KR20220134559A - 리튬이온 이차전지용 음극재 및 그 제조 방법, 리튬이온 이차전지용 음극, 및 리튬이온 이차전지 - Google Patents

리튬이온 이차전지용 음극재 및 그 제조 방법, 리튬이온 이차전지용 음극, 및 리튬이온 이차전지 Download PDF

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KR20220134559A
KR20220134559A KR1020227026661A KR20227026661A KR20220134559A KR 20220134559 A KR20220134559 A KR 20220134559A KR 1020227026661 A KR1020227026661 A KR 1020227026661A KR 20227026661 A KR20227026661 A KR 20227026661A KR 20220134559 A KR20220134559 A KR 20220134559A
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negative electrode
lithium ion
ion secondary
electrode material
particles
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히데유키 츠치야
요시유키 토쿠다
케이타 스가
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쇼와덴코머티리얼즈가부시끼가이샤
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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
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    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • H—ELECTRICITY
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    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
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    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/20—Graphite
    • C01B32/205—Preparation
    • 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
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    • H—ELECTRICITY
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    • H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
    • H—ELECTRICITY
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    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
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    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
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    • C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
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    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
    • C01P2004/24—Nanoplates, i.e. plate-like particles with a thickness from 1-100 nanometer
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    • H—ELECTRICITY
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    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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    • 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
    • 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
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    • Y02E60/10—Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
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  • Inorganic Chemistry (AREA)
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  • Composite Materials (AREA)
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  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Battery Electrode And Active Subsutance (AREA)
KR1020227026661A 2020-01-30 2020-01-30 리튬이온 이차전지용 음극재 및 그 제조 방법, 리튬이온 이차전지용 음극, 및 리튬이온 이차전지 Ceased KR20220134559A (ko)

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PCT/JP2020/003463 WO2021152778A1 (ja) 2020-01-30 2020-01-30 リチウムイオン二次電池用負極材及びその製造方法、リチウムイオン二次電池用負極、並びにリチウムイオン二次電池

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US (1) US20230084916A1 (https=)
EP (1) EP4099442A4 (https=)
JP (1) JP7666336B2 (https=)
KR (1) KR20220134559A (https=)
CN (1) CN115023828A (https=)
WO (1) WO2021152778A1 (https=)

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WO2023139662A1 (ja) * 2022-01-18 2023-07-27 株式会社レゾナック リチウムイオン二次電池用負極材、リチウムイオン二次電池用負極材の製造方法、リチウムイオン二次電池用負極及びリチウムイオン二次電池
WO2024028993A1 (ja) * 2022-08-02 2024-02-08 株式会社レゾナック リチウムイオン二次電池用負極材の製造方法及びリチウムイオン二次電池の製造方法
CN115732767A (zh) * 2022-11-29 2023-03-03 深圳市科瑞隆科技有限公司 -25℃至90℃可正常放电的单卷芯卷绕结构宽温电池
CN116281995B (zh) * 2023-03-22 2024-01-30 宁夏碳谷能源科技股份有限公司 负极材料石墨化预处理方法
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CN117878272A (zh) * 2023-12-25 2024-04-12 惠州锂威新能源科技有限公司 一种负极活性材料及其制备方法和应用
WO2025206372A1 (ja) * 2024-03-29 2025-10-02 三菱ケミカル株式会社 炭素材、負極及び二次電池
WO2025206368A1 (ja) * 2024-03-29 2025-10-02 三菱ケミカル株式会社 炭素材組成物、負極及び二次電池

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JP7666336B2 (ja) 2025-04-22
US20230084916A1 (en) 2023-03-16
EP4099442A4 (en) 2023-03-22
EP4099442A1 (en) 2022-12-07
JPWO2021152778A1 (https=) 2021-08-05
WO2021152778A1 (ja) 2021-08-05

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