CN118216031A - 圆筒形二次电池 - Google Patents

圆筒形二次电池 Download PDF

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Publication number
CN118216031A
CN118216031A CN202280073148.0A CN202280073148A CN118216031A CN 118216031 A CN118216031 A CN 118216031A CN 202280073148 A CN202280073148 A CN 202280073148A CN 118216031 A CN118216031 A CN 118216031A
Authority
CN
China
Prior art keywords
positive electrode
core
tab
secondary battery
active material
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
CN202280073148.0A
Other languages
English (en)
Chinese (zh)
Inventor
今奥崇夫
若林大伦
福井昂佑
伊藤刚也
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 CN118216031A publication Critical patent/CN118216031A/zh
Pending legal-status Critical Current

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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/533—Electrode connections inside a battery casing characterised by the shape 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
    • H01M50/534—Electrode connections inside a battery casing characterised by the material of the leads or tabs
    • 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)
  • Secondary Cells (AREA)
  • Connection Of Batteries Or Terminals (AREA)
CN202280073148.0A 2021-11-12 2022-11-10 圆筒形二次电池 Pending CN118216031A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021184735 2021-11-12
JP2021-184735 2021-11-12
PCT/JP2022/041933 WO2023085365A1 (ja) 2021-11-12 2022-11-10 円筒形二次電池

Publications (1)

Publication Number Publication Date
CN118216031A true CN118216031A (zh) 2024-06-18

Family

ID=86335863

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280073148.0A Pending CN118216031A (zh) 2021-11-12 2022-11-10 圆筒形二次电池

Country Status (5)

Country Link
US (1) US20250015360A1 (https=)
EP (1) EP4432417A4 (https=)
JP (1) JPWO2023085365A1 (https=)
CN (1) CN118216031A (https=)
WO (1) WO2023085365A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026044769A1 (zh) * 2024-08-31 2026-03-05 宁德新能源科技有限公司 二次电池及用电设备

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3749010B2 (ja) * 1998-02-25 2006-02-22 三洋電機株式会社 非水電解液電池の製造方法
JP2006260892A (ja) * 2005-03-16 2006-09-28 Dainippon Printing Co Ltd 非水電解液二次電池用電極板、その製造方法、及び非水電解液二次電池
JP2007087842A (ja) * 2005-09-26 2007-04-05 Sanyo Electric Co Ltd リチウム二次電池及びその製造方法
JP2009164164A (ja) * 2007-12-28 2009-07-23 Elna Co Ltd 電極素子の製造方法および同電極素子を備えた蓄電用電気化学デバイス
JP5935265B2 (ja) * 2011-08-29 2016-06-15 Tdk株式会社 巻回型電気化学デバイス
WO2019082748A1 (ja) * 2017-10-27 2019-05-02 三洋電機株式会社 非水電解質二次電池の製造方法
EP3780242B1 (en) * 2018-04-06 2026-01-28 Panasonic Intellectual Property Management Co., Ltd. Winding-type electrode body of non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery
WO2019194181A1 (ja) * 2018-04-06 2019-10-10 三洋電機株式会社 非水電解質二次電池

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026044769A1 (zh) * 2024-08-31 2026-03-05 宁德新能源科技有限公司 二次电池及用电设备

Also Published As

Publication number Publication date
US20250015360A1 (en) 2025-01-09
JPWO2023085365A1 (https=) 2023-05-19
EP4432417A1 (en) 2024-09-18
WO2023085365A1 (ja) 2023-05-19
EP4432417A4 (en) 2025-07-09

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