KR102941160B1 - 이차 전지용 전극 합제, 이차 전지용 전극 합제 시트 및 그 제조 방법 그리고 이차 전지 - Google Patents

이차 전지용 전극 합제, 이차 전지용 전극 합제 시트 및 그 제조 방법 그리고 이차 전지

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KR102941160B1
KR102941160B1 KR1020237010805A KR20237010805A KR102941160B1 KR 102941160 B1 KR102941160 B1 KR 102941160B1 KR 1020237010805 A KR1020237010805 A KR 1020237010805A KR 20237010805 A KR20237010805 A KR 20237010805A KR 102941160 B1 KR102941160 B1 KR 102941160B1
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South Korea
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electrode composite
secondary battery
sheet
electrode
binder
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KR1020237010805A
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Korean (ko)
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KR20230058152A (ko
Inventor
다카야 야마다
마사히코 야마다
시게아키 야마자키
준페이 데라다
가에 후지와라
겐타로 히라가
지안웨이 스이
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다이킨 고교 가부시키가이샤
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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
    • H01M4/04—Processes of manufacture in general
    • H01M4/0402—Methods of deposition of the material
    • H01M4/0404—Methods of deposition of the material by coating on electrode collectors
    • 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
    • H01M4/0402—Methods of deposition of the material
    • H01M4/0409—Methods of deposition of the material by a doctor blade method, slip-casting or roller coating
    • 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
    • H01M4/13—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
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/134—Electrodes based on metals, Si or alloys
    • 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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
    • H01M4/386—Silicon or alloys based on silicon
    • 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
    • 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
    • H01M2004/027—Negative electrodes
    • 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)
KR1020237010805A 2020-09-01 2021-08-31 이차 전지용 전극 합제, 이차 전지용 전극 합제 시트 및 그 제조 방법 그리고 이차 전지 Active KR102941160B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JPJP-P-2020-146852 2020-09-01
JP2020146852 2020-09-01
PCT/JP2021/031851 WO2022050251A1 (ja) 2020-09-01 2021-08-31 二次電池用電極合剤、二次電池用電極合剤シート及びその製造方法並びに二次電池

Publications (2)

Publication Number Publication Date
KR20230058152A KR20230058152A (ko) 2023-05-02
KR102941160B1 true KR102941160B1 (ko) 2026-03-19

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Country Status (7)

Country Link
US (1) US20230207821A1 (https=)
EP (2) EP4210127A4 (https=)
JP (1) JP7560764B2 (https=)
KR (1) KR102941160B1 (https=)
CN (1) CN116018695A (https=)
TW (1) TW202224243A (https=)
WO (1) WO2022050251A1 (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
US20250046820A1 (en) * 2021-12-23 2025-02-06 Panasonic Intellectual Property Management Co., Ltd. Electrode, non-aqueous electrolyte secondary battery, and electrode manufacturing method
WO2023167299A1 (ja) * 2022-03-02 2023-09-07 ダイキン工業株式会社 二次電池用合剤、二次電池用合剤シート及びその製造方法並びに二次電池
EP4489142A4 (en) * 2022-03-02 2025-07-16 Daikin Ind Ltd BINDER FOR SECONDARY BATTERY, BINDER SHEET FOR SECONDARY BATTERY, PRODUCTION METHOD THEREOF AND SECONDARY BATTERY
JPWO2023182030A1 (https=) * 2022-03-24 2023-09-28
CN119234336A (zh) * 2022-05-19 2024-12-31 日产自动车株式会社 全固态电池
JP7667211B2 (ja) * 2022-08-10 2025-04-22 ダイキン工業株式会社 電気化学デバイス用バインダー用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
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
KR102932815B1 (ko) * 2023-01-18 2026-03-05 다이킨 고교 가부시키가이샤 전기 화학 디바이스용 합제 자립막, 전극, 및 전기 화학 디바이스
EP4462518A4 (en) * 2023-01-18 2026-04-22 Daikin Ind Ltd Tetrafluoroethylene-based polymer, binder for electrochemical devices, electrode mix, electrode, and secondary battery
KR20250149459A (ko) * 2024-04-09 2025-10-16 삼성에스디아이 주식회사 리튬 이차 전지용 음극, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지

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JP2012099315A (ja) * 2010-11-01 2012-05-24 Sumitomo Electric Ind Ltd 全固体リチウム電池用正極とその製造方法および全固体リチウム電池

Also Published As

Publication number Publication date
EP4210127A1 (en) 2023-07-12
JPWO2022050251A1 (https=) 2022-03-10
EP4210127A4 (en) 2025-01-29
EP4614626A2 (en) 2025-09-10
EP4614626A3 (en) 2025-12-03
KR20230058152A (ko) 2023-05-02
JP7560764B2 (ja) 2024-10-03
CN116018695A (zh) 2023-04-25
US20230207821A1 (en) 2023-06-29
WO2022050251A1 (ja) 2022-03-10
TW202224243A (zh) 2022-06-16

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