WO2012141503A3 - Positive electrode active material, method for preparing same, and positive electrode and lithium battery using same - Google Patents

Positive electrode active material, method for preparing same, and positive electrode and lithium battery using same Download PDF

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Publication number
WO2012141503A3
WO2012141503A3 PCT/KR2012/002772 KR2012002772W WO2012141503A3 WO 2012141503 A3 WO2012141503 A3 WO 2012141503A3 KR 2012002772 W KR2012002772 W KR 2012002772W WO 2012141503 A3 WO2012141503 A3 WO 2012141503A3
Authority
WO
WIPO (PCT)
Prior art keywords
positive electrode
same
active material
electrode active
lithium battery
Prior art date
Application number
PCT/KR2012/002772
Other languages
French (fr)
Korean (ko)
Other versions
WO2012141503A2 (en
Inventor
김윤미
최동웅
최규범
김동일
Original Assignee
㈜동진쎄미켐
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
Application filed by ㈜동진쎄미켐 filed Critical ㈜동진쎄미켐
Publication of WO2012141503A2 publication Critical patent/WO2012141503A2/en
Publication of WO2012141503A3 publication Critical patent/WO2012141503A3/en

Links

Classifications

    • 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
    • H01M4/136—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
    • H01M4/58—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
    • 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
    • H01M4/04—Processes of manufacture in general
    • 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
    • H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

Provided is a positive electrode active material, comprising: a core containing a material having an olivine structure; and a carbon-based coating layer formed on at least a portion of the surface of the core, wherein the carbon-based coating layer contains one or more selected from a group consisting of a conductive metal material and the non-metal heterogeneous elements of groups 15 to 17 of the periodic table of the elements. Also provided are a method for preparing the positive electrode active material, and an active electrode and a lithium battery using the positive electrode active material.
PCT/KR2012/002772 2011-04-14 2012-04-12 Positive electrode active material, method for preparing same, and positive electrode and lithium battery using same WO2012141503A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020110034865A KR20120117234A (en) 2011-04-14 2011-04-14 Cathode active material, preparation method thereof, and cathode and lithium battery containing the material
KR10-2011-0034865 2011-04-14

Publications (2)

Publication Number Publication Date
WO2012141503A2 WO2012141503A2 (en) 2012-10-18
WO2012141503A3 true WO2012141503A3 (en) 2013-03-07

Family

ID=47009840

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/002772 WO2012141503A2 (en) 2011-04-14 2012-04-12 Positive electrode active material, method for preparing same, and positive electrode and lithium battery using same

Country Status (2)

Country Link
KR (1) KR20120117234A (en)
WO (1) WO2012141503A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9660266B2 (en) 2012-11-21 2017-05-23 Lg Chem, Ltd. Lithium secondary battery
CN104718657B (en) * 2012-11-21 2018-01-12 株式会社Lg 化学 Lithium secondary battery
KR20140066050A (en) * 2012-11-22 2014-05-30 주식회사 엘지화학 Electrolyte solution for lithium secondary battery and lithium secondary battery comprising the same
WO2015053446A1 (en) * 2013-10-11 2015-04-16 주식회사 엘앤에프신소재 Anode active material for lithium secondary battery, method for manufacturing same, and lithium secondary battery comprising same
KR102126898B1 (en) * 2019-12-05 2020-06-25 주식회사 에스엠랩 A cathode active material, method of preparing the same, and lithium secondary battery comprising a cathode comprising the cathode active material
WO2023225836A1 (en) * 2022-05-24 2023-11-30 宁德时代新能源科技股份有限公司 Positive electrode active material, positive electrode sheet, secondary battery, battery module, battery pack, and electrical apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100834054B1 (en) * 2007-05-11 2008-06-02 한양대학교 산학협력단 Olivine type positive active material for lithium battery, method for preparing the same, and lithium battery comprising the same
KR20100061155A (en) * 2008-11-28 2010-06-07 현대자동차주식회사 Preparing for method of material spherical shape positive active material for lithium second battery
JP2010135305A (en) * 2008-11-04 2010-06-17 Gs Yuasa Corporation Positive electrode material for nonaqueous electrolyte secondary battery, and nonaqueous electrolyte secondary battery having the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100834054B1 (en) * 2007-05-11 2008-06-02 한양대학교 산학협력단 Olivine type positive active material for lithium battery, method for preparing the same, and lithium battery comprising the same
JP2010135305A (en) * 2008-11-04 2010-06-17 Gs Yuasa Corporation Positive electrode material for nonaqueous electrolyte secondary battery, and nonaqueous electrolyte secondary battery having the same
KR20100061155A (en) * 2008-11-28 2010-06-07 현대자동차주식회사 Preparing for method of material spherical shape positive active material for lithium second battery

Also Published As

Publication number Publication date
KR20120117234A (en) 2012-10-24
WO2012141503A2 (en) 2012-10-18

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