WO2021112434A3 - 고온 저장 특성이 우수한 리튬이온 이차전지용 양극 활물질, 이를 포함하는 리튬이온 이차전지 및 그 제조 방법 - Google Patents

고온 저장 특성이 우수한 리튬이온 이차전지용 양극 활물질, 이를 포함하는 리튬이온 이차전지 및 그 제조 방법 Download PDF

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Publication number
WO2021112434A3
WO2021112434A3 PCT/KR2020/015879 KR2020015879W WO2021112434A3 WO 2021112434 A3 WO2021112434 A3 WO 2021112434A3 KR 2020015879 W KR2020015879 W KR 2020015879W WO 2021112434 A3 WO2021112434 A3 WO 2021112434A3
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WO
WIPO (PCT)
Prior art keywords
secondary battery
lithium ion
ion secondary
active material
cathode active
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PCT/KR2020/015879
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English (en)
French (fr)
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WO2021112434A2 (ko
Inventor
이종희
유용미
장빈
리신유
리우흐어양
송민섭
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(주)이엠티
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Publication of WO2021112434A2 publication Critical patent/WO2021112434A2/ko
Publication of WO2021112434A3 publication Critical patent/WO2021112434A3/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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/54—Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension
    • 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 발명은 고온 저장 특성이 우수한 리튬이온 이차전지용 양극 활물질, 리튬이온 이차전지 및 그 제조방법에 관한 것이다. 본 발명은 화학식 1로 표시되는 리튬 복합 금속산화물을 포함하되, 타원형 1차 입자와 구형 1차 입자가 혼재된, 리튬이온 이차전지용 양극 활물질일 수 있다: [화학식 1] LiaNixCoyMzO2, 여기서, 0.90≤a≤1.1, 0.8≤x≤0.96, 0.02≤y≤0.20, 0.02≤z≤0.20 이고, M은 Mn, Al, Mg, Ti, Zr, Fe, V, Si 및 Sn으로 이루어진 그룹에서 선택된 1종 이상을 포함한다.
PCT/KR2020/015879 2019-12-04 2020-11-12 고온 저장 특성이 우수한 리튬이온 이차전지용 양극 활물질, 이를 포함하는 리튬이온 이차전지 및 그 제조 방법 WO2021112434A2 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2019-0159725 2019-12-04
KR1020190159725A KR102300282B1 (ko) 2019-12-04 2019-12-04 고온 저장 특성이 우수한 리튬이온 이차전지용 양극 활물질, 이를 포함하는 리튬이온 이차전지 및 그 제조 방법

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WO2021112434A2 WO2021112434A2 (ko) 2021-06-10
WO2021112434A3 true WO2021112434A3 (ko) 2021-07-22

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PCT/KR2020/015879 WO2021112434A2 (ko) 2019-12-04 2020-11-12 고온 저장 특성이 우수한 리튬이온 이차전지용 양극 활물질, 이를 포함하는 리튬이온 이차전지 및 그 제조 방법

Country Status (2)

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KR (1) KR102300282B1 (ko)
WO (1) WO2021112434A2 (ko)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003017050A (ja) * 2001-06-27 2003-01-17 Santoku Corp 非水電解液２次電池用正極活物質、その製造方法、非水電解液２次電池、並びに正極の製造方法
KR20070116158A (ko) * 2005-04-28 2007-12-06 닛산 지도우샤 가부시키가이샤 비수 전해질 리튬 이온 전지용 정극 재료 및 이를 이용한전지
KR20110113241A (ko) * 2010-04-09 2011-10-17 주식회사 에코프로 금속복합산화물을 포함하는 2차 전지용 양극 활물질의 제조방법 및 그에 의하여 제조된 금속복합산화물을 포함하는 2차 전지용 양극 활물질
JP2013030355A (ja) * 2011-07-28 2013-02-07 Hitachi Vehicle Energy Ltd リチウムイオン二次電池用負極電極及び該負極電極を用いたリチウムイオン二次電池
KR20130138147A (ko) * 2012-06-08 2013-12-18 한양대학교 산학협력단 리튬 이차 전지용 양극활물질 전구체, 이를 이용하여 제조된 양극활물질 및 이를 포함하는 리튬 이차 전지
JP2018503946A (ja) * 2015-01-13 2018-02-08 エルジー・ケム・リミテッド リチウム二次電池の正極形成用組成物の製造方法、及びこれを利用して製造した正極及びリチウム二次電池

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100880096B1 (ko) 2005-03-22 2009-01-23 주식회사 엘지화학 고온저장 특성이 우수한 리튬 이차 전지용 전극첨가제 및이를 이용한 리튬이차 전지
KR101521086B1 (ko) 2012-06-04 2015-05-18 주식회사 엘지화학 고온 저장특성이 향상된 이차전지용 양극 활물질 및 제조방법

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003017050A (ja) * 2001-06-27 2003-01-17 Santoku Corp 非水電解液２次電池用正極活物質、その製造方法、非水電解液２次電池、並びに正極の製造方法
KR20070116158A (ko) * 2005-04-28 2007-12-06 닛산 지도우샤 가부시키가이샤 비수 전해질 리튬 이온 전지용 정극 재료 및 이를 이용한전지
KR20110113241A (ko) * 2010-04-09 2011-10-17 주식회사 에코프로 금속복합산화물을 포함하는 2차 전지용 양극 활물질의 제조방법 및 그에 의하여 제조된 금속복합산화물을 포함하는 2차 전지용 양극 활물질
JP2013030355A (ja) * 2011-07-28 2013-02-07 Hitachi Vehicle Energy Ltd リチウムイオン二次電池用負極電極及び該負極電極を用いたリチウムイオン二次電池
KR20130138147A (ko) * 2012-06-08 2013-12-18 한양대학교 산학협력단 리튬 이차 전지용 양극활물질 전구체, 이를 이용하여 제조된 양극활물질 및 이를 포함하는 리튬 이차 전지
JP2018503946A (ja) * 2015-01-13 2018-02-08 エルジー・ケム・リミテッド リチウム二次電池の正極形成用組成物の製造方法、及びこれを利用して製造した正極及びリチウム二次電池

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WO2021112434A2 (ko) 2021-06-10
KR102300282B1 (ko) 2021-09-10
KR20210070432A (ko) 2021-06-15

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