WO2019078702A3 - 음극 활물질 및 이를 포함하는 전고체 전지용 음극 - Google Patents

음극 활물질 및 이를 포함하는 전고체 전지용 음극 Download PDF

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WO2019078702A3
WO2019078702A3 PCT/KR2018/012510 KR2018012510W WO2019078702A3 WO 2019078702 A3 WO2019078702 A3 WO 2019078702A3 KR 2018012510 W KR2018012510 W KR 2018012510W WO 2019078702 A3 WO2019078702 A3 WO 2019078702A3
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negative electrode
active material
solid battery
same
electrode active
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PCT/KR2018/012510
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English (en)
French (fr)
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WO2019078702A2 (ko
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송준혁
김은경
우상욱
이정필
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주식회사 엘지화학
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Priority to EP18868331.2A priority Critical patent/EP3660957A4/en
Priority to CN201880033598.0A priority patent/CN110651385B/zh
Priority to US16/613,153 priority patent/US11387441B2/en
Priority to JP2019561987A priority patent/JP7038951B2/ja
Publication of WO2019078702A2 publication Critical patent/WO2019078702A2/ko
Publication of WO2019078702A3 publication Critical patent/WO2019078702A3/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
    • 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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0561—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of inorganic materials only
    • H01M10/0562—Solid materials
    • 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
    • H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
    • H01M10/0565—Polymeric materials, e.g. gel-type or solid-type
    • 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
    • H01M4/36—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
    • H01M4/58—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
    • 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
    • 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)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Dispersion Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)

Abstract

본 발명은 종래 전고체 전지의 문제점을 해결하고 충방전에 의한 전지 치수의 변화, 내부 저항의 증대 및 대전류에서의 충방전 성능이나 사이클 수명의 저하가 효과적으로 억제된 전고체 전지를 제공하는 것이다. 본 발명의 전고체 전지는 음극 활물질, 고체 전해질 및 도전재를 포함하는 전극 활물질층을 구비하며 상기 음극 활물질은 탄소 재료를 포함하고, 상기 탄소 재료는 복수의 기공을 포함하며, 기공도가 10 ~ 60 vol%이고, 기공의 크기는 기공의 최장경을 기준으로 100nm 내지 300nm 인 전고체 전지용 음극을 포함한다.
PCT/KR2018/012510 2017-10-20 2018-10-22 음극 활물질 및 이를 포함하는 전고체 전지용 음극 WO2019078702A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP18868331.2A EP3660957A4 (en) 2017-10-20 2018-10-22 ACTIVE MATERIAL FOR NEGATIVE ELECTRODE AND NEGATIVE ELECTRODE OF A SOLID-STATE BATTERY WITH IT
CN201880033598.0A CN110651385B (zh) 2017-10-20 2018-10-22 负极活性材料和包含该材料的固态电池用负极
US16/613,153 US11387441B2 (en) 2017-10-20 2018-10-22 Negative electrode active material and negative electrode for solid state battery including the same
JP2019561987A JP7038951B2 (ja) 2017-10-20 2018-10-22 負極活物質及びそれを含む全固体電池用負極

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170136780A KR102259971B1 (ko) 2017-10-20 2017-10-20 음극 활물질 및 이를 포함하는 전고체 전지용 음극
KR10-2017-0136780 2017-10-20

Publications (2)

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WO2019078702A2 WO2019078702A2 (ko) 2019-04-25
WO2019078702A3 true WO2019078702A3 (ko) 2019-06-06

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Country Status (6)

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US (1) US11387441B2 (ko)
EP (1) EP3660957A4 (ko)
JP (1) JP7038951B2 (ko)
KR (1) KR102259971B1 (ko)
CN (1) CN110651385B (ko)
WO (1) WO2019078702A2 (ko)

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TWI756556B (zh) * 2019-08-05 2022-03-01 輝能科技股份有限公司 活性材料球極層結構
TWI735017B (zh) 2019-08-05 2021-08-01 輝能科技股份有限公司 活性材料球複合層
CN112331906B (zh) * 2019-08-05 2022-08-05 辉能科技股份有限公司 活性材料球极层结构
KR20210108147A (ko) * 2020-02-25 2021-09-02 삼성에스디아이 주식회사 전고체 이차전지
JPWO2021246042A1 (ko) * 2020-06-02 2021-12-09
KR20220071442A (ko) 2020-11-24 2022-05-31 현대자동차주식회사 탄소계 물질 및 실리콘계 물질을 포함하는 전고체 전지용 음극 활물질 및 이의 제조방법
JP2022117868A (ja) * 2021-02-01 2022-08-12 パナソニックホールディングス株式会社 固体電池用負極、固体電池および固体電池用負極の製造方法
CN113853699B (zh) * 2021-03-12 2023-06-13 宁德新能源科技有限公司 电化学装置和电子装置
CN113517419A (zh) * 2021-06-30 2021-10-19 浙江锋锂新能源科技有限公司 一种负极材料、负极浆料、电芯、快充电池及其制备方法
WO2023153394A1 (ja) * 2022-02-10 2023-08-17 Tdk株式会社 固体電解質電池用負極及び固体電解質電池
CN115321517B (zh) * 2022-10-12 2023-03-28 宁德新能源科技有限公司 负极活性材料及包含其的负极极片、电化学装置及用电装置
CN117577783B (zh) * 2024-01-15 2024-05-14 中国第一汽车股份有限公司 一种硅基负极及其制备方法和固态电池

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Also Published As

Publication number Publication date
KR102259971B1 (ko) 2021-06-02
CN110651385A (zh) 2020-01-03
CN110651385B (zh) 2023-01-31
US11387441B2 (en) 2022-07-12
JP7038951B2 (ja) 2022-03-22
EP3660957A4 (en) 2020-11-25
EP3660957A2 (en) 2020-06-03
WO2019078702A2 (ko) 2019-04-25
JP2020520059A (ja) 2020-07-02
US20200411843A1 (en) 2020-12-31
KR20190044397A (ko) 2019-04-30

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