JP7144625B2 - 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 - Google Patents

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 Download PDF

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JP7144625B2
JP7144625B2 JP2021552677A JP2021552677A JP7144625B2 JP 7144625 B2 JP7144625 B2 JP 7144625B2 JP 2021552677 A JP2021552677 A JP 2021552677A JP 2021552677 A JP2021552677 A JP 2021552677A JP 7144625 B2 JP7144625 B2 JP 7144625B2
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spheroidized graphite
negative electrode
graphite
coated
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JPWO2021166812A1 (https=
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遼太 山地
靖 間所
基治 小比賀
晃 松崎
弘之 増岡
幹人 須藤
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JFE Steel Corp
JFE Chemical Corp
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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
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    • C01P2004/51—Particles with a specific particle size distribution
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    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—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
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    • 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
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    • 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)
JP2021552677A 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 Active JP7144625B2 (ja)

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JP2020027822 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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KR (1) KR102642860B1 (https=)
CN (1) CN114080702B (https=)
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WO (1) WO2021166812A1 (https=)

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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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
JP2018133340A (ja) 2013-01-29 2018-08-23 Ｊｆｅケミカル株式会社 炭素質被覆黒鉛粒子、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

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3364378B2 (ja) * 1996-03-15 2003-01-08 株式会社東芝 非水電解液二次電池および非水電解液二次電池の製造方法
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
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
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
KR102823784B1 (ko) * 2014-07-07 2025-06-20 미쯔비시 케미컬 주식회사 탄소재, 탄소재의 제조 방법 및 탄소재를 사용한 비수계 2 차 전지
KR101685832B1 (ko) * 2014-07-29 2016-12-12 주식회사 엘지화학 흑연 2차 입자 및 이를 포함하는 리튬 이차전지
KR101817418B1 (ko) * 2015-03-23 2018-01-11 주식회사 엘지화학 음극 활물질 및 이의 제조방법
JP7099325B2 (ja) * 2016-11-22 2022-07-12 三菱ケミカル株式会社 非水系二次電池用負極材、非水系二次電池用負極及び非水系二次電池
JP7067029B2 (ja) * 2016-11-22 2022-05-16 三菱ケミカル株式会社 非水系二次電池用負極材、非水系二次電池用負極及び非水系二次電池
JP6757704B2 (ja) * 2017-08-31 2020-09-23 日本カーボン株式会社 リチウムイオンキャパシタ用負極活物質の製造方法
CN107768669B (zh) * 2017-10-13 2020-12-01 乌兰察布市大盛石墨新材料股份有限公司 球形石墨及其制备方法
US11646406B2 (en) * 2017-12-22 2023-05-09 Tokai Carbon Co., Ltd. Negative electrode material for lithium-ion secondary battery and method for producing negative electrode material for lithium-ion secondary battery
JP7621337B2 (ja) * 2019-08-21 2025-01-24 シラー リソーシーズ リミテッド 珪酸塩を含む球状天然黒鉛をベースにしたリチウムイオン電池アノード材料

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP2018133340A (ja) 2013-01-29 2018-08-23 Ｊｆｅケミカル株式会社 炭素質被覆黒鉛粒子、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
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

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TW202132218A (zh) 2021-09-01
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
CN114080702B (zh) 2024-09-13

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