WO2019059655A3 - Positive electrode for secondary battery and secondary battery comprising same - Google Patents

Positive electrode for secondary battery and secondary battery comprising same Download PDF

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Publication number
WO2019059655A3
WO2019059655A3 PCT/KR2018/011082 KR2018011082W WO2019059655A3 WO 2019059655 A3 WO2019059655 A3 WO 2019059655A3 KR 2018011082 W KR2018011082 W KR 2018011082W WO 2019059655 A3 WO2019059655 A3 WO 2019059655A3
Authority
WO
WIPO (PCT)
Prior art keywords
positive electrode
secondary battery
mixture layer
same
electrode mixture
Prior art date
Application number
PCT/KR2018/011082
Other languages
French (fr)
Korean (ko)
Other versions
WO2019059655A2 (en
Inventor
이동훈
전혜림
이상욱
노은솔
정왕모
강민석
백소라
박지영
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
Priority claimed from KR1020180111643A external-priority patent/KR102465819B1/en
Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to US16/647,935 priority Critical patent/US11569501B2/en
Priority to CN201880059198.7A priority patent/CN111095612B/en
Priority to JP2020515873A priority patent/JP7062161B2/en
Priority to EP18859067.3A priority patent/EP3671909B1/en
Priority to PL18859067T priority patent/PL3671909T3/en
Publication of WO2019059655A2 publication Critical patent/WO2019059655A2/en
Publication of WO2019059655A3 publication Critical patent/WO2019059655A3/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
    • 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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • 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
    • 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
    • H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • 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
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/139—Processes of manufacture
    • H01M4/1391—Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • 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
    • 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)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Secondary Cells (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

Provided are a positive electrode for a secondary battery, comprising a first positive electrode mixture layer formed on a positive electrode current collector; and a second positive electrode mixture layer formed on the first positive electrode mixture layer, wherein the first positive electrode mixture layer has a working voltage of 4.25 to 6.0V and includes an overcharging active material that generates lithium and gas during the charging, and a lithium secondary battery comprising the positive electrode.
PCT/KR2018/011082 2017-09-19 2018-09-19 Positive electrode for secondary battery and secondary battery comprising same WO2019059655A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US16/647,935 US11569501B2 (en) 2017-09-19 2018-09-19 Positive electrode for secondary battery and secondary battery including the same
CN201880059198.7A CN111095612B (en) 2017-09-19 2018-09-19 Positive electrode for secondary battery and secondary battery comprising same
JP2020515873A JP7062161B2 (en) 2017-09-19 2018-09-19 Positive electrode for secondary battery and secondary battery including this
EP18859067.3A EP3671909B1 (en) 2017-09-19 2018-09-19 Positive electrode for secondary battery and secondary battery including the same
PL18859067T PL3671909T3 (en) 2017-09-19 2018-09-19 Positive electrode for secondary battery and secondary battery including the same

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR20170120694 2017-09-19
KR10-2017-0120694 2017-09-19
KR1020180111643A KR102465819B1 (en) 2017-09-19 2018-09-18 Positive electrode for secondary battery and secondary battery comprising the same
KR10-2018-0111643 2018-09-18

Publications (2)

Publication Number Publication Date
WO2019059655A2 WO2019059655A2 (en) 2019-03-28
WO2019059655A3 true WO2019059655A3 (en) 2019-05-09

Family

ID=65811386

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2018/011082 WO2019059655A2 (en) 2017-09-19 2018-09-19 Positive electrode for secondary battery and secondary battery comprising same

Country Status (1)

Country Link
WO (1) WO2019059655A2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006260990A (en) * 2005-03-17 2006-09-28 Nissan Motor Co Ltd Stacked battery
KR20070105724A (en) * 2006-04-27 2007-10-31 삼성에스디아이 주식회사 Anode plate and lithium rechargeable battery using the same and method of making anode plate
CN103441236A (en) * 2013-09-11 2013-12-11 东莞新能源科技有限公司 Lithium ion battery cathode plate, lithium ion battery and preparation method of lithium ion battery
WO2017037363A1 (en) * 2015-09-02 2017-03-09 Renault S.A.S Method for forming a cell of a lithium-ion battery provided with a positive electrode comprising a sacrificial salt

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006260990A (en) * 2005-03-17 2006-09-28 Nissan Motor Co Ltd Stacked battery
KR20070105724A (en) * 2006-04-27 2007-10-31 삼성에스디아이 주식회사 Anode plate and lithium rechargeable battery using the same and method of making anode plate
CN103441236A (en) * 2013-09-11 2013-12-11 东莞新能源科技有限公司 Lithium ion battery cathode plate, lithium ion battery and preparation method of lithium ion battery
WO2017037363A1 (en) * 2015-09-02 2017-03-09 Renault S.A.S Method for forming a cell of a lithium-ion battery provided with a positive electrode comprising a sacrificial salt

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
See also references of EP3671909A4 *
SHANMUKARAJ, D.: "Sacrificial salts: Compensating the initial charge irreversibility in lithium batteries", ELECTROCHEMISTRY COMMUNICATIONS, 2010, pages 1344 - 1347, XP027423660, DOI: doi:10.1016/j.elecom.2010.07.016 *

Also Published As

Publication number Publication date
WO2019059655A2 (en) 2019-03-28

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