JP7695041B2 - 負極及びそれを含む二次電池 - Google Patents

負極及びそれを含む二次電池 Download PDF

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JP7695041B2
JP7695041B2 JP2022527809A JP2022527809A JP7695041B2 JP 7695041 B2 JP7695041 B2 JP 7695041B2 JP 2022527809 A JP2022527809 A JP 2022527809A JP 2022527809 A JP2022527809 A JP 2022527809A JP 7695041 B2 JP7695041 B2 JP 7695041B2
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negative electrode
active material
carbon nanotube
electrode active
material layer
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JP2023502611A (ja
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テ・ゴン・キム
キ・ウォン・スン
ジュ・ヨル・ペク
ミン・カク
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LG Energy Solution Ltd
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    • 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
    • H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • 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
    • H01M4/04—Processes of manufacture in general
    • H01M4/0402—Methods of deposition of the material
    • H01M4/0404—Methods of deposition of the material by coating on electrode collectors
    • 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
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/134—Electrodes based on metals, Si or alloys
    • 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
    • H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
    • H01M4/386—Silicon or alloys based on silicon
    • 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
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/483—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides for non-aqueous cells
    • 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
    • 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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624—Electric conductive fillers
    • H01M4/625—Carbon or graphite
    • 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)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Battery Electrode And Active Subsutance (AREA)
JP2022527809A 2020-04-22 2021-04-21 負極及びそれを含む二次電池 Active JP7695041B2 (ja)

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JP2024166265A JP2025000763A (ja) 2020-04-22 2024-09-25 負極及びそれを含む二次電池

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KR10-2020-0048940 2020-04-22
KR20200048940 2020-04-22
PCT/KR2021/005040 WO2021215830A1 (ko) 2020-04-22 2021-04-21 음극 및 이를 포함하는 이차 전지

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EP (2) EP4614601A3 (https=)
JP (2) JP7695041B2 (https=)
KR (2) KR102801625B1 (https=)
CN (2) CN119170740A (https=)
ES (1) ES3044115T3 (https=)
HU (1) HUE073318T2 (https=)
PL (1) PL4044275T3 (https=)
WO (1) WO2021215830A1 (https=)

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WO2023121420A1 (ko) * 2021-12-24 2023-06-29 주식회사 엘지에너지솔루션 음극 및 이를 포함하는 이차전지
JP7826024B2 (ja) * 2022-01-26 2026-03-09 三星電子株式会社 固体二次電池
CN118476054A (zh) * 2022-06-23 2024-08-09 株式会社Lg新能源 锂二次电池用负极和包含负极的锂二次电池
US20250055020A1 (en) * 2022-06-23 2025-02-13 Lg Energy Solution, Ltd. Lithium secondary battery anode, method for manufacturing lithium secondary battery anode, and lithium secondary battery comprising anode
JP7672369B2 (ja) * 2022-08-09 2025-05-07 プライムプラネットエナジー＆ソリューションズ株式会社 負極およびこれを備える二次電池
KR102647364B1 (ko) * 2022-09-02 2024-03-13 에스케이온 주식회사 음극 및 이를 포함하는 이차전지
WO2024085622A1 (ko) * 2022-10-21 2024-04-25 주식회사 엘지에너지솔루션 음극 조성물, 이의 제조방법, 음극, 이를 포함하는 리튬 이차 전지
KR102651795B1 (ko) * 2022-11-03 2024-03-27 주식회사 이노플라즈텍 이차전지용 음극재 및 그 이차전지용 음극재의 제조방법
KR102875131B1 (ko) * 2023-02-06 2025-10-21 삼성에스디아이 주식회사 리튬 이차 전지용 음극 및 이를 포함하는 리튬 이차 전지
CN116111098B (zh) * 2023-04-11 2023-08-22 宁德新能源科技有限公司 负极片、二次电池以及电子设备
CN116111046B (zh) * 2023-04-11 2023-08-22 宁德新能源科技有限公司 负极片、二次电池和电子设备
CN116111096B (zh) * 2023-04-11 2023-08-18 宁德新能源科技有限公司 安全涂层组合物、正极片、二次电池和电子设备
WO2026009466A1 (ja) * 2024-07-01 2026-01-08 株式会社カーボンフライ カーボンナノチューブ分散液

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EP4044275A1 (en) 2022-08-17
US12255324B2 (en) 2025-03-18
KR20210130659A (ko) 2021-11-01
PL4044275T3 (pl) 2025-11-17
EP4044275B1 (en) 2025-09-10
CN114730859A (zh) 2022-07-08
KR102801625B1 (ko) 2025-05-07
WO2021215830A1 (ko) 2021-10-28
CN114730859B (zh) 2024-10-01
US20250192165A1 (en) 2025-06-12
CN119170740A (zh) 2024-12-20
EP4044275A4 (en) 2023-08-02
ES3044115T3 (en) 2025-11-26
JP2023502611A (ja) 2023-01-25
JP2025000763A (ja) 2025-01-07
EP4614601A2 (en) 2025-09-10
EP4614601A3 (en) 2026-01-14
KR20250067095A (ko) 2025-05-14
HUE073318T2 (hu) 2026-01-28
US20220384790A1 (en) 2022-12-01

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