KR102540786B1 - 음극 활물질, 이를 포함하는 음극 및 리튬 이차전지 - Google Patents

음극 활물질, 이를 포함하는 음극 및 리튬 이차전지 Download PDF

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Publication number
KR102540786B1
KR102540786B1 KR1020220136134A KR20220136134A KR102540786B1 KR 102540786 B1 KR102540786 B1 KR 102540786B1 KR 1020220136134 A KR1020220136134 A KR 1020220136134A KR 20220136134 A KR20220136134 A KR 20220136134A KR 102540786 B1 KR102540786 B1 KR 102540786B1
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KR
South Korea
Prior art keywords
active material
negative electrode
less
secondary battery
weight
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KR1020220136134A
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English (en)
Korean (ko)
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KR20230065152A (ko
Inventor
최정현
정대수
노광철
김민지
오민주
김정환
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한국세라믹기술원
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Priority to KR1020220136134A priority Critical patent/KR102540786B1/ko
Priority to PCT/KR2022/016876 priority patent/WO2024085297A1/fr
Publication of KR20230065152A publication Critical patent/KR20230065152A/ko
Priority to KR1020230069028A priority patent/KR102672053B1/ko
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Publication of KR102540786B1 publication Critical patent/KR102540786B1/ko

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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
    • H01M4/36Selection 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
    • 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
    • H01M4/13Electrodes 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
    • H01M4/38Selection 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
    • H01M4/58Selection 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
    • H01M4/621Binders
    • H01M4/622Binders being polymers
    • 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)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)
KR1020220136134A 2022-10-21 2022-10-21 음극 활물질, 이를 포함하는 음극 및 리튬 이차전지 KR102540786B1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020220136134A KR102540786B1 (ko) 2022-10-21 2022-10-21 음극 활물질, 이를 포함하는 음극 및 리튬 이차전지
PCT/KR2022/016876 WO2024085297A1 (fr) 2022-10-21 2022-11-01 Matériau actif d'anode, et anode et batterie secondaire au lithium le comprenant
KR1020230069028A KR102672053B1 (ko) 2022-10-21 2023-05-30 음극 활물질, 이를 포함하는 음극 및 리튬 이차전지

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020220136134A KR102540786B1 (ko) 2022-10-21 2022-10-21 음극 활물질, 이를 포함하는 음극 및 리튬 이차전지

Related Child Applications (1)

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KR1020230069028A Division KR102672053B1 (ko) 2022-10-21 2023-05-30 음극 활물질, 이를 포함하는 음극 및 리튬 이차전지

Publications (2)

Publication Number Publication Date
KR20230065152A KR20230065152A (ko) 2023-05-11
KR102540786B1 true KR102540786B1 (ko) 2023-06-07

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KR1020220136134A KR102540786B1 (ko) 2022-10-21 2022-10-21 음극 활물질, 이를 포함하는 음극 및 리튬 이차전지
KR1020230069028A KR102672053B1 (ko) 2022-10-21 2023-05-30 음극 활물질, 이를 포함하는 음극 및 리튬 이차전지

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KR1020230069028A KR102672053B1 (ko) 2022-10-21 2023-05-30 음극 활물질, 이를 포함하는 음극 및 리튬 이차전지

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KR (2) KR102540786B1 (fr)
WO (1) WO2024085297A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116675967B (zh) * 2023-07-31 2023-10-31 赣州诺威科技有限公司 一种锂电池正极薄膜材料及其制备方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101018659B1 (ko) 2008-03-19 2011-03-08 금호석유화학 주식회사 리튬 이차전지용 실리콘계 음극 활물질
GB2502345B (en) * 2012-05-25 2017-03-15 Nexeon Ltd Composite material
KR102258081B1 (ko) * 2016-07-28 2021-05-27 삼성에스디아이 주식회사 리튬 이차 전지용 음극 및 이를 포함하는 리튬 이차 전지
WO2019103498A1 (fr) 2017-11-24 2019-05-31 주식회사 엘지화학 Composite de polymère et de particules à base de silicium, et matériau actif de cathode le contenant
KR101856926B1 (ko) 2018-03-23 2018-05-10 주식회사 엘지화학 표면 코팅된 다공성 실리콘계 음극 활물질 및 이의 제조방법
KR102158221B1 (ko) 2018-07-31 2020-09-21 한국과학기술연구원 이차전지의 전극 활물질 표면에 전도성 고분자 코팅층을 균일하게 형성하는 방법
KR20200141318A (ko) 2019-06-10 2020-12-18 현대자동차주식회사 리튬이차전지용 음극 및 이를 포함하는 리튬이차전지
KR20210028920A (ko) 2019-09-05 2021-03-15 주식회사 아모그린텍 이차전지 음극 활물질용 중공형 입자, 이의 제조방법 및 이를 포함하는 이차전지
JP2021077487A (ja) 2019-11-06 2021-05-20 株式会社豊田自動織機 Si含有負極活物質を含有する負極材料
KR102464325B1 (ko) * 2020-07-13 2022-11-08 한국기계연구원 음극 활물질 및 이를 이용한 전극 제조방법

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Publication number Publication date
KR20240056393A (ko) 2024-04-30
WO2024085297A1 (fr) 2024-04-25
KR20230065152A (ko) 2023-05-11
KR102672053B1 (ko) 2024-06-03

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