JP7498267B2 - 球状化カーボン系負極活物質、その製造方法、それを含む負極、及びリチウム二次電池 - Google Patents

球状化カーボン系負極活物質、その製造方法、それを含む負極、及びリチウム二次電池 Download PDF

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JP7498267B2
JP7498267B2 JP2022519323A JP2022519323A JP7498267B2 JP 7498267 B2 JP7498267 B2 JP 7498267B2 JP 2022519323 A JP2022519323 A JP 2022519323A JP 2022519323 A JP2022519323 A JP 2022519323A JP 7498267 B2 JP7498267 B2 JP 7498267B2
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negative electrode
active material
electrode active
carbon
flake graphite
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JP2022551434A (ja
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ヒョン－チョル・キム
サン－ウク・ウ
ドン－スブ・ジュン
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LG Energy Solution Ltd
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    • C—CHEMISTRY; METALLURGY
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    • 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
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    • C01B32/20—Graphite
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    • 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
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    • H01M4/0402—Methods of deposition of the material
    • H01M4/0404—Methods of deposition of the material by coating on electrode collectors
    • H—ELECTRICITY
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    • 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
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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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    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/139—Processes of manufacture
    • H01M4/1393—Processes of manufacture of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
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    • H01M4/36—Selection of substances as active materials, active masses, active liquids
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    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • H01M4/364—Composites as mixtures
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    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • H01M4/366—Composites as layered products
    • 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
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    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
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    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
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JP2022519323A 2019-10-04 2020-09-29 球状化カーボン系負極活物質、その製造方法、それを含む負極、及びリチウム二次電池 Active JP7498267B2 (ja)

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KR10-2019-0123397 2019-10-04
KR20190123397 2019-10-04
PCT/KR2020/013430 WO2021066582A1 (ko) 2019-10-04 2020-09-29 구형화된 카본계 음극활물질, 이의 제조방법, 이를 포함하는 음극 및 리튬 이차전지

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KR102664903B1 (ko) * 2021-09-29 2024-05-14 주식회사 엘지에너지솔루션 음극 활물질, 이의 제조방법, 이를 포함하는 음극 및 이차전지
KR20240087705A (ko) * 2021-10-28 2024-06-19 미쯔비시 케미컬 주식회사 탄소재 및 그 제조 방법과, 이차 전지 및 그 제조 방법
KR102691511B1 (ko) * 2022-05-20 2024-08-05 주식회사 엘피엔 신규한 조립구상흑연의 제조방법, 이를 이용하여 제조된 조립구상흑연, 및 이를 음극활물질로 포함하는 이차전지
CN121158775B (zh) * 2025-09-10 2026-03-27 青岛晨阳石墨有限公司 球形石墨比表面积优化的锂电池负极材料研发及应用
CN121355186A (zh) * 2025-12-19 2026-01-16 比亚迪股份有限公司 负极活性层、负极片、电池及用电设备

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JP2015118821A (ja) 2013-12-19 2015-06-25 トヨタ自動車株式会社 非水電解質二次電池電極用シートの製造方法および非水電解質二次電池の製造方法
WO2016125819A1 (ja) 2015-02-06 2016-08-11 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
JP2018514918A (ja) 2015-04-29 2018-06-07 エルジー・ケム・リミテッド 負極活物質及びこれを含む負極

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US12476251B2 (en) 2025-11-18
CN114402460A (zh) 2022-04-26
US20220344660A1 (en) 2022-10-27
EP4024512A4 (en) 2022-11-02
CN114402460B (zh) 2025-06-06
KR20210040809A (ko) 2021-04-14
WO2021066582A1 (ko) 2021-04-08
JP2022551434A (ja) 2022-12-09
EP4024512A1 (en) 2022-07-06

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