TW202447998A - 二次電池 - Google Patents

二次電池 Download PDF

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Publication number
TW202447998A
TW202447998A TW113105928A TW113105928A TW202447998A TW 202447998 A TW202447998 A TW 202447998A TW 113105928 A TW113105928 A TW 113105928A TW 113105928 A TW113105928 A TW 113105928A TW 202447998 A TW202447998 A TW 202447998A
Authority
TW
Taiwan
Prior art keywords
positive electrode
core material
electrode
positive
thickness
Prior art date
Application number
TW113105928A
Other languages
English (en)
Chinese (zh)
Inventor
橘高明信
石黑祐
安田駿介
Original Assignee
日商松下新能源股份有限公司
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 日商松下新能源股份有限公司 filed Critical 日商松下新能源股份有限公司
Publication of TW202447998A publication Critical patent/TW202447998A/zh

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    • 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

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  • 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)
TW113105928A 2023-02-28 2024-02-20 二次電池 TW202447998A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2023030486 2023-02-28
JP2023-030486 2023-02-28

Publications (1)

Publication Number Publication Date
TW202447998A true TW202447998A (zh) 2024-12-01

Family

ID=92589643

Family Applications (1)

Application Number Title Priority Date Filing Date
TW113105928A TW202447998A (zh) 2023-02-28 2024-02-20 二次電池

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
CN120731521A (zh) 2025-09-30
WO2024181071A1 (ja) 2024-09-06
JPWO2024181071A1 (https=) 2024-09-06
EP4675726A1 (en) 2026-01-07

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