JP7832192B2 - 非水電解質二次電池 - Google Patents

非水電解質二次電池

Info

Publication number
JP7832192B2
JP7832192B2 JP2023523447A JP2023523447A JP7832192B2 JP 7832192 B2 JP7832192 B2 JP 7832192B2 JP 2023523447 A JP2023523447 A JP 2023523447A JP 2023523447 A JP2023523447 A JP 2023523447A JP 7832192 B2 JP7832192 B2 JP 7832192B2
Authority
JP
Japan
Prior art keywords
positive electrode
electrode
exposed portion
winding
exposed
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
JP2023523447A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2022249989A1 (https=
JPWO2022249989A5 (https=
Inventor
阿理紗 清水
径 小林
ガガン マキジャ
文一 水越
篤 見澤
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 JPWO2022249989A1 publication Critical patent/JPWO2022249989A1/ja
Publication of JPWO2022249989A5 publication Critical patent/JPWO2022249989A5/ja
Application granted granted Critical
Publication of JP7832192B2 publication Critical patent/JP7832192B2/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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/04—Construction or manufacture in general
    • H01M10/0431—Cells with wound or folded electrodes
    • 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
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/538—Connection of several leads or tabs of wound or folded electrode stacks
    • 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)
  • Materials Engineering (AREA)
  • Secondary Cells (AREA)
  • Connection Of Batteries Or Terminals (AREA)
JP2023523447A 2021-05-25 2022-05-20 非水電解質二次電池 Active JP7832192B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021087432 2021-05-25
JP2021087432 2021-05-25
PCT/JP2022/020987 WO2022249989A1 (ja) 2021-05-25 2022-05-20 非水電解質二次電池

Publications (3)

Publication Number Publication Date
JPWO2022249989A1 JPWO2022249989A1 (https=) 2022-12-01
JPWO2022249989A5 JPWO2022249989A5 (https=) 2024-02-28
JP7832192B2 true JP7832192B2 (ja) 2026-03-17

Family

ID=84230126

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023523447A Active JP7832192B2 (ja) 2021-05-25 2022-05-20 非水電解質二次電池

Country Status (5)

Country Link
US (1) US20240258555A1 (https=)
EP (1) EP4350798A4 (https=)
JP (1) JP7832192B2 (https=)
CN (1) CN117355988A (https=)
WO (1) WO2022249989A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4675726A1 (en) * 2023-02-28 2026-01-07 Panasonic Energy Co., Ltd. Secondary battery
WO2025094581A1 (ja) * 2023-10-31 2025-05-08 パナソニックＩｐマネジメント株式会社 円筒形電池

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170092926A1 (en) 2015-09-24 2017-03-30 Samsung Sdi Co., Ltd. Electrode assembly and secondary battery including the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000277155A (ja) 1999-03-25 2000-10-06 Hitachi Ltd 非水電解液二次電池
JP2002164044A (ja) 2000-11-24 2002-06-07 Nec Corp 電極巻回型電池及びその製造方法
JP2014225326A (ja) * 2011-09-14 2014-12-04 パナソニック株式会社 非水電解質二次電池
WO2017085918A1 (ja) * 2015-11-19 2017-05-26 三洋電機株式会社 非水電解質二次電池
JP6031206B1 (ja) * 2016-04-11 2016-11-24 Ckd株式会社 捲回装置
KR102410911B1 (ko) * 2017-10-11 2022-06-20 삼성에스디아이 주식회사 전극 조립체 및 이를 포함하는 이차전지
JP7396481B2 (ja) * 2020-06-09 2023-12-12 株式会社村田製作所 二次電池、電子機器及び電動工具

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170092926A1 (en) 2015-09-24 2017-03-30 Samsung Sdi Co., Ltd. Electrode assembly and secondary battery including the same

Also Published As

Publication number Publication date
EP4350798A1 (en) 2024-04-10
CN117355988A (zh) 2024-01-05
EP4350798A4 (en) 2025-04-09
US20240258555A1 (en) 2024-08-01
JPWO2022249989A1 (https=) 2022-12-01
WO2022249989A1 (ja) 2022-12-01

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