CN117015904A - 密闭电池 - Google Patents

密闭电池 Download PDF

Info

Publication number
CN117015904A
CN117015904A CN202280019569.5A CN202280019569A CN117015904A CN 117015904 A CN117015904 A CN 117015904A CN 202280019569 A CN202280019569 A CN 202280019569A CN 117015904 A CN117015904 A CN 117015904A
Authority
CN
China
Prior art keywords
negative electrode
electrode lead
positive electrode
sealed battery
lead
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
CN202280019569.5A
Other languages
English (en)
Chinese (zh)
Inventor
冲本良太
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
Original Assignee
Panasonic New 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 New Energy Co ltd filed Critical Panasonic New Energy Co ltd
Publication of CN117015904A publication Critical patent/CN117015904A/zh
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/531Electrode connections inside a battery casing
    • H01M50/534Electrode connections inside a battery casing characterised by the material of the leads or tabs
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/058Construction or manufacture
    • H01M10/0587Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings; Jackets or wrappings
    • H01M50/102Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/107Primary casings; Jackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings; Jackets or wrappings
    • H01M50/116Primary casings; Jackets or wrappings characterised by the material
    • H01M50/117Inorganic material
    • H01M50/119Metals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings; Jackets or wrappings
    • H01M50/183Sealing members
    • H01M50/184Sealing members characterised by their shape or structure
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/531Electrode connections inside a battery casing
    • H01M50/536Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing 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)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Secondary Cells (AREA)
  • Connection Of Batteries Or Terminals (AREA)
CN202280019569.5A 2021-03-17 2022-03-08 密闭电池 Pending CN117015904A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021043474 2021-03-17
JP2021-043474 2021-03-17
PCT/JP2022/009996 WO2022196442A1 (ja) 2021-03-17 2022-03-08 密閉電池

Publications (1)

Publication Number Publication Date
CN117015904A true CN117015904A (zh) 2023-11-07

Family

ID=83320420

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280019569.5A Pending CN117015904A (zh) 2021-03-17 2022-03-08 密闭电池

Country Status (5)

Country Link
US (1) US20240154266A1 (https=)
EP (1) EP4310998A4 (https=)
JP (1) JP7757390B2 (https=)
CN (1) CN117015904A (https=)
WO (1) WO2022196442A1 (https=)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001176490A (ja) 1999-12-14 2001-06-29 Sony Corp 非水電解液二次電池
JP4547855B2 (ja) 2002-11-07 2010-09-22 パナソニック株式会社 円筒形電池の製造方法
US8703327B2 (en) * 2008-06-20 2014-04-22 Samsung Sdi Co., Ltd. Rechargeable battery and manufacturing method thereof
JP2014132516A (ja) * 2011-04-28 2014-07-17 Hitachi Maxell Ltd 円筒形リチウムイオン二次電池およびその製造方法
US20190198882A1 (en) * 2016-09-23 2019-06-27 Samsung Sdi Co., Ltd. Secondary battery
US20200141434A1 (en) 2017-07-25 2020-05-07 Sumitomo Electric Industries, Ltd. Method of manufacturing metal member-welded structure, and metal member-welded structure
JP7009271B2 (ja) * 2018-03-16 2022-01-25 三洋電機株式会社 密閉電池の製造方法及び密閉電池
WO2023095383A1 (ja) 2021-11-29 2023-06-01 パナソニックIpマネジメント株式会社 接合体、レーザ加工方法及びレーザ加工装置

Also Published As

Publication number Publication date
JP7757390B2 (ja) 2025-10-21
EP4310998A1 (en) 2024-01-24
US20240154266A1 (en) 2024-05-09
JPWO2022196442A1 (https=) 2022-09-22
EP4310998A4 (en) 2024-12-04
WO2022196442A1 (ja) 2022-09-22

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