JP7757390B2 - 密閉電池 - Google Patents

密閉電池

Info

Publication number
JP7757390B2
JP7757390B2 JP2023506997A JP2023506997A JP7757390B2 JP 7757390 B2 JP7757390 B2 JP 7757390B2 JP 2023506997 A JP2023506997 A JP 2023506997A JP 2023506997 A JP2023506997 A JP 2023506997A JP 7757390 B2 JP7757390 B2 JP 7757390B2
Authority
JP
Japan
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.)
Active
Application number
JP2023506997A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2022196442A1 (https=
Inventor
良太 沖本
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 JPWO2022196442A1 publication Critical patent/JPWO2022196442A1/ja
Application granted granted Critical
Publication of JP7757390B2 publication Critical patent/JP7757390B2/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
    • 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
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/117—Inorganic material
    • H01M50/119—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
    • H01M50/183—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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/534—Electrode connections inside a battery casing characterised by the material of the leads or tabs
    • 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
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
    • 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)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Secondary Cells (AREA)
  • Connection Of Batteries Or Terminals (AREA)
JP2023506997A 2021-03-17 2022-03-08 密閉電池 Active JP7757390B2 (ja)

Applications Claiming Priority (3)

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

Publications (2)

Publication Number Publication Date
JPWO2022196442A1 JPWO2022196442A1 (https=) 2022-09-22
JP7757390B2 true JP7757390B2 (ja) 2025-10-21

Family

ID=83320420

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023506997A Active JP7757390B2 (ja) 2021-03-17 2022-03-08 密閉電池

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=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004158318A (ja) 2002-11-07 2004-06-03 Matsushita Electric Ind Co Ltd 円筒形電池とその製造方法
JP2010003686A (ja) 2008-06-20 2010-01-07 Samsung Sdi Co Ltd 二次電池及びその製造方法
WO2019021623A1 (ja) 2017-07-25 2019-01-31 住友電気工業株式会社 金属部材の溶接構造の製造方法、及び金属部材の溶接構造
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

Family Cites Families (4)

* 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
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
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004158318A (ja) 2002-11-07 2004-06-03 Matsushita Electric Ind Co Ltd 円筒形電池とその製造方法
JP2010003686A (ja) 2008-06-20 2010-01-07 Samsung Sdi Co Ltd 二次電池及びその製造方法
WO2019021623A1 (ja) 2017-07-25 2019-01-31 住友電気工業株式会社 金属部材の溶接構造の製造方法、及び金属部材の溶接構造
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
EP4310998A1 (en) 2024-01-24
US20240154266A1 (en) 2024-05-09
JPWO2022196442A1 (https=) 2022-09-22
CN117015904A (zh) 2023-11-07
EP4310998A4 (en) 2024-12-04
WO2022196442A1 (ja) 2022-09-22

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