JP7568665B2 - 正極の製造方法および二次電池の製造方法 - Google Patents

正極の製造方法および二次電池の製造方法 Download PDF

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Publication number
JP7568665B2
JP7568665B2 JP2022033161A JP2022033161A JP7568665B2 JP 7568665 B2 JP7568665 B2 JP 7568665B2 JP 2022033161 A JP2022033161 A JP 2022033161A JP 2022033161 A JP2022033161 A JP 2022033161A JP 7568665 B2 JP7568665 B2 JP 7568665B2
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Prior art keywords
positive electrode
active material
electrode active
material layer
cnt
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JP2022033161A
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Japanese (ja)
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JP2023128654A (ja
Inventor
幸俊 上原
秀和 平塚
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Prime Planet Energy and Solutions Inc
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Prime Planet Energy and Solutions Inc
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Priority to JP2022033161A priority Critical patent/JP7568665B2/ja
Priority to US18/176,485 priority patent/US20230282798A1/en
Priority to CN202310200625.1A priority patent/CN116705969A/zh
Publication of JP2023128654A publication Critical patent/JP2023128654A/ja
Priority to JP2024174634A priority patent/JP2024177427A/ja
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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
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/04—Processes of manufacture in general
    • 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
    • H01M4/13—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
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/139—Processes of manufacture
    • H01M4/1391—Processes of manufacture of 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
    • H01M4/62—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
    • H01M4/624—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
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
JP2022033161A 2022-03-04 2022-03-04 正極の製造方法および二次電池の製造方法 Active JP7568665B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2022033161A JP7568665B2 (ja) 2022-03-04 2022-03-04 正極の製造方法および二次電池の製造方法
US18/176,485 US20230282798A1 (en) 2022-03-04 2023-03-01 Method for manufacturing positive electrode and method for manufacturing secondary battery
CN202310200625.1A CN116705969A (zh) 2022-03-04 2023-03-03 正极的制造方法和二次电池的制造方法
JP2024174634A JP2024177427A (ja) 2022-03-04 2024-10-03 正極の製造方法および二次電池の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022033161A JP7568665B2 (ja) 2022-03-04 2022-03-04 正極の製造方法および二次電池の製造方法

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JP2024174634A Division JP2024177427A (ja) 2022-03-04 2024-10-03 正極の製造方法および二次電池の製造方法

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JP2023128654A JP2023128654A (ja) 2023-09-14
JP7568665B2 true JP7568665B2 (ja) 2024-10-16

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JP2022033161A Active JP7568665B2 (ja) 2022-03-04 2022-03-04 正極の製造方法および二次電池の製造方法
JP2024174634A Pending JP2024177427A (ja) 2022-03-04 2024-10-03 正極の製造方法および二次電池の製造方法

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JP (2) JP7568665B2 (https=)
CN (1) CN116705969A (https=)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7568665B2 (ja) * 2022-03-04 2024-10-16 プライムプラネットエナジー＆ソリューションズ株式会社 正極の製造方法および二次電池の製造方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010015904A (ja) 2008-07-04 2010-01-21 Nissan Motor Co Ltd 非水電解液二次電池
JP6933285B1 (ja) 2020-09-03 2021-09-08 東洋インキＳｃホールディングス株式会社 導電材分散体、バインダー樹脂含有導電材分散体、電極膜用スラリー、電極膜、及び、非水電解質二次電池

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7501115B2 (ja) * 2020-06-01 2024-06-18 ａｒｔｉｅｎｃｅ株式会社 導電材分散体およびその利用
JP7568665B2 (ja) * 2022-03-04 2024-10-16 プライムプラネットエナジー＆ソリューションズ株式会社 正極の製造方法および二次電池の製造方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010015904A (ja) 2008-07-04 2010-01-21 Nissan Motor Co Ltd 非水電解液二次電池
JP6933285B1 (ja) 2020-09-03 2021-09-08 東洋インキＳｃホールディングス株式会社 導電材分散体、バインダー樹脂含有導電材分散体、電極膜用スラリー、電極膜、及び、非水電解質二次電池

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US20230282798A1 (en) 2023-09-07
JP2024177427A (ja) 2024-12-19
JP2023128654A (ja) 2023-09-14
CN116705969A (zh) 2023-09-05

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