WO2021125634A3 - 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
WO2021125634A3
WO2021125634A3 PCT/KR2020/017493 KR2020017493W WO2021125634A3 WO 2021125634 A3 WO2021125634 A3 WO 2021125634A3 KR 2020017493 W KR2020017493 W KR 2020017493W WO 2021125634 A3 WO2021125634 A3 WO 2021125634A3
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WIPO (PCT)
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same
active material
secondary battery
cathode active
lithium secondary
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PCT/KR2020/017493
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English (en)
French (fr)
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WO2021125634A2 (ko
Inventor
이상혁
송정훈
최권영
박인철
남상철
권오민
Original Assignee
주식회사 포스코
재단법인 포항산업과학연구원
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Publication of WO2021125634A2 publication Critical patent/WO2021125634A2/ko
Publication of WO2021125634A3 publication Critical patent/WO2021125634A3/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
    • 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
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/11—Powder tap density
    • 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

Abstract

본 실시예들은, 양극 활물질 및 이를 포함하는 리튬 이차 전지에 관한 것이다. 일 실시예에 따르면, 하기 화학식 1로 표시되는 리튬 금속 산화물이고, 상기 리튬 금속 산화물 입자의 중심과 표면에서 Mg의 농도 차이가 1mol% 이하이며, 상기 리튬 금속 산화물 입자의 평균 입경(D50)은 10 ㎛ 내지 20㎛인 리튬 이차 전지용 양극 활물질을 제공할 수 있다. [화학식 1] (상기 화학식 1에서, M은 코발트 및 망간 중 적어도 하나를 포함하고 a는 0.95 ≤ a ≤ 1.15, x는 0.80 ≤ x ≤ 0.98, y는 0 < y ≤ 0.2임)
PCT/KR2020/017493 2019-12-19 2020-12-02 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지 WO2021125634A2 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020190171287A KR20210079130A (ko) 2019-12-19 2019-12-19 양극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지
KR10-2019-0171287 2019-12-19

Publications (2)

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WO2021125634A2 WO2021125634A2 (ko) 2021-06-24
WO2021125634A3 true WO2021125634A3 (ko) 2021-08-12

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KR (1) KR20210079130A (ko)
WO (1) WO2021125634A2 (ko)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170041650A (ko) * 2015-10-07 2017-04-17 주식회사 지엘비이 리튬이차전지용 양극소재인 리튬-니켈-코발트-망간-마그네슘 복합산화물 및 그 제조방법
JP6493913B2 (ja) * 2015-03-06 2019-04-03 学校法人東京理科大学 マグネシウム複合酸化物の製造方法
JP2019169467A (ja) * 2018-03-22 2019-10-03 パナソニックＩｐマネジメント株式会社 マグネシウム二次電池用正極活物質及びそれを用いたマグネシウム二次電池
JP6595535B2 (ja) * 2016-07-05 2019-10-23 株式会社半導体エネルギー研究所 正極活物質の作製方法、及び正極活物質層の作製方法
KR20190127671A (ko) * 2017-01-18 2019-11-13 나노 원 머티리얼즈 코포레이션. 리튬 이온 배터리 양극 소재 전구체의 단일 단계 합성

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6493913B2 (ja) * 2015-03-06 2019-04-03 学校法人東京理科大学 マグネシウム複合酸化物の製造方法
KR20170041650A (ko) * 2015-10-07 2017-04-17 주식회사 지엘비이 리튬이차전지용 양극소재인 리튬-니켈-코발트-망간-마그네슘 복합산화물 및 그 제조방법
JP6595535B2 (ja) * 2016-07-05 2019-10-23 株式会社半導体エネルギー研究所 正極活物質の作製方法、及び正極活物質層の作製方法
KR20190127671A (ko) * 2017-01-18 2019-11-13 나노 원 머티리얼즈 코포레이션. 리튬 이온 배터리 양극 소재 전구체의 단일 단계 합성
JP2019169467A (ja) * 2018-03-22 2019-10-03 パナソニックＩｐマネジメント株式会社 マグネシウム二次電池用正極活物質及びそれを用いたマグネシウム二次電池

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WO2021125634A2 (ko) 2021-06-24
KR20210079130A (ko) 2021-06-29

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