WO2011142575A3 - 리튬 이차전지용 음극 활물질, 그 제조방법 및 이를 포함하는 리튬 이차전지 - Google Patents

리튬 이차전지용 음극 활물질, 그 제조방법 및 이를 포함하는 리튬 이차전지 Download PDF

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WO2011142575A3
WO2011142575A3 PCT/KR2011/003453 KR2011003453W WO2011142575A3 WO 2011142575 A3 WO2011142575 A3 WO 2011142575A3 KR 2011003453 W KR2011003453 W KR 2011003453W WO 2011142575 A3 WO2011142575 A3 WO 2011142575A3
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secondary battery
lithium secondary
active material
anode active
same
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PCT/KR2011/003453
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French (fr)
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WO2011142575A9 (ko
WO2011142575A2 (ko
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홍지준
변기택
김효원
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주식회사 루트제이제이
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Priority to JP2013510022A priority Critical patent/JP2013528907A/ja
Priority to EP11780792.5A priority patent/EP2571084A4/en
Priority to CN2011800285886A priority patent/CN102934265A/zh
Priority to US13/696,916 priority patent/US20130059203A1/en
Publication of WO2011142575A2 publication Critical patent/WO2011142575A2/ko
Publication of WO2011142575A3 publication Critical patent/WO2011142575A3/ko
Publication of WO2011142575A9 publication Critical patent/WO2011142575A9/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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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    • 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
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    • 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
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    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/139—Processes of manufacture
    • H01M4/1397—Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
    • 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
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    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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    • 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
    • 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
    • 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
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    • 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
    • H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
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    • H01—ELECTRIC ELEMENTS
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    • 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
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    • 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)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

리튬 이차전지용 음극 활물질, 그 제조방법 및 이를 포함하는 리튬 이차전지가 제공된다. 본 발명에 따른 리튬 이차전지용 음극 활물질은 리튬 이온이 흡수/방출될 수 있는 활성 입자; 및 상기 활성 입자 표면에 코팅된 코팅층을 포함하며, 여기에서 상기 코팅층은 나노 중공 섬유인 제 1 물질과 탄소전구체 또는 LTO인 제 2 물질을 포함하는 것을 특징으로 하며, 본 발명의 리튬 이차전지용 음극 활물질은 실리콘의 경우 충/방전시 리튬과의 반응에 의한 체적 변화로 균열이 발생하고 활물질 입자가 파괴됨으로 충/방전 사이클 진행됨에 따라 용량이 급격하게 저하되는 현상을 방지하며, 이로써 사이클 수명이 길어지므로, 고용량 전지에 적합한 고에너지 밀도를 확보할 수 있다.
PCT/KR2011/003453 2010-05-11 2011-05-11 리튬 이차전지용 음극 활물질, 그 제조방법 및 이를 포함하는 리튬 이차전지 WO2011142575A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2013510022A JP2013528907A (ja) 2010-05-11 2011-05-11 リチウム二次電池用負極活物質、その製造方法及びそれを含むリチウム二次電池
EP11780792.5A EP2571084A4 (en) 2010-05-11 2011-05-11 ANODEACTIVE MATERIAL FOR A LITHIUM SUBSTANCE BATTERY, METHOD OF MANUFACTURING THEREOF AND LITHIUM SUBSTITUTING BATTERY THEREWITH
CN2011800285886A CN102934265A (zh) 2010-05-11 2011-05-11 用于锂二次电池的阳极活性物质，制备这种物质的方法和包含这种物质的锂二次电池
US13/696,916 US20130059203A1 (en) 2010-05-11 2011-05-11 Anode active material for a lithium secondary battery, method for preparing same, and lithium secondary battery including same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20100043798 2010-05-11
KR10-2010-0043798 2010-05-11

Publications (3)

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WO2011142575A2 WO2011142575A2 (ko) 2011-11-17
WO2011142575A3 true WO2011142575A3 (ko) 2012-03-01
WO2011142575A9 WO2011142575A9 (ko) 2012-04-19

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PCT/KR2011/003453 WO2011142575A2 (ko) 2010-05-11 2011-05-11 리튬 이차전지용 음극 활물질, 그 제조방법 및 이를 포함하는 리튬 이차전지

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US (1) US20130059203A1 (ko)
EP (1) EP2571084A4 (ko)
JP (1) JP2013528907A (ko)
KR (1) KR20110124728A (ko)
CN (1) CN102934265A (ko)
WO (1) WO2011142575A2 (ko)

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CN102934265A (zh) 2013-02-13
KR20110124728A (ko) 2011-11-17
US20130059203A1 (en) 2013-03-07
EP2571084A2 (en) 2013-03-20
WO2011142575A9 (ko) 2012-04-19
WO2011142575A2 (ko) 2011-11-17
EP2571084A4 (en) 2013-10-02

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