CN115336030A - 二次电池用电极及其制造方法 - Google Patents

二次电池用电极及其制造方法 Download PDF

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Publication number
CN115336030A
CN115336030A CN202180021893.6A CN202180021893A CN115336030A CN 115336030 A CN115336030 A CN 115336030A CN 202180021893 A CN202180021893 A CN 202180021893A CN 115336030 A CN115336030 A CN 115336030A
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CN
China
Prior art keywords
sheet
binder
electrode composite
positive electrode
electrode
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CN202180021893.6A
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English (en)
Chinese (zh)
Inventor
神拓弥
加藤大辅
近藤真一郎
泉礼子
宇贺治正弥
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Panasonic Intellectual Property Management Co Ltd
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Panasonic Intellectual Property Management Co Ltd
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Publication of CN115336030A publication Critical patent/CN115336030A/zh
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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
    • 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
    • H01M4/04—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
    • H01M4/043—Processes of manufacture in general involving compressing or compaction
    • 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
    • H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
    • 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
    • H01M4/139—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
    • H01M2004/021—Physical characteristics, e.g. porosity, surface area
    • 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)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)
CN202180021893.6A 2020-03-24 2021-01-19 二次电池用电极及其制造方法 Pending CN115336030A (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020-052754 2020-03-24
JP2020052754 2020-03-24
PCT/JP2021/001563 WO2021192541A1 (ja) 2020-03-24 2021-01-19 二次電池用電極およびその製造方法

Publications (1)

Publication Number Publication Date
CN115336030A true CN115336030A (zh) 2022-11-11

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Family Applications (1)

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CN202180021893.6A Pending CN115336030A (zh) 2020-03-24 2021-01-19 二次电池用电极及其制造方法

Country Status (5)

Country Link
US (1) US12555793B2 (https=)
EP (1) EP4131458A4 (https=)
JP (1) JPWO2021192541A1 (https=)
CN (1) CN115336030A (https=)
WO (1) WO2021192541A1 (https=)

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EP4120383A4 (en) * 2020-03-11 2024-07-31 Panasonic Intellectual Property Management Co., Ltd. ELECTRODE FOR SECONDARY BATTERY AND PRODUCTION METHOD THEREFOR
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WO2023146377A1 (ko) * 2022-01-28 2023-08-03 주식회사 엘지에너지솔루션 이차전지
TW202345445A (zh) * 2022-03-02 2023-11-16 日商大金工業股份有限公司 二次電池用合劑、二次電池用合劑片、二次電池用合劑片之製造方法及二次電池
CN117638066A (zh) * 2022-08-16 2024-03-01 通用汽车环球科技运作有限责任公司 用于厚电极的结晶材料添加剂
JP7771900B2 (ja) * 2022-09-06 2025-11-18 トヨタ自動車株式会社 リチウムイオン電池
JP7560797B2 (ja) 2023-01-18 2024-10-03 ダイキン工業株式会社 電気化学デバイス用合剤自立膜、電極、及び、電気化学デバイス
EP4525095A4 (en) 2023-01-18 2026-04-08 Daikin Ind Ltd Tetrafluoroethylene polymer composition, binder for semiconductor secondary batteries, electrolyte layer mixture, electrode mixture, electrode and semiconductor secondary battery
EP4456182A4 (en) 2023-01-18 2025-09-03 Daikin Ind Ltd MIXTURE FOR ELECTROCHEMICAL DEVICE, MIXTURE SHEET FOR ELECTROCHEMICAL DEVICE, ELECTRODE AND ELECTROCHEMICAL DEVICE
EP4462519A4 (en) 2023-01-18 2025-05-14 Daikin Industries, Ltd. Tetrafluoroethylene-based polymer composition, binder for electrochemical devices, electrode mix, electrode, and secondary battery
JP7834119B2 (ja) 2023-01-18 2026-03-23 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、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
WO2024154773A1 (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
EP4481860A4 (en) 2023-01-18 2025-07-23 Daikin Ind Ltd MIXTURE FOR ELECTROCHEMICAL DEVICE, MIXTURE SHEET FOR ELECTROCHEMICAL DEVICE, ELECTRODE, AND ELECTROCHEMICAL DEVICE
JP7583341B2 (ja) 2023-01-18 2024-11-14 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
EP4471908A4 (en) 2023-01-18 2025-10-01 Daikin Ind Ltd TETRAFLUOROETHYLENE-BASED POLYMER COMPOSITION, BINDER FOR ELECTROCHEMICAL DEVICE, MIXTURE FOR ELECTRODE, ELECTRODE, AND SECONDARY BATTERY
KR20250129778A (ko) 2023-01-18 2025-08-29 다이킨 고교 가부시키가이샤 불소계 폴리머 조성물, 전기 화학 디바이스용 바인더, 전극 합제, 전극, 및 이차 전지
CN121420382A (zh) 2023-06-30 2026-01-27 大金工业株式会社 聚四氟乙烯组合物、电化学器件用粘结剂、电极合剂、电极和二次电池
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
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117497684A (zh) * 2023-10-30 2024-02-02 惠州亿纬锂能股份有限公司 一种纤维化蓬松粉体及其制备方法和锂离子电池

Also Published As

Publication number Publication date
US12555793B2 (en) 2026-02-17
US20230108728A1 (en) 2023-04-06
EP4131458A4 (en) 2024-07-24
EP4131458A1 (en) 2023-02-08
WO2021192541A1 (ja) 2021-09-30
JPWO2021192541A1 (https=) 2021-09-30

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Application publication date: 20221111