CN117957665A - 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
CN117957665A
CN117957665A CN202280063234.3A CN202280063234A CN117957665A CN 117957665 A CN117957665 A CN 117957665A CN 202280063234 A CN202280063234 A CN 202280063234A CN 117957665 A CN117957665 A CN 117957665A
Authority
CN
China
Prior art keywords
positive electrode
mixture layer
electrode mixture
conductive agent
secondary battery
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
CN202280063234.3A
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English (en)
Chinese (zh)
Inventor
青谷正嗣
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 CN117957665A publication Critical patent/CN117957665A/zh
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624—Electric conductive fillers
    • H01M4/625—Carbon or graphite
    • 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
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • H01M4/366—Composites as layered products
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624—Electric conductive fillers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M2004/021—Physical characteristics, e.g. porosity, surface area
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/028—Positive electrodes
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Secondary Cells (AREA)
CN202280063234.3A 2021-09-28 2022-06-24 非水电解质二次电池 Pending CN117957665A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021157788 2021-09-28
JP2021-157788 2021-09-28
PCT/JP2022/025261 WO2023053626A1 (ja) 2021-09-28 2022-06-24 非水電解質二次電池

Publications (1)

Publication Number Publication Date
CN117957665A true CN117957665A (zh) 2024-04-30

Family

ID=85780588

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280063234.3A Pending CN117957665A (zh) 2021-09-28 2022-06-24 非水电解质二次电池

Country Status (5)

Country Link
US (1) US20240396047A1 (https=)
EP (1) EP4411853A4 (https=)
JP (1) JPWO2023053626A1 (https=)
CN (1) CN117957665A (https=)
WO (1) WO2023053626A1 (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025241698A1 (zh) * 2024-05-24 2025-11-27 比亚迪股份有限公司 电池极片、电池和用电设备

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025070467A1 (ja) * 2023-09-26 2025-04-03 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 (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5167703B2 (ja) * 2007-06-20 2013-03-21 日産自動車株式会社 電池用電極
US9083055B2 (en) 2009-05-08 2015-07-14 Samsung Sdi Co., Ltd. Electrode with plural active material layers with different amounts of conductive material for rechargeable lithium battery and method for manufacturing the same and rechargeable lithium battery including the electrode
JP5810479B2 (ja) * 2009-05-26 2015-11-11 日産自動車株式会社 リチウムイオン二次電池用の電極構造、リチウムイオン二次電池およびリチウムイオン二次電池用の電極の製造方法
JP5835941B2 (ja) * 2011-05-17 2015-12-24 日立オートモティブシステムズ株式会社 非水電解質二次電池
KR101783445B1 (ko) 2015-03-17 2017-09-29 주식회사 엘지화학 다층 구조 전극 및 이를 포함하는 리튬 이차전지
KR102062689B1 (ko) * 2016-11-23 2020-01-06 주식회사 엘지화학 이차전지용 양극 및 이를 포함하는 리튬 이차전지
JP7197725B2 (ja) * 2019-11-27 2022-12-27 ビークルエナジージャパン株式会社 二次電池用電極、それを備えた二次電池、および二次電池用電極の製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025241698A1 (zh) * 2024-05-24 2025-11-27 比亚迪股份有限公司 电池极片、电池和用电设备

Also Published As

Publication number Publication date
EP4411853A4 (en) 2025-08-06
JPWO2023053626A1 (https=) 2023-04-06
EP4411853A1 (en) 2024-08-07
WO2023053626A1 (ja) 2023-04-06
US20240396047A1 (en) 2024-11-28

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