KR102618399B1 - 피복 구상화 흑연, 리튬 이온 2차 전지용 부극 및 리튬 이온 2차 전지 - Google Patents

피복 구상화 흑연, 리튬 이온 2차 전지용 부극 및 리튬 이온 2차 전지 Download PDF

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KR102618399B1
KR102618399B1 KR1020237011485A KR20237011485A KR102618399B1 KR 102618399 B1 KR102618399 B1 KR 102618399B1 KR 1020237011485 A KR1020237011485 A KR 1020237011485A KR 20237011485 A KR20237011485 A KR 20237011485A KR 102618399 B1 KR102618399 B1 KR 102618399B1
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graphite
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negative electrode
coated
spheroidized graphite
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KR20230051609A (ko
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료타 야마지
야스시 마도코로
아키라 마츠자키
유스케 후시와키
미키토 스토
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제이에프이 케미칼 가부시키가이샤
제이에프이 스틸 가부시키가이샤
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    • 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
    • C01B32/21—After-treatment
    • 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
    • H01M4/13—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
    • 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
    • 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
    • H01M4/362—Composites
    • H01M4/366—Composites as layered products
    • 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
    • H01M4/58—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
    • 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
    • H01M4/58—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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/32—Spheres
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/51—Particles with a specific particle size distribution
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/14—Pore volume
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/16—Pore diameter
    • 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
    • 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)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Battery Electrode And Active Subsutance (AREA)
KR1020237011485A 2021-08-17 2022-07-28 피복 구상화 흑연, 리튬 이온 2차 전지용 부극 및 리튬 이온 2차 전지 Active KR102618399B1 (ko)

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JPJP-P-2021-132828 2021-08-17
JP2021132828 2021-08-17
PCT/JP2022/029174 WO2023021958A1 (ja) 2021-08-17 2022-07-28 被覆球状化黒鉛、リチウムイオン二次電池用負極およびリチウムイオン二次電池

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KR102618399B1 true KR102618399B1 (ko) 2023-12-27

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US (1) US11840452B2 (https=)
EP (1) EP4212479A4 (https=)
JP (1) JP7309087B1 (https=)
KR (1) KR102618399B1 (https=)
CN (1) CN116368635B (https=)
CA (2) CA3234344C (https=)
TW (1) TWI825921B (https=)
WO (1) WO2023021958A1 (https=)

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KR102691511B1 (ko) * 2022-05-20 2024-08-05 주식회사 엘피엔 신규한 조립구상흑연의 제조방법, 이를 이용하여 제조된 조립구상흑연, 및 이를 음극활물질로 포함하는 이차전지
EP4579770A4 (en) * 2022-09-30 2025-09-10 Ningde Amperex Technology Ltd NEGATIVE ELECTRODE MATERIAL, RECHARGEABLE BATTERY AND ELECTRICAL APPLIANCE
EP4657532A3 (en) * 2022-09-30 2026-02-18 LG Energy Solution, Ltd. Negative electrode and secondary battery

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JP2012216545A (ja) 2011-03-30 2012-11-08 Mitsubishi Chemicals Corp 非水系二次電池用黒鉛粒子及びその製造方法、負極並びに非水系二次電池
JP2012216537A (ja) 2011-03-30 2012-11-08 Mitsubishi Chemicals Corp 非水系二次電池用炭素材、及び負極、並びに、非水系二次電池
JP2016105396A (ja) * 2014-11-19 2016-06-09 三菱化学株式会社 非水系二次電池用炭素材及び非水系二次電池
US20170187041A1 (en) 2014-07-07 2017-06-29 Mitsubishi Chemical Corporation Carbon material, method for producing carbon material, and non-aqueous secondary battery using carbon material
JP2017134937A (ja) 2016-01-26 2017-08-03 東ソー株式会社 リチウム二次電池用複合活物質およびその製造方法
WO2021166812A1 (ja) 2020-02-21 2021-08-26 Ｊｆｅケミカル株式会社 球状化黒鉛、被覆球状化黒鉛、リチウムイオン二次電池用負極およびリチウム二次電池

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US8038977B2 (en) 2008-02-06 2011-10-18 Chuo Denki Kogyo Co., Ltd. Carbon powder suitable as a negative electrode material for nonaqueous secondary batteries
JP5754098B2 (ja) 2009-09-15 2015-07-22 三菱化学株式会社 リチウムイオン二次電池用炭素材料
EP2650955B1 (en) * 2010-12-08 2015-11-04 Nippon Coke & Engineering Co., Ltd. Negative electrode material for lithium ion secondary batteries, and method for producing same
JP6040022B2 (ja) * 2012-03-02 2016-12-07 Ｊｆｅケミカル株式会社 リチウムイオン二次電池用負極材料、リチウムイオン二次電池用負極およびリチウムイオン二次電池
ES2663004T3 (es) * 2012-05-21 2018-04-10 Imerys Graphite & Carbon Switzerland Ltd. Partículas híbridas de carbón de superficie modificada, procedimientos para hacerlas y aplicaciones de las mismas
CN105050952A (zh) 2013-03-26 2015-11-11 三菱化学株式会社 碳材料、使用该碳材料的非水系二次电池
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JP6240586B2 (ja) * 2014-10-28 2017-11-29 Ｊｆｅケミカル株式会社 リチウムイオン二次電池負極材料用黒鉛質粒子、リチウムイオン二次電池負極およびリチウムイオン二次電池
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Publication number Priority date Publication date Assignee Title
JP2012216545A (ja) 2011-03-30 2012-11-08 Mitsubishi Chemicals Corp 非水系二次電池用黒鉛粒子及びその製造方法、負極並びに非水系二次電池
JP2012216537A (ja) 2011-03-30 2012-11-08 Mitsubishi Chemicals Corp 非水系二次電池用炭素材、及び負極、並びに、非水系二次電池
US20170187041A1 (en) 2014-07-07 2017-06-29 Mitsubishi Chemical Corporation Carbon material, method for producing carbon material, and non-aqueous secondary battery using carbon material
JP2016105396A (ja) * 2014-11-19 2016-06-09 三菱化学株式会社 非水系二次電池用炭素材及び非水系二次電池
JP2017134937A (ja) 2016-01-26 2017-08-03 東ソー株式会社 リチウム二次電池用複合活物質およびその製造方法
WO2021166812A1 (ja) 2020-02-21 2021-08-26 Ｊｆｅケミカル株式会社 球状化黒鉛、被覆球状化黒鉛、リチウムイオン二次電池用負極およびリチウム二次電池

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TWI825921B (zh) 2023-12-11
TW202313464A (zh) 2023-04-01
CA3229558A1 (en) 2023-02-23
CN116368635B (zh) 2024-03-29
EP4212479A1 (en) 2023-07-19
JPWO2023021958A1 (https=) 2023-02-23
CN116368635A (zh) 2023-06-30
EP4212479A4 (en) 2024-07-24
CA3234344C (en) 2025-06-10
JP7309087B1 (ja) 2023-07-14
KR20230051609A (ko) 2023-04-18
WO2023021958A1 (ja) 2023-02-23
US11840452B2 (en) 2023-12-12
US20230286806A1 (en) 2023-09-14
CA3234344A1 (en) 2023-02-23

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