CN114080702B - 球状化石墨、包覆球状化石墨、锂离子二次电池用负极及锂二次电池 - Google Patents

球状化石墨、包覆球状化石墨、锂离子二次电池用负极及锂二次电池 Download PDF

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CN114080702B
CN114080702B CN202180003562.XA CN202180003562A CN114080702B CN 114080702 B CN114080702 B CN 114080702B CN 202180003562 A CN202180003562 A CN 202180003562A CN 114080702 B CN114080702 B CN 114080702B
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spheroidized graphite
negative electrode
secondary battery
graphite
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CN114080702A (zh
Inventor
山地辽太
间所靖
小比贺基治
松崎晃
增冈弘之
须藤干人
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JFE Steel Corp
JFE Chemical Corp
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JFE Steel Corp
JFE Chemical Corp
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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
    • H01M4/36—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
    • 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
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
    • 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
    • H01M2004/026—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)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Carbon And Carbon Compounds (AREA)
CN202180003562.XA 2020-02-21 2021-02-12 球状化石墨、包覆球状化石墨、锂离子二次电池用负极及锂二次电池 Active CN114080702B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020-027822 2020-02-21
JP2020027822 2020-02-21
PCT/JP2021/005348 WO2021166812A1 (ja) 2020-02-21 2021-02-12 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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CN114080702A CN114080702A (zh) 2022-02-22
CN114080702B true CN114080702B (zh) 2024-09-13

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JP (1) JP7144625B2 (https=)
KR (1) KR102642860B1 (https=)
CN (1) CN114080702B (https=)
TW (1) TWI747740B (https=)
WO (1) WO2021166812A1 (https=)

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Publication number Priority date Publication date Assignee Title
JP7309087B1 (ja) * 2021-08-17 2023-07-14 Ｊｆｅケミカル株式会社 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
US12351462B1 (en) 2024-10-25 2025-07-08 Urbix, Inc. Graphite shaping and coating devices, systems, and methods

Citations (1)

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CN106663808A (zh) * 2014-07-07 2017-05-10 三菱化学株式会社 碳材料、碳材料的制造方法、以及使用了碳材料的非水系二次电池

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CN201120305Y (zh) * 2007-10-23 2008-09-24 湛江市新蓄能源科技有限公司 一种用于制备球形石墨超微粉体的全自动生产线
JP5345907B2 (ja) * 2009-08-10 2013-11-20 株式会社アーステクニカ 粉体処理設備および粉体処理方法
CN101905883B (zh) * 2010-08-11 2013-01-02 黑龙江省牡丹江农垦奥宇石墨深加工有限公司 一种球形石墨的生产方法
US20130246219A1 (en) 2012-03-14 2013-09-19 Google Inc. Ranking and optimizing trips
JP2013209256A (ja) 2012-03-30 2013-10-10 Mitsubishi Chemicals Corp 複合炭素材及びその製造方法、その複合炭素材を用いた負極並びに蓄電デバイス
JP2014022041A (ja) * 2012-07-12 2014-02-03 Sony Corp 負極活物質および負極活物質の製造方法、ならびにリチウムイオン電池、電池パック、電子機器、電動車両、蓄電装置および電力システム
JP6097706B2 (ja) * 2013-01-29 2017-03-15 Ｊｆｅケミカル株式会社 炭素質被覆黒鉛粒子およびその製造方法ならびに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
JP2014152043A (ja) * 2013-02-04 2014-08-25 Mitsubishi Chemicals Corp 黒鉛粒子の球形化処理装置、処理装置により球形化された球形化黒鉛、該球形化黒鉛を含有するリチウムイオン二次電池用負極、及び該負極を備えるリチウムイオン二次電池
JP2014151219A (ja) * 2013-02-04 2014-08-25 Mitsubishi Chemicals Corp 粉体処理装置、該装置を用いて製造した球形化黒鉛粒子、該球形化黒鉛粒子を含有するリチウムイオン二次電池用負極、及び該負極を備えるリチウムイオン二次電池
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JPWO2021166812A1 (https=) 2021-08-26
TW202132218A (zh) 2021-09-01
JP7144625B2 (ja) 2022-09-29
KR20210153693A (ko) 2021-12-17
WO2021166812A1 (ja) 2021-08-26
CN114080702A (zh) 2022-02-22
TWI747740B (zh) 2021-11-21
KR102642860B1 (ko) 2024-02-29

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