CN118613962A - 非水电解质二次电池 - Google Patents

非水电解质二次电池 Download PDF

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Publication number
CN118613962A
CN118613962A CN202380017612.9A CN202380017612A CN118613962A CN 118613962 A CN118613962 A CN 118613962A CN 202380017612 A CN202380017612 A CN 202380017612A CN 118613962 A CN118613962 A CN 118613962A
Authority
CN
China
Prior art keywords
electrode
positive electrode
insulating tape
negative electrode
thickness
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
CN202380017612.9A
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English (en)
Chinese (zh)
Inventor
三泽亮真
小林径
水越文一
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 CN118613962A publication Critical patent/CN118613962A/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
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • 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
    • H01M50/536Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
    • 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
    • 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
    • H01M50/59Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
    • H01M50/595Tapes
    • 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)
  • Materials Engineering (AREA)
  • Secondary Cells (AREA)
  • Connection Of Batteries Or Terminals (AREA)
CN202380017612.9A 2022-01-28 2023-01-23 非水电解质二次电池 Pending CN118613962A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022-011561 2022-01-28
JP2022011561 2022-01-28
PCT/JP2023/001887 WO2023145679A1 (ja) 2022-01-28 2023-01-23 非水電解質二次電池

Publications (1)

Publication Number Publication Date
CN118613962A true CN118613962A (zh) 2024-09-06

Family

ID=87472028

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202380017612.9A Pending CN118613962A (zh) 2022-01-28 2023-01-23 非水电解质二次电池

Country Status (5)

Country Link
US (1) US20250167306A1 (https=)
EP (1) EP4471975A4 (https=)
JP (1) JPWO2023145679A1 (https=)
CN (1) CN118613962A (https=)
WO (1) WO2023145679A1 (https=)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20250057276A (ko) * 2023-10-20 2025-04-29 주식회사 엘지에너지솔루션 전극 조립체 및 이를 포함하는 이차전지
KR20250111638A (ko) * 2024-01-15 2025-07-22 삼성에스디아이 주식회사 전극 조립체 및 이를 포함하는 이차 전지
WO2025164453A1 (ja) * 2024-01-29 2025-08-07 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
KR20260000307A (ko) * 2024-06-25 2026-01-02 삼성에스디아이 주식회사 전극 및 이를 포함하는 이차 전지

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4380201B2 (ja) 2003-04-09 2009-12-09 パナソニック株式会社 非水電解液二次電池の製造方法
KR101009517B1 (ko) * 2008-06-23 2011-01-18 삼성에스디아이 주식회사 전극 조립체와 이를 이용한 리튬 이차 전지
KR102279223B1 (ko) * 2014-11-25 2021-07-19 삼성에스디아이 주식회사 보호 테이프를 갖는 전극 조립체 및 이를 포함하는 이차 전지
KR101945901B1 (ko) * 2015-03-26 2019-02-08 삼성에스디아이 주식회사 이차 전지
CN107615558B (zh) * 2015-07-10 2020-07-24 松下知识产权经营株式会社 卷绕型电池
CN111033870B (zh) * 2017-08-31 2023-10-27 松下知识产权经营株式会社 非水电解质二次电池
JP7213455B2 (ja) * 2017-12-05 2023-01-27 パナソニックIpマネジメント株式会社 二次電池、絶縁部材及び正極リード
KR102097107B1 (ko) * 2018-07-20 2020-04-03 주식회사 엘지화학 전극 조립체 및 이를 포함하는 이차전지

Also Published As

Publication number Publication date
JPWO2023145679A1 (https=) 2023-08-03
WO2023145679A1 (ja) 2023-08-03
US20250167306A1 (en) 2025-05-22
EP4471975A4 (en) 2025-07-09
EP4471975A1 (en) 2024-12-04

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