WO2018038535A3 - 이차 전지용 음극 활물질 및 이의 제조 방법 - Google Patents

이차 전지용 음극 활물질 및 이의 제조 방법 Download PDF

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Publication number
WO2018038535A3
WO2018038535A3 PCT/KR2017/009218 KR2017009218W WO2018038535A3 WO 2018038535 A3 WO2018038535 A3 WO 2018038535A3 KR 2017009218 W KR2017009218 W KR 2017009218W WO 2018038535 A3 WO2018038535 A3 WO 2018038535A3
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active material
cathode active
manufacturing
secondary battery
silicon
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PCT/KR2017/009218
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English (en)
French (fr)
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WO2018038535A2 (ko
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박승철
송의준
조영태
박지혜
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(주)오렌지파워
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Priority to EP17843955.0A priority Critical patent/EP3506399B1/en
Priority to JP2019507899A priority patent/JP6957603B2/ja
Priority to US16/326,873 priority patent/US11588152B2/en
Priority to CN201780063119.5A priority patent/CN109845002B/zh
Publication of WO2018038535A2 publication Critical patent/WO2018038535A2/ko
Publication of WO2018038535A3 publication Critical patent/WO2018038535A3/ko
Priority to US18/098,415 priority patent/US20230155119A1/en

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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
    • H01M4/04—Processes of manufacture in general
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/02—Silicon
    • C01B33/021—Preparation
    • 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
    • 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
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/139—Processes of manufacture
    • H01M4/1395—Processes of manufacture of 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
    • 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
    • H01M2004/028—Positive 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Silicon Compounds (AREA)
  • Secondary Cells (AREA)

Abstract

본 발명은 이차전지용 음극 활물질 및 이의 제조방법에 관한 것이다. 본 발명의 일 실시예에 따르면, 음극 활물질은 실리콘계 1차 입자들을 포함하고, 상기 실리콘계 1차 입자들의 입도 크기 분포는 D10 ≥ 50nm, D90 ≤ 150nm 를 갖는다. 상기 음극 활물질은 전지의 충전시 리튬화된 실리콘 입자에서 발생하는 인장 후프 응력(tensile hoop stress)을 억제 또는 감소시켜 상기 실리콘 입자의 부피 팽창으로 인한 크랙 및/또는 균열로부터 초래되는 비가역 반응을 억제하고, 이에 의해 전지의 수명과 용량을 향상시킬 수 있다.
PCT/KR2017/009218 2016-08-23 2017-08-23 이차 전지용 음극 활물질 및 이의 제조 방법 WO2018038535A2 (ko)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP17843955.0A EP3506399B1 (en) 2016-08-23 2017-08-23 Cathode active material for secondary battery and manufacturing method thereof
JP2019507899A JP6957603B2 (ja) 2016-08-23 2017-08-23 二次電池用負極活物質及びその製造方法
US16/326,873 US11588152B2 (en) 2016-08-23 2017-08-23 Cathode active material for secondary battery and manufacturing method thereof
CN201780063119.5A CN109845002B (zh) 2016-08-23 2017-08-23 二次电池用负极活性物质及其制备方法
US18/098,415 US20230155119A1 (en) 2016-08-23 2023-01-18 Negative electrode active material for secondary battery and manufacturing method thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020160106852A KR101918815B1 (ko) 2016-08-23 2016-08-23 이차 전지용 음극 활물질 및 이의 제조 방법
KR10-2016-0106852 2016-08-23

Related Child Applications (2)

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US16/326,873 A-371-Of-International US11588152B2 (en) 2016-08-23 2017-08-23 Cathode active material for secondary battery and manufacturing method thereof
US18/098,415 Continuation US20230155119A1 (en) 2016-08-23 2023-01-18 Negative electrode active material for secondary battery and manufacturing method thereof

Publications (2)

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WO2018038535A2 WO2018038535A2 (ko) 2018-03-01
WO2018038535A3 true WO2018038535A3 (ko) 2018-04-19

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US (2) US11588152B2 (ko)
EP (1) EP3506399B1 (ko)
JP (1) JP6957603B2 (ko)
KR (1) KR101918815B1 (ko)
CN (1) CN109845002B (ko)
WO (1) WO2018038535A2 (ko)

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KR101550781B1 (ko) 2014-07-23 2015-09-08 (주)오렌지파워 2 차 전지용 실리콘계 활물질 입자의 제조 방법
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KR101773719B1 (ko) 2016-08-23 2017-09-01 (주)오렌지파워 2 차 전지용 실리콘계 활물질 입자 및 이의 제조 방법
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KR20220050828A (ko) * 2020-10-16 2022-04-25 주식회사 엘지에너지솔루션 리튬이온 이차 전지용 음극
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EP3506399A2 (en) 2019-07-03
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JP2019532459A (ja) 2019-11-07
US20190198869A1 (en) 2019-06-27
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