WO2019083332A3 - 실리콘-탄소 복합체 및 이를 포함하는 리튬 이차전지 - Google Patents

실리콘-탄소 복합체 및 이를 포함하는 리튬 이차전지 Download PDF

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Publication number
WO2019083332A3
WO2019083332A3 PCT/KR2018/012858 KR2018012858W WO2019083332A3 WO 2019083332 A3 WO2019083332 A3 WO 2019083332A3 KR 2018012858 W KR2018012858 W KR 2018012858W WO 2019083332 A3 WO2019083332 A3 WO 2019083332A3
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silicon
based particles
carbon composite
secondary battery
lithium secondary
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PCT/KR2018/012858
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English (en)
French (fr)
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WO2019083332A2 (ko
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이수민
김은경
이용주
조래환
김동혁
박세미
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주식회사 엘지화학
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Priority to US16/756,305 priority Critical patent/US11929498B2/en
Priority to CN201880067014.1A priority patent/CN111226329B/zh
Priority to EP18871357.2A priority patent/EP3683872B1/en
Publication of WO2019083332A2 publication Critical patent/WO2019083332A2/ko
Publication of WO2019083332A3 publication Critical patent/WO2019083332A3/ko

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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
    • H01M4/36—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
    • 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
    • H01M4/134—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
    • H01M4/38—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
    • H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
    • 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
    • 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
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/663—Selection of materials containing carbon or carbonaceous materials as conductive part, e.g. graphite, carbon fibres
    • 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
    • H01M2004/021—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
    • 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
    • H01M4/043—Processes of manufacture in general involving compressing or compaction
    • H01M4/0435—Rolling or calendering
    • 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)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

본 발명은 탄소계 입자 및 실리콘계 입자를 포함하고, 상기 실리콘계 입자는 상기 탄소계 입자의 표면에 분산되어 위치하며, 상기 탄소계 입자는 0.4 m2/g 내지 1.5 m2/g의 비표면적을 가지고, 상기 실리콘계 입자는 Mg, Li, Ca 및 Al로 이루어지는 군에서 선택된 1종 이상의 원소가 도핑되어 있는, 실리콘-탄소 복합체 및 이를 포함하는 리튬 이차전지용 음극 활물질에 관한 것이다.
PCT/KR2018/012858 2017-10-27 2018-10-26 실리콘-탄소 복합체 및 이를 포함하는 리튬 이차전지 WO2019083332A2 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US16/756,305 US11929498B2 (en) 2017-10-27 2018-10-26 Silicon-carbon complex and lithium secondary battery comprising the same
CN201880067014.1A CN111226329B (zh) 2017-10-27 2018-10-26 硅-碳复合物和包含所述硅-碳复合物的锂二次电池
EP18871357.2A EP3683872B1 (en) 2017-10-27 2018-10-26 Silicon-carbon composite and lithium secondary battery comprising same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0140767 2017-10-27
KR1020170140767A KR102278996B1 (ko) 2017-10-27 2017-10-27 실리콘-탄소 복합체 및 이를 포함하는 리튬 이차전지

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WO2019083332A2 WO2019083332A2 (ko) 2019-05-02
WO2019083332A3 true WO2019083332A3 (ko) 2019-06-13

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US (1) US11929498B2 (ko)
EP (1) EP3683872B1 (ko)
KR (1) KR102278996B1 (ko)
CN (1) CN111226329B (ko)
WO (1) WO2019083332A2 (ko)

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KR20210077642A (ko) * 2019-12-17 2021-06-25 주식회사 엘지에너지솔루션 음극 및 상기 음극을 포함하는 이차 전지
US11532818B2 (en) 2020-05-29 2022-12-20 Uchicago Argonne, Llc Solvents and slurries comprising a poly(carboxylic acid) binder for silicon electrode manufacture
CN111697219B (zh) * 2020-06-30 2023-04-21 深圳市金牌新能源科技有限责任公司 一种硅碳复合材料及其制备方法、负极及其应用
KR102491619B1 (ko) 2022-07-25 2023-01-20 에스케이온 주식회사 리튬 이차 전지용 음극 및 이를 포함하는 리튬 이차 전지
KR20240061126A (ko) 2022-10-31 2024-05-08 주식회사 지엘켐 실리콘계 음극소재를 위한 수계 바인더 및 그 제조 방법

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EP3683872A2 (en) 2020-07-22
EP3683872A4 (en) 2020-10-28
KR102278996B1 (ko) 2021-07-20
US11929498B2 (en) 2024-03-12
US20200243853A1 (en) 2020-07-30
CN111226329B (zh) 2022-06-14
WO2019083332A2 (ko) 2019-05-02
KR20190047196A (ko) 2019-05-08
CN111226329A (zh) 2020-06-02
EP3683872B1 (en) 2024-04-10

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