JP7821877B2 - 二次電池 - Google Patents

二次電池

Info

Publication number
JP7821877B2
JP7821877B2 JP2024521377A JP2024521377A JP7821877B2 JP 7821877 B2 JP7821877 B2 JP 7821877B2 JP 2024521377 A JP2024521377 A JP 2024521377A JP 2024521377 A JP2024521377 A JP 2024521377A JP 7821877 B2 JP7821877 B2 JP 7821877B2
Authority
JP
Japan
Prior art keywords
layer
positive electrode
binder
active material
mass
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.)
Active
Application number
JP2024521377A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2023223065A1 (https=
JPWO2023223065A5 (https=
Inventor
晴美 高田
竜士 柴村
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.)
Renault SAS
Original Assignee
Renault SAS
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 Renault SAS filed Critical Renault SAS
Publication of JPWO2023223065A1 publication Critical patent/JPWO2023223065A1/ja
Publication of JPWO2023223065A5 publication Critical patent/JPWO2023223065A5/ja
Application granted granted Critical
Publication of JP7821877B2 publication Critical patent/JP7821877B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H01M10/052—Li-accumulators
    • 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
    • H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0561—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only
    • H01M10/0562—Solid materials
    • 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
    • H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
    • 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
    • H01M4/621—Binders
    • H01M4/622—Binders being polymers
    • 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
    • H01M4/621—Binders
    • H01M4/622—Binders being polymers
    • H01M4/623—Binders being polymers fluorinated polymers
    • 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
    • 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)
  • Composite Materials (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Secondary Cells (AREA)
JP2024521377A 2022-05-19 2022-05-19 二次電池 Active JP7821877B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2022/000286 WO2023223065A1 (ja) 2022-05-19 2022-05-19 二次電池

Publications (3)

Publication Number Publication Date
JPWO2023223065A1 JPWO2023223065A1 (https=) 2023-11-23
JPWO2023223065A5 JPWO2023223065A5 (https=) 2025-03-07
JP7821877B2 true JP7821877B2 (ja) 2026-02-27

Family

ID=88834727

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2024521377A Active JP7821877B2 (ja) 2022-05-19 2022-05-19 二次電池

Country Status (5)

Country Link
US (1) US20250309270A1 (https=)
EP (1) EP4528838A4 (https=)
JP (1) JP7821877B2 (https=)
CN (1) CN119234324A (https=)
WO (1) WO2023223065A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2026054839A (ja) * 2024-09-17 2026-03-30 トヨタ自動車株式会社 電池の電極及びその製造方法
CN120473476A (zh) * 2025-07-16 2025-08-12 浙江绿色智行科创有限公司 正极极片及其制备方法和全固态电池

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010262764A (ja) 2009-04-30 2010-11-18 Toyota Motor Corp 正極合剤層形成用スラリーおよび正極合剤層
JP2018142406A (ja) 2017-02-27 2018-09-13 株式会社日立製作所 全固体電池およびその製造方法
JP2020123538A (ja) 2019-01-31 2020-08-13 トヨタ自動車株式会社 全固体電池
JP2020126794A (ja) 2019-02-06 2020-08-20 マクセルホールディングス株式会社 全固体リチウム二次電池およびその製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7025308B2 (ja) * 2018-09-04 2022-02-24 トヨタ自動車株式会社 リチウムイオン二次電池
JP7182160B2 (ja) * 2018-12-17 2022-12-02 パナソニックＩｐマネジメント株式会社 全固体電池
JP7364359B2 (ja) 2019-05-28 2023-10-18 トヨタ自動車株式会社 全固体電池及びその製造方法
CN112993382B (zh) * 2021-02-07 2022-07-12 珠海冠宇电池股份有限公司 一种柔性固态电池

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010262764A (ja) 2009-04-30 2010-11-18 Toyota Motor Corp 正極合剤層形成用スラリーおよび正極合剤層
JP2018142406A (ja) 2017-02-27 2018-09-13 株式会社日立製作所 全固体電池およびその製造方法
JP2020123538A (ja) 2019-01-31 2020-08-13 トヨタ自動車株式会社 全固体電池
JP2020126794A (ja) 2019-02-06 2020-08-20 マクセルホールディングス株式会社 全固体リチウム二次電池およびその製造方法

Also Published As

Publication number Publication date
US20250309270A1 (en) 2025-10-02
JPWO2023223065A1 (https=) 2023-11-23
WO2023223065A1 (ja) 2023-11-23
CN119234324A (zh) 2024-12-31
EP4528838A1 (en) 2025-03-26
EP4528838A4 (en) 2025-11-26

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