WO2019093863A3 - Lithium cobalt-based positive electrode active material, method for preparing same, positive electrode comprising same, and secondary battery - Google Patents

Lithium cobalt-based positive electrode active material, method for preparing same, positive electrode comprising same, and secondary battery Download PDF

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Publication number
WO2019093863A3
WO2019093863A3 PCT/KR2018/013819 KR2018013819W WO2019093863A3 WO 2019093863 A3 WO2019093863 A3 WO 2019093863A3 KR 2018013819 W KR2018013819 W KR 2018013819W WO 2019093863 A3 WO2019093863 A3 WO 2019093863A3
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WO
WIPO (PCT)
Prior art keywords
positive electrode
same
active material
lithium
electrode active
Prior art date
Application number
PCT/KR2018/013819
Other languages
French (fr)
Korean (ko)
Other versions
WO2019093863A2 (en
Inventor
조치호
유민규
박성빈
허혁
황진태
정왕모
Original Assignee
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
Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to JP2020520813A priority Critical patent/JP7076878B2/en
Priority to US16/758,314 priority patent/US11837719B2/en
Priority to CN201880067456.6A priority patent/CN111225879B/en
Priority to EP18875086.3A priority patent/EP3686160A4/en
Priority claimed from KR1020180138704A external-priority patent/KR102270117B1/en
Publication of WO2019093863A2 publication Critical patent/WO2019093863A2/en
Publication of WO2019093863A3 publication Critical patent/WO2019093863A3/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00—Compounds of nickel
    • 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
    • H01M4/36—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
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
    • H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
    • 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)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

The present invention relates to a method for preparing a lithium cobalt-based positive electrode active material and a positive electrode active material prepared thereby, the method comprising a step for dry-mixing particles of lithium cobalt oxide represented by chemical formula 1 and lithium metal oxide particles of at least one selected from the group consisting of lithium aluminum oxide, lithium zirconium oxide, and lithium titanium oxide, followed by thermal treatment.
PCT/KR2018/013819 2017-11-13 2018-11-13 Lithium cobalt-based positive electrode active material, method for preparing same, positive electrode comprising same, and secondary battery WO2019093863A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2020520813A JP7076878B2 (en) 2017-11-13 2018-11-13 Lithium cobalt-based positive electrode active material, its manufacturing method, positive electrode including this, and secondary battery
US16/758,314 US11837719B2 (en) 2017-11-13 2018-11-13 Lithium cobalt-based positive electrode active material, preparation method thereof, positive electrode including same, and secondary battery including positive electrode
CN201880067456.6A CN111225879B (en) 2017-11-13 2018-11-13 Lithium cobalt-based positive electrode active material, method for preparing same, positive electrode comprising same, and secondary battery comprising same
EP18875086.3A EP3686160A4 (en) 2017-11-13 2018-11-13 Lithium cobalt-based positive electrode active material, method for preparing same, positive electrode comprising same, and secondary battery

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20170150922 2017-11-13
KR10-2017-0150922 2017-11-13
KR10-2018-0138704 2018-11-13
KR1020180138704A KR102270117B1 (en) 2017-11-13 2018-11-13 Lithium cobalt based positive electrode active material, producing method thereof, positive electrode and secondary battery comprising the same

Publications (2)

Publication Number Publication Date
WO2019093863A2 WO2019093863A2 (en) 2019-05-16
WO2019093863A3 true WO2019093863A3 (en) 2019-06-27

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Family Applications (1)

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PCT/KR2018/013819 WO2019093863A2 (en) 2017-11-13 2018-11-13 Lithium cobalt-based positive electrode active material, method for preparing same, positive electrode comprising same, and secondary battery

Country Status (1)

Country Link
WO (1) WO2019093863A2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060040298A (en) * 2004-11-05 2006-05-10 한규승 Method for preparing metal oxide-coated composite metal oxide using eutectic self-mixing and self-coating method
KR20130065694A (en) * 2010-08-17 2013-06-19 유미코르 Alumina dry-coated cathode material precursors

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20060040298A (en) * 2004-11-05 2006-05-10 한규승 Method for preparing metal oxide-coated composite metal oxide using eutectic self-mixing and self-coating method
KR20130065694A (en) * 2010-08-17 2013-06-19 유미코르 Alumina dry-coated cathode material precursors

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
See also references of EP3686160A4 *
WANG, CHUNGUANG: "Li2Zr03 coated LiNi1/3Co1/3Mn1/302 for high performance cathode material in lithium batteries", ELECTROCHIMICA ACTA, vol. 119, 2014, pages 236 - 242, XP028613416 *
WU, NAITENG: "Solvothermal coating LiNi0.8Co0.15A10.0502 microspheres with nanoscale Li2Ti03 shell for long lifespan Li-ion battery cathode materials", JOURNAL OF ALLOYS AND COMPOUNDS, vol. 665, 2016, pages 48 - 56, XP029411707 *
YI, XIN: "Effective enhancement of electrochemical performance for spherical spinel LiMn204 via Li ion conductive Li2Zr03 coating", ELECTROCHIMICA ACTA, vol. 134, 2014, pages 143 - 149, XP028849800 *

Also Published As

Publication number Publication date
WO2019093863A2 (en) 2019-05-16

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