JP7633424B2 - 正極用バインダー、正極合剤、正極、および非水電解質二次電池 - Google Patents

正極用バインダー、正極合剤、正極、および非水電解質二次電池 Download PDF

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Publication number
JP7633424B2
JP7633424B2 JP2023556230A JP2023556230A JP7633424B2 JP 7633424 B2 JP7633424 B2 JP 7633424B2 JP 2023556230 A JP2023556230 A JP 2023556230A JP 2023556230 A JP2023556230 A JP 2023556230A JP 7633424 B2 JP7633424 B2 JP 7633424B2
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Prior art keywords
positive electrode
vinylidene fluoride
fluoride polymer
epoxy
less
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Japanese (ja)
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JPWO2023074245A1 (https=
JPWO2023074245A5 (https=
Inventor
拓也 池田
佳余子 岡田
泰史 池山
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Kureha Corp
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Kureha Corp
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    • 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
    • H01M10/052—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
    • 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
    • H01M4/621—Binders
    • 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
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)
JP2023556230A 2021-10-29 2022-09-29 正極用バインダー、正極合剤、正極、および非水電解質二次電池 Active JP7633424B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021177878 2021-10-29
JP2021177878 2021-10-29
PCT/JP2022/036379 WO2023074245A1 (ja) 2021-10-29 2022-09-29 正極用バインダー、正極合剤、正極、および非水電解質二次電池

Publications (3)

Publication Number Publication Date
JPWO2023074245A1 JPWO2023074245A1 (https=) 2023-05-04
JPWO2023074245A5 JPWO2023074245A5 (https=) 2024-04-18
JP7633424B2 true JP7633424B2 (ja) 2025-02-19

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JP2023556230A Active JP7633424B2 (ja) 2021-10-29 2022-09-29 正極用バインダー、正極合剤、正極、および非水電解質二次電池

Country Status (4)

Country Link
EP (1) EP4425593A4 (https=)
JP (1) JP7633424B2 (https=)
CN (1) CN118043986A (https=)
WO (1) WO2023074245A1 (https=)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018172596A (ja) 2017-03-31 2018-11-08 株式会社クレハ フッ化ビニリデン共重合体粒子及びその利用

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3467499B2 (ja) * 1995-06-29 2003-11-17 呉羽化学工業株式会社 エポキシ基含有フッ化ビニリデン系共重合体、これを含有する樹脂組成物、電極構造体および二次電池
JP2002216769A (ja) * 2001-01-19 2002-08-02 Hitachi Maxell Ltd 非水二次電池
JP5797206B2 (ja) 2010-12-28 2015-10-21 株式会社クレハ フッ化ビニリデン系共重合体、および該共重合体の用途
US11374223B2 (en) * 2017-06-30 2022-06-28 Ppg Industries Ohio, Inc. Slurry composition including binder containing reaction product of epoxy functional polymer and acid functional polymer for lithium ion electrical storage devices
US20200274149A1 (en) * 2017-09-29 2020-08-27 Gs Yuasa International Ltd. Electrode and energy storage device
JP7141744B2 (ja) 2020-05-12 2022-09-26 株式会社ニューギン 遊技機

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018172596A (ja) 2017-03-31 2018-11-08 株式会社クレハ フッ化ビニリデン共重合体粒子及びその利用

Also Published As

Publication number Publication date
EP4425593A4 (en) 2025-09-10
EP4425593A1 (en) 2024-09-04
JPWO2023074245A1 (https=) 2023-05-04
WO2023074245A1 (ja) 2023-05-04
CN118043986A (zh) 2024-05-14
KR20240059642A (ko) 2024-05-07

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