A CN 117044022A CN 202280021789 A CN202280021789 A CN 202280021789A CN 117044022 A CN117044022 A CN 117044022A
Authority
CN
China
Prior art keywords
groove
width
flat portion
gas discharge
discharge valve
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.)
Pending
Application number
CN202280021789.1A
Other languages
English (en)
Chinese (zh)
Inventor
奥谷仰
小平一纪
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 New Energy Co ltd
Panasonic Holdings Corp
Original Assignee
Panasonic New Energy Co ltd
Panasonic Holdings Corp
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 New Energy Co ltd, Panasonic Holdings Corp filed Critical Panasonic New Energy Co ltd
Publication of CN117044022A publication Critical patent/CN117044022A/zh
Pending legal-status Critical Current

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
    • H01M50/30—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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/0422—Cells or battery with cylindrical casing
    • 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
    • H01M50/147—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Gas Exhaust Devices For Batteries (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
CN202280021789.1A 2021-03-25 2022-03-18 密闭电池 Pending CN117044022A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021051272 2021-03-25
JP2021-051272 2021-03-25
PCT/JP2022/012757 WO2022202692A1 (ja) 2021-03-25 2022-03-18 密閉電池

Publications (1)

Publication Number Publication Date
CN117044022A true CN117044022A (zh) 2023-11-10

Family

ID=83397215

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280021789.1A Pending CN117044022A (zh) 2021-03-25 2022-03-18 密闭电池

Country Status (5)

Country Link
US (1) US20240055719A1 (https=)
EP (1) EP4318768A4 (https=)
JP (1) JPWO2022202692A1 (https=)
CN (1) CN117044022A (https=)
WO (1) WO2022202692A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP1721898S (ja) * 2021-11-29 2022-08-08 電池
CN116620742B (zh) * 2023-06-02 2026-04-03 浙江东成印业有限公司 一种可释压的压力容器
WO2025075474A1 (ko) * 2023-10-05 2025-04-10 주식회사 엘지에너지솔루션 배터리, 이를 포함하는 배터리 팩 및 자동차

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4722874A (en) * 1986-08-01 1988-02-02 Moli Energy Limited Electrochemical cell pressure relief devices
JP3392656B2 (ja) 1996-09-19 2003-03-31 松下電器産業株式会社 防爆型電池缶
JP3863351B2 (ja) * 2000-02-18 2006-12-27 松下電器産業株式会社 角形電池および角形電池の安全機構の製造方法
EP2419946B1 (en) * 2009-04-15 2016-04-13 Johnson Controls Saft Advanced Power Solutions LLC Vent for electrochemical cell
WO2013046712A1 (ja) * 2011-09-29 2013-04-04 パナソニック株式会社 密閉型二次電池
DE112014001622T5 (de) * 2013-03-25 2015-12-24 Kabushiki Kaisha Toyota Jidoshokki Elektrizitätsspeichervorrichtung
JP5668772B2 (ja) * 2013-03-25 2015-02-12 株式会社豊田自動織機 蓄電装置
JP6044482B2 (ja) * 2013-07-30 2016-12-14 株式会社豊田自動織機 蓄電装置の製造方法
JP6868221B2 (ja) * 2017-07-14 2021-05-12 株式会社豊田自動織機 蓄電装置
JP7340804B2 (ja) * 2018-02-23 2023-09-08 パナソニックＩｐマネジメント株式会社 蓄電デバイス及び蓄電モジュール

Also Published As

Publication number Publication date
WO2022202692A1 (ja) 2022-09-29
EP4318768A4 (en) 2025-05-21
JPWO2022202692A1 (https=) 2022-09-29
EP4318768A1 (en) 2024-02-07
US20240055719A1 (en) 2024-02-15

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