CN120731521A - 二次电池 - Google Patents

二次电池

Info

Publication number
CN120731521A
CN120731521A CN202480013861.5A CN202480013861A CN120731521A CN 120731521 A CN120731521 A CN 120731521A CN 202480013861 A CN202480013861 A CN 202480013861A CN 120731521 A CN120731521 A CN 120731521A
Authority
CN
China
Prior art keywords
positive electrode
core material
thickness
electrode core
insulating member
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
CN202480013861.5A
Other languages
English (en)
Chinese (zh)
Inventor
橘高明信
石黑祐
安田骏介
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 CN120731521A publication Critical patent/CN120731521A/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
    • 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
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/04Construction or manufacture in general
    • H01M10/0431Cells with wound or folded electrodes
    • 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
    • H01M50/538Connection of several leads or tabs of wound or folded electrode stacks
    • 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
    • H01M50/572Means for preventing undesired use or discharge
    • H01M50/584Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/586Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries inside the batteries, e.g. incorrect connections of electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M2004/026Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/028Positive electrodes
    • 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)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Secondary Cells (AREA)
CN202480013861.5A 2023-02-28 2024-02-07 二次电池 Pending CN120731521A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2023030486 2023-02-28
JP2023-030486 2023-02-28
PCT/JP2024/004137 WO2024181071A1 (ja) 2023-02-28 2024-02-07 二次電池

Publications (1)

Publication Number Publication Date
CN120731521A true CN120731521A (zh) 2025-09-30

Family

ID=92589643

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202480013861.5A Pending CN120731521A (zh) 2023-02-28 2024-02-07 二次电池

Country Status (5)

Country Link
EP (1) EP4675726A1 (https=)
JP (1) JPWO2024181071A1 (https=)
CN (1) CN120731521A (https=)
TW (1) TW202447998A (https=)
WO (1) WO2024181071A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025094774A1 (ja) * 2023-10-30 2025-05-08 パナソニックIpマネジメント株式会社 非水電解質二次電池

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004296159A (ja) 2003-03-26 2004-10-21 Japan Storage Battery Co Ltd 円筒形蓄電池
KR102097107B1 (ko) * 2018-07-20 2020-04-03 주식회사 엘지화학 전극 조립체 및 이를 포함하는 이차전지
US20240258555A1 (en) * 2021-05-25 2024-08-01 Panasonic Energy Co., Ltd. Non-aqueous electrolyte secondary battery
CN117529847A (zh) * 2021-07-05 2024-02-06 松下新能源株式会社 圆筒形电池

Also Published As

Publication number Publication date
WO2024181071A1 (ja) 2024-09-06
JPWO2024181071A1 (https=) 2024-09-06
EP4675726A1 (en) 2026-01-07
TW202447998A (zh) 2024-12-01

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Legal Events

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PB01 Publication
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