JP7269512B2 - 固体二次電池用シートの製造方法及び固体二次電池用結着剤 - Google Patents

固体二次電池用シートの製造方法及び固体二次電池用結着剤 Download PDF

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JP7269512B2
JP7269512B2 JP2021210543A JP2021210543A JP7269512B2 JP 7269512 B2 JP7269512 B2 JP 7269512B2 JP 2021210543 A JP2021210543 A JP 2021210543A JP 2021210543 A JP2021210543 A JP 2021210543A JP 7269512 B2 JP7269512 B2 JP 7269512B2
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secondary battery
sheet
binder
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JP2022103142A (ja
Inventor
貴哉 山田
雅彦 山田
健太郎 平賀
献偉 随
純平 寺田
花英 藤原
星風 藤岡
勝貞 徳平
亮太 宇佐美
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Daikin Industries Ltd
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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
    • 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
    • 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
    • H01M10/0587—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
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/04—Processes of manufacture in general
    • H01M4/043—Processes of manufacture in general involving compressing or compaction
    • H01M4/0435—Rolling or calendering
    • 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
    • H01M4/139—Processes of manufacture
    • 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
    • H01M2004/026—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)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Inorganic Chemistry (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)
JP2021210543A 2020-12-25 2021-12-24 固体二次電池用シートの製造方法及び固体二次電池用結着剤 Active JP7269512B2 (ja)

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JP2022103333A JP2022121547A (ja) 2020-12-25 2022-06-28 固体二次電池用シートの製造方法及び固体二次電池用結着剤

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JP2020217248 2020-12-25

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JP2022103333A Pending JP2022121547A (ja) 2020-12-25 2022-06-28 固体二次電池用シートの製造方法及び固体二次電池用結着剤

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US (1) US20230395804A1 (https=)
EP (1) EP4270535A4 (https=)
JP (2) JP7269512B2 (https=)
KR (2) KR20230117457A (https=)
CN (1) CN116686117A (https=)
TW (1) TWI821838B (https=)
WO (1) WO2022138942A1 (https=)

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EP4391117A4 (en) * 2021-09-30 2025-09-17 Daikin Ind Ltd POLYTETRAFLUOROETHYLENE POWDER, ELECTRODE BINDER, ELECTRODE MIXTURE, ELECTRODE, AND SECONDARY BATTERY
CN119234336A (zh) * 2022-05-19 2024-12-31 日产自动车株式会社 全固态电池
JP7492186B1 (ja) 2023-01-18 2024-05-29 ダイキン工業株式会社 電気化学デバイス用合剤、電気化学デバイス用合剤シート、電極、及び、電気化学デバイス
EP4462518A4 (en) 2023-01-18 2026-04-22 Daikin Ind Ltd Tetrafluoroethylene-based polymer, binder for electrochemical devices, electrode mix, electrode, and secondary battery
JP7653042B2 (ja) 2023-01-18 2025-03-28 ダイキン工業株式会社 テトラフルオロエチレン系ポリマー組成物、電気化学デバイス用バインダー、電極合剤、電極、及び、二次電池
JP7684612B2 (ja) 2023-01-18 2025-05-28 ダイキン工業株式会社 テトラフルオロエチレン系ポリマー組成物、電気化学デバイス用バインダー、電極合剤、電極、及び、二次電池
EP4462517A4 (en) 2023-01-18 2025-05-14 Daikin Industries, Ltd. Tetrafluoroethylene-based polymer composition, electrochemical device binder, electrode mixture, electrode, and secondary battery
WO2024154809A1 (ja) 2023-01-18 2024-07-25 ダイキン工業株式会社 フッ素系ポリマー組成物、電気化学デバイス用バインダー、電極合剤、電極、及び、二次電池
JP7583340B2 (ja) 2023-01-18 2024-11-14 ダイキン工業株式会社 電気化学デバイス用合剤、電気化学デバイス用合剤シート、電極、及び、電気化学デバイス
KR102932815B1 (ko) 2023-01-18 2026-03-05 다이킨 고교 가부시키가이샤 전기 화학 디바이스용 합제 자립막, 전극, 및 전기 화학 디바이스
WO2024154805A1 (ja) 2023-01-18 2024-07-25 ダイキン工業株式会社 テトラフルオロエチレン系ポリマー組成物、固体二次電池用バインダー、電解質層用合剤、電極合剤、電極、及び、固体二次電池
WO2024154803A1 (ja) 2023-01-18 2024-07-25 ダイキン工業株式会社 テトラフルオロエチレン系ポリマー組成物、電気化学デバイス用バインダー、電極合剤、電極、及び、二次電池
EP4560738A4 (en) 2023-06-30 2026-02-18 Daikin Ind Ltd Composition of polytetrafluoroethylene, binder for electrochemical devices, electrode mixture, electrode and secondary battery
WO2025005277A1 (ja) 2023-06-30 2025-01-02 ダイキン工業株式会社 ポリテトラフルオロエチレン、電気化学デバイス用バインダー、電極合剤、電極、及び、二次電池
WO2025022624A1 (ja) * 2023-07-26 2025-01-30 日産自動車株式会社 全固体電池用正極
JP7741457B2 (ja) 2024-01-18 2025-09-18 ダイキン工業株式会社 テトラフルオロエチレン系ポリマー組成物、電気化学デバイス用バインダー、電極合剤、電極、及び、二次電池
CN119725367B (zh) * 2024-12-24 2026-04-03 惠州亿纬锂能股份有限公司 干法电极膜及其制备方法、电极和电池

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EP4270535A1 (en) 2023-11-01
TWI821838B (zh) 2023-11-11
US20230395804A1 (en) 2023-12-07
CN116686117A (zh) 2023-09-01
KR20250007014A (ko) 2025-01-13
KR20230117457A (ko) 2023-08-08
JP2022121547A (ja) 2022-08-19
EP4270535A4 (en) 2026-01-21
JP2022103142A (ja) 2022-07-07
WO2022138942A1 (ja) 2022-06-30
TW202231751A (zh) 2022-08-16

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