KR102640642B1 - 탄소질 피복 흑연 입자, 리튬 이온 2차 전지용 부극 및 리튬 이온 2차 전지 - Google Patents

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

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KR102640642B1
KR102640642B1 KR1020237013487A KR20237013487A KR102640642B1 KR 102640642 B1 KR102640642 B1 KR 102640642B1 KR 1020237013487 A KR1020237013487 A KR 1020237013487A KR 20237013487 A KR20237013487 A KR 20237013487A KR 102640642 B1 KR102640642 B1 KR 102640642B1
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graphite particles
carbonaceous
negative electrode
mass
particles
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KR20230059841A (ko
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미키토 스토
유스케 후시와키
아키라 마츠자키
료타 야마지
류타 하가
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제이에프이 케미칼 가부시키가이샤
제이에프이 스틸 가부시키가이샤
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Priority claimed from PCT/JP2022/029171 external-priority patent/WO2023021957A1/ja
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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
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
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    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
    • 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
    • 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
    • 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
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    • 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
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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
    • H01M4/58—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
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    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
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    • C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
    • C01P2004/82—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
    • C01P2004/84—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases one phase coated with the other
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    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
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  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Secondary Cells (AREA)
KR1020237013487A 2021-08-17 2022-07-28 탄소질 피복 흑연 입자, 리튬 이온 2차 전지용 부극 및 리튬 이온 2차 전지 Active KR102640642B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021132663 2021-08-17
JPJP-P-2021-132663 2021-08-17
PCT/JP2022/029171 WO2023021957A1 (ja) 2021-08-17 2022-07-28 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

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KR20230059841A KR20230059841A (ko) 2023-05-03
KR102640642B1 true KR102640642B1 (ko) 2024-02-26

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US (1) US11804594B2 (https=)
EP (1) EP4230582B1 (https=)
JP (1) JP7224563B1 (https=)
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CN (1) CN116368640B (https=)

Citations (6)

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Publication number Priority date Publication date Assignee Title
JP2011029408A (ja) 2009-07-24 2011-02-10 Showa Denko Kk 電気化学キャパシタ並びにそれに用いる電極層およびその製法
JP2014089887A (ja) 2012-10-30 2014-05-15 Hitachi Chemical Co Ltd リチウムイオン二次電池用負極材及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
WO2018043375A1 (ja) 2016-08-29 2018-03-08 株式会社Ｇｓユアサ 蓄電素子およびその製造方法
JP2019019068A (ja) 2017-07-13 2019-02-07 日本曹達株式会社 アリールアゾール化合物および有害生物防除剤
US20210408521A1 (en) 2020-06-26 2021-12-30 Jfe Chemical Corporation Method for producing carbonaceous substance-coated graphite particles

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010013487A1 (ja) 2008-07-31 2010-02-04 昭和電工株式会社 電気化学キャパシタ用の負極層の製造方法
WO2011052452A1 (ja) 2009-10-27 2011-05-05 日立化成工業株式会社 リチウムイオン二次電池負極用炭素粒子、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
JP2016004691A (ja) 2014-06-17 2016-01-12 イビデン株式会社 負極活物質用炭素材料の製造方法
CN118572107A (zh) * 2014-07-07 2024-08-30 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
JP6412520B2 (ja) * 2015-06-01 2018-10-24 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炭素質被覆黒鉛粒子、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
JP2019019048A (ja) 2017-07-13 2019-02-07 Ｊｆｅケミカル株式会社 炭素質被覆黒鉛粒子の製造方法、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
WO2020110943A1 (ja) * 2018-11-26 2020-06-04 昭和電工株式会社 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
WO2020110942A1 (ja) * 2018-11-26 2020-06-04 昭和電工株式会社 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
JP7405647B2 (ja) 2020-03-03 2023-12-26 関西熱化学株式会社 カーボンブラック加圧成形体、及びその製造方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011029408A (ja) 2009-07-24 2011-02-10 Showa Denko Kk 電気化学キャパシタ並びにそれに用いる電極層およびその製法
JP2014089887A (ja) 2012-10-30 2014-05-15 Hitachi Chemical Co Ltd リチウムイオン二次電池用負極材及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
WO2018043375A1 (ja) 2016-08-29 2018-03-08 株式会社Ｇｓユアサ 蓄電素子およびその製造方法
US20190237764A1 (en) 2016-08-29 2019-08-01 Gs Yuasa International Ltd. Energy storage device and method for producing same
JP2019019068A (ja) 2017-07-13 2019-02-07 日本曹達株式会社 アリールアゾール化合物および有害生物防除剤
US20210408521A1 (en) 2020-06-26 2021-12-30 Jfe Chemical Corporation Method for producing carbonaceous substance-coated graphite particles

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Publication number Publication date
CN116368640A (zh) 2023-06-30
US11804594B2 (en) 2023-10-31
JP7224563B1 (ja) 2023-02-17
EP4230582A4 (en) 2024-07-03
EP4230582A1 (en) 2023-08-23
EP4230582B1 (en) 2024-12-04
US20230290934A1 (en) 2023-09-14
CA3229554A1 (en) 2023-02-23
KR20230059841A (ko) 2023-05-03
CN116368640B (zh) 2024-05-17
JPWO2023021957A1 (https=) 2023-02-23

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