KR102801625B1 - 음극 및 이를 포함하는 이차 전지 - Google Patents

음극 및 이를 포함하는 이차 전지 Download PDF

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Publication number
KR102801625B1
KR102801625B1 KR1020210051760A KR20210051760A KR102801625B1 KR 102801625 B1 KR102801625 B1 KR 102801625B1 KR 1020210051760 A KR1020210051760 A KR 1020210051760A KR 20210051760 A KR20210051760 A KR 20210051760A KR 102801625 B1 KR102801625 B1 KR 102801625B1
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negative electrode
active material
carbon nanotube
electrode active
material layer
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KR20210130659A (ko
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김태곤
성기원
백주열
곽민
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주식회사 엘지에너지솔루션
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/131Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/04Processes of manufacture in general
    • H01M4/0402Methods of deposition of the material
    • H01M4/0404Methods of deposition of the material by coating on electrode collectors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/133Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/13Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/134Electrodes based on metals, Si or alloys
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/362Composites
    • H01M4/366Composites as layered products
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/38Selection of substances as active materials, active masses, active liquids of elements or alloys
    • H01M4/386Silicon or alloys based on silicon
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/48Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/483Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides for non-aqueous cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/36Selection of substances as active materials, active masses, active liquids
    • H01M4/58Selection 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
    • H01M4/583Carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • H01M4/587Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M4/62Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624Electric conductive fillers
    • H01M4/625Carbon or graphite
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00Electrodes
    • H01M4/02Electrodes composed of, or comprising, active material
    • H01M2004/026Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/027Negative electrodes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy 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)
KR1020210051760A 2020-04-22 2021-04-21 음극 및 이를 포함하는 이차 전지 Active KR102801625B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020250053206A KR20250067095A (ko) 2020-04-22 2025-04-23 음극 및 이를 포함하는 이차 전지

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20200048940 2020-04-22
KR1020200048940 2020-04-22

Related Child Applications (1)

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Publications (2)

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KR20210130659A KR20210130659A (ko) 2021-11-01
KR102801625B1 true KR102801625B1 (ko) 2025-05-07

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KR1020250053206A Pending KR20250067095A (ko) 2020-04-22 2025-04-23 음극 및 이를 포함하는 이차 전지

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US (2) US12255324B2 (https=)
EP (2) EP4614601A3 (https=)
JP (2) JP7695041B2 (https=)
KR (2) KR102801625B1 (https=)
CN (2) CN114730859B (https=)
ES (1) ES3044115T3 (https=)
HU (1) HUE073318T2 (https=)
PL (1) PL4044275T3 (https=)
WO (1) WO2021215830A1 (https=)

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JP7826024B2 (ja) * 2022-01-26 2026-03-09 三星電子株式会社 固体二次電池
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
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
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
CN119365999A (zh) * 2022-10-21 2025-01-24 株式会社Lg新能源 负极组合物、其制备方法、负极和包含其的锂二次电池
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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WO2019194662A1 (ko) 2018-04-06 2019-10-10 주식회사 엘지화학 전극, 상기 전극을 포함하는 이차 전지, 및 상기 전극의 제조 방법
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Publication number Publication date
PL4044275T3 (pl) 2025-11-17
JP2023502611A (ja) 2023-01-25
EP4044275B1 (en) 2025-09-10
US20250192165A1 (en) 2025-06-12
WO2021215830A1 (ko) 2021-10-28
HUE073318T2 (hu) 2026-01-28
ES3044115T3 (en) 2025-11-26
EP4044275A1 (en) 2022-08-17
KR20210130659A (ko) 2021-11-01
KR20250067095A (ko) 2025-05-14
CN119170740A (zh) 2024-12-20
EP4614601A2 (en) 2025-09-10
EP4044275A4 (en) 2023-08-02
EP4614601A3 (en) 2026-01-14
CN114730859B (zh) 2024-10-01
US12255324B2 (en) 2025-03-18
JP2025000763A (ja) 2025-01-07
JP7695041B2 (ja) 2025-06-18
CN114730859A (zh) 2022-07-08
US20220384790A1 (en) 2022-12-01

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