WO2011059251A3 - 리튬 이차전지용 음극 활물질 및 이를 구비하는 리튬 이차전지 - Google Patents

리튬 이차전지용 음극 활물질 및 이를 구비하는 리튬 이차전지 Download PDF

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Publication number
WO2011059251A3
WO2011059251A3 PCT/KR2010/007980 KR2010007980W WO2011059251A3 WO 2011059251 A3 WO2011059251 A3 WO 2011059251A3 KR 2010007980 W KR2010007980 W KR 2010007980W WO 2011059251 A3 WO2011059251 A3 WO 2011059251A3
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WIPO (PCT)
Prior art keywords
secondary battery
lithium secondary
active material
negative active
same
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PCT/KR2010/007980
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English (en)
French (fr)
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WO2011059251A4 (ko
WO2011059251A2 (ko
Inventor
정동섭
지혜민
김제영
김기태
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주식회사 엘지화학
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020090109241A external-priority patent/KR101374788B1/ko
Priority claimed from KR1020100111343A external-priority patent/KR101374789B1/ko
Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to CN201080041356.XA priority Critical patent/CN102511094B/zh
Priority to EP10830183.9A priority patent/EP2500966B1/en
Publication of WO2011059251A2 publication Critical patent/WO2011059251A2/ko
Publication of WO2011059251A3 publication Critical patent/WO2011059251A3/ko
Priority to US13/292,463 priority patent/US9203085B2/en
Publication of WO2011059251A4 publication Critical patent/WO2011059251A4/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
    • H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
    • H01M4/386—Silicon or alloys based on silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C1/00—Making non-ferrous alloys
    • C22C1/10—Alloys containing non-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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • H01M4/364—Composites as mixtures
    • 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
    • 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
    • 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
    • H01M4/13—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
    • H01M4/13—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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624—Electric conductive fillers
    • H01M4/625—Carbon or graphite
    • 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)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)
  • Silicon Compounds (AREA)

Abstract

본 발명은 리튬 이차전지용 음극 활물질 및 이를 구비하는 리튬 이차전지에 관한 것이다. 본 발명의 리튬 이차전지용 음극 활물질은, 규소 및 상기 규소 외의 적어도 1종의 금속을 포함하고 리튬과 합금화가 가능한 규소 합금을 포함하며, 상기 규소 합금 내의 리튬과 반응하지 않은 비활성상 영역의 부피는 활물질 전체 부피에 대해 50 내지 75 %이다. 본 발명의 음극 활물질은 탄소계 음극 활물질보다 고용량이면서도, 충방전 후에 부피 팽창이 적고 용량 유지율이 높아 사이클 특성이 우수하다.
PCT/KR2010/007980 2009-11-12 2010-11-12 리튬 이차전지용 음극 활물질 및 이를 구비하는 리튬 이차전지 WO2011059251A2 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201080041356.XA CN102511094B (zh) 2009-11-12 2010-11-12 锂二次电池用负极活性材料和包含其的锂二次电池
EP10830183.9A EP2500966B1 (en) 2009-11-12 2010-11-12 Negative active material for lithium secondary battery and lithium secondary battery comprising same
US13/292,463 US9203085B2 (en) 2009-11-12 2011-11-09 Anode active material for lithium secondary battery and lithium secondary battery having the same

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR1020090109241A KR101374788B1 (ko) 2009-11-12 2009-11-12 리튬 이차전지용 음극 활물질 및 이를 구비하는 리튬 이차전지
KR10-2009-0109241 2009-11-12
KR1020100111343A KR101374789B1 (ko) 2010-11-10 2010-11-10 리튬 이차전지용 음극 활물질 및 이를 구비하는 리튬 이차전지
KR10-2010-0111343 2010-11-10

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/292,463 Continuation US9203085B2 (en) 2009-11-12 2011-11-09 Anode active material for lithium secondary battery and lithium secondary battery having the same

Publications (3)

Publication Number Publication Date
WO2011059251A2 WO2011059251A2 (ko) 2011-05-19
WO2011059251A3 true WO2011059251A3 (ko) 2011-11-03
WO2011059251A4 WO2011059251A4 (ko) 2012-01-26

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PCT/KR2010/007980 WO2011059251A2 (ko) 2009-11-12 2010-11-12 리튬 이차전지용 음극 활물질 및 이를 구비하는 리튬 이차전지

Country Status (4)

Country Link
US (1) US9203085B2 (ko)
EP (1) EP2500966B1 (ko)
CN (1) CN102511094B (ko)
WO (1) WO2011059251A2 (ko)

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Also Published As

Publication number Publication date
WO2011059251A4 (ko) 2012-01-26
EP2500966B1 (en) 2018-01-10
US20120052388A1 (en) 2012-03-01
EP2500966A2 (en) 2012-09-19
CN102511094B (zh) 2016-04-13
CN102511094A (zh) 2012-06-20
EP2500966A4 (en) 2014-11-12
US9203085B2 (en) 2015-12-01
WO2011059251A2 (ko) 2011-05-19

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