WO2011062422A3 - 리튬 이차전지용 음극 합제 및 이를 사용한 리튬 이차전지 - Google Patents

리튬 이차전지용 음극 합제 및 이를 사용한 리튬 이차전지 Download PDF

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Publication number
WO2011062422A3
WO2011062422A3 PCT/KR2010/008152 KR2010008152W WO2011062422A3 WO 2011062422 A3 WO2011062422 A3 WO 2011062422A3 KR 2010008152 W KR2010008152 W KR 2010008152W WO 2011062422 A3 WO2011062422 A3 WO 2011062422A3
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secondary battery
lithium secondary
active material
cathode active
cathode mixture
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PCT/KR2010/008152
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English (en)
French (fr)
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WO2011062422A2 (ko
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권요한
오병훈
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주식회사 엘지화학
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Priority to EP10831789.2A priority Critical patent/EP2503627B1/en
Priority to PL10831789T priority patent/PL2503627T3/pl
Priority to CN201080027186.XA priority patent/CN102473912B/zh
Priority to JP2012507170A priority patent/JP5873793B2/ja
Publication of WO2011062422A2 publication Critical patent/WO2011062422A2/ko
Publication of WO2011062422A3 publication Critical patent/WO2011062422A3/ko
Priority to US13/278,371 priority patent/US8563172B2/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
    • H01M4/36—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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
    • B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
    • 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
    • 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
    • H01M4/362—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
    • 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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/621—Binders
    • H01M4/622—Binders being polymers
    • 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
    • H01M4/621—Binders
    • H01M4/622—Binders being polymers
    • H01M4/623—Binders being polymers fluorinated polymers
    • 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)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Nanotechnology (AREA)
  • Inorganic Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)

Abstract

본 발명은 리튬 이차전지용 음극 합제 및 이를 사용한 리튬 이차전지에 관한 것이다. 본 발명에 따라 음극 활물질, 결착제 및 도전재를 포함하는 리튬 이차전지용 음극 합제는, 상기 음극 활물질이 리튬과 합금화 및 탈합금화가 가능한 금속 또는 준금속, 또는 이들의 화합물로 형성된 코어부; 및 상기 코어부 외부에 형성되며 케첸 블랙을 포함하는 쉘부를 구비하는 복수의 음극 활물질 입자를 포함하며, 상기 도전재가 탄소 나노 섬유를 포함하는 것을 특징으로 한다. 본 발명의 음극 합제는 부피 팽창을 억제할 수 있는 금속계 음극 활물질을 사용하며, 분산성이 우수한 도전재를 사용하여 전지의 수명 특성을 향상시킬 수 있다.
PCT/KR2010/008152 2009-11-18 2010-11-18 리튬 이차전지용 음극 합제 및 이를 사용한 리튬 이차전지 WO2011062422A2 (ko)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP10831789.2A EP2503627B1 (en) 2009-11-18 2010-11-18 Anode composition for lithium secondary battery and lithium secondary battery using the same
PL10831789T PL2503627T3 (pl) 2009-11-18 2010-11-18 Kompozycja anody dla akumulatora litowego i akumulator litowy, w którym się ją stosuje
CN201080027186.XA CN102473912B (zh) 2009-11-18 2010-11-18 锂二次电池用负极组合物和使用其的锂二次电池
JP2012507170A JP5873793B2 (ja) 2009-11-18 2010-11-18 リチウム二次電池用負極合剤及びこれを用いたリチウム二次電池
US13/278,371 US8563172B2 (en) 2009-11-18 2011-10-21 Anode composition for lithium secondary battery and lithium secondary battery using the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2009-0111341 2009-11-18
KR1020090111341A KR101073223B1 (ko) 2009-11-18 2009-11-18 리튬 이차전지용 음극 합제 및 이를 사용한 리튬 이차전지

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US13/278,371 Continuation US8563172B2 (en) 2009-11-18 2011-10-21 Anode composition for lithium secondary battery and lithium secondary battery using the same

Publications (2)

Publication Number Publication Date
WO2011062422A2 WO2011062422A2 (ko) 2011-05-26
WO2011062422A3 true WO2011062422A3 (ko) 2011-09-09

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Country Status (7)

Country Link
US (1) US8563172B2 (ko)
EP (1) EP2503627B1 (ko)
JP (2) JP5873793B2 (ko)
KR (1) KR101073223B1 (ko)
CN (1) CN102473912B (ko)
PL (1) PL2503627T3 (ko)
WO (1) WO2011062422A2 (ko)

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JP6946836B2 (ja) * 2017-08-10 2021-10-13 トヨタ自動車株式会社 リチウム固体電池、およびリチウム固体電池の製造方法
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Also Published As

Publication number Publication date
EP2503627A4 (en) 2014-07-02
KR101073223B1 (ko) 2011-10-12
EP2503627B1 (en) 2020-05-13
CN102473912B (zh) 2015-09-16
JP5873793B2 (ja) 2016-03-01
CN102473912A (zh) 2012-05-23
EP2503627A2 (en) 2012-09-26
JP2014239046A (ja) 2014-12-18
KR20110054619A (ko) 2011-05-25
PL2503627T3 (pl) 2020-08-24
US20120040244A1 (en) 2012-02-16
US8563172B2 (en) 2013-10-22
JP2012524971A (ja) 2012-10-18
JP6198687B2 (ja) 2017-09-20
WO2011062422A2 (ko) 2011-05-26

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