WO2021125865A3 - 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지 - Google Patents

양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지 Download PDF

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Publication number
WO2021125865A3
WO2021125865A3 PCT/KR2020/018621 KR2020018621W WO2021125865A3 WO 2021125865 A3 WO2021125865 A3 WO 2021125865A3 KR 2020018621 W KR2020018621 W KR 2020018621W WO 2021125865 A3 WO2021125865 A3 WO 2021125865A3
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WO
WIPO (PCT)
Prior art keywords
same
active material
cathode active
lithium secondary
secondary battery
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PCT/KR2020/018621
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English (en)
French (fr)
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WO2021125865A2 (ko
Inventor
박종일
남상철
이택규
최권영
박정우
이상혁
Original Assignee
주식회사 포스코
재단법인 포항산업과학연구원
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Publication of WO2021125865A2 publication Critical patent/WO2021125865A2/ko
Publication of WO2021125865A3 publication Critical patent/WO2021125865A3/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
    • H01M4/48—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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00—Compounds of nickel
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G53/00—Compounds of nickel
    • C01G53/40—Nickelates
    • C01G53/42—Nickelates containing alkali metals, e.g. LiNiO2
    • C01G53/44—Nickelates containing alkali metals, e.g. LiNiO2 containing manganese
    • C01G53/50—Nickelates containing alkali metals, e.g. LiNiO2 containing manganese of the type [MnO2]n-, e.g. Li(NixMn1-x)O2, Li(MyNixMn1-x-y)O2
    • 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
    • H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
    • H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/50—Solid solutions
    • C01P2002/52—Solid solutions containing elements as dopants
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/40—Electric properties
    • 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)

Abstract

본 실시예들은, 양극 활물질 및 이를 포함하는 리튬 이차 전지에 관한 것이다. 일 실시예에 따르면, 리튬, 니켈, 코발트, 망간 및 도핑 원소를 포함하는 리튬 금속 산화물 입자를 포함하고, 상기 도핑 원소는 Nb 및 Ta를 포함하는 리튬 이차 전지용 양극 활물질을 제공할 수 있다.
PCT/KR2020/018621 2019-12-20 2020-12-18 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지 WO2021125865A2 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020190172469A KR20210080081A (ko) 2019-12-20 2019-12-20 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지
KR10-2019-0172469 2019-12-20

Publications (2)

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WO2021125865A2 WO2021125865A2 (ko) 2021-06-24
WO2021125865A3 true WO2021125865A3 (ko) 2021-08-05

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PCT/KR2020/018621 WO2021125865A2 (ko) 2019-12-20 2020-12-18 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지

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KR (1) KR20210080081A (ko)
WO (1) WO2021125865A2 (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230034556A (ko) * 2021-09-03 2023-03-10 포스코홀딩스 주식회사 리튬 이차 전지용 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140117311A (ko) * 2013-03-26 2014-10-07 주식회사 엘앤에프신소재 리튬 이차 전지용 양극 활물질 및 이를 이용한 리튬 이차 전지
KR20170063387A (ko) * 2015-11-30 2017-06-08 주식회사 엘지화학 이차전지용 양극활물질, 이의 제조방법 및 이를 포함하는 이차전지
KR20180077018A (ko) * 2016-12-28 2018-07-06 주식회사 엘지화학 이차전지용 양극 활물질, 그 제조방법 및 이를 포함하는 리튬 이차전지
KR20190008156A (ko) * 2017-07-14 2019-01-23 한양대학교 산학협력단 양극활물질, 그 제조 방법, 및 이를 포함하는 리튬이차전지
KR20190032248A (ko) * 2017-09-19 2019-03-27 주식회사 엘지화학 이차전지용 양극 활물질 및 이를 포함하는 리튬 이차전지

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20140117311A (ko) * 2013-03-26 2014-10-07 주식회사 엘앤에프신소재 리튬 이차 전지용 양극 활물질 및 이를 이용한 리튬 이차 전지
KR20170063387A (ko) * 2015-11-30 2017-06-08 주식회사 엘지화학 이차전지용 양극활물질, 이의 제조방법 및 이를 포함하는 이차전지
KR20180077018A (ko) * 2016-12-28 2018-07-06 주식회사 엘지화학 이차전지용 양극 활물질, 그 제조방법 및 이를 포함하는 리튬 이차전지
KR20190008156A (ko) * 2017-07-14 2019-01-23 한양대학교 산학협력단 양극활물질, 그 제조 방법, 및 이를 포함하는 리튬이차전지
KR20190032248A (ko) * 2017-09-19 2019-03-27 주식회사 엘지화학 이차전지용 양극 활물질 및 이를 포함하는 리튬 이차전지

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KR20210080081A (ko) 2021-06-30
WO2021125865A2 (ko) 2021-06-24

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