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WO2019059552A3 - 이차전지용 양극 활물질, 그 제조방법 및 이를 포함하는 리튬 이차전지 - Google Patents

이차전지용 양극 활물질, 그 제조방법 및 이를 포함하는 리튬 이차전지 Download PDF

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Publication number
WO2019059552A3
WO2019059552A3 PCT/KR2018/010012 KR2018010012W WO2019059552A3 WO 2019059552 A3 WO2019059552 A3 WO 2019059552A3 KR 2018010012 W KR2018010012 W KR 2018010012W WO 2019059552 A3 WO2019059552 A3 WO 2019059552A3
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secondary battery
active material
cathode active
preparation
same
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PCT/KR2018/010012
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English (en)
French (fr)
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WO2019059552A2 (ko
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조치호
유민규
박성빈
허혁
황진태
정왕모
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주식회사 엘지화학
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Priority to ES18858198T priority Critical patent/ES2974702T3/es
Priority to PL18858198.7T priority patent/PL3671917T3/pl
Priority to JP2020513908A priority patent/JP7046411B2/ja
Priority to EP18858198.7A priority patent/EP3671917B1/en
Priority to CN201880059188.3A priority patent/CN111095630B/zh
Priority to US16/647,307 priority patent/US11611077B2/en
Publication of WO2019059552A2 publication Critical patent/WO2019059552A2/ko
Publication of WO2019059552A3 publication Critical patent/WO2019059552A3/ko

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    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
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    • C—CHEMISTRY; METALLURGY
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    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G51/00—Compounds of cobalt
    • C01G51/40—Cobaltates
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    • H—ELECTRICITY
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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
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    • H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
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    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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    • 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
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    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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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
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    • 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
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    • 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
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    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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
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  • Chemical & Material Sciences (AREA)
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  • General Physics & Mathematics (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)

Abstract

본 발명은 도핑 원소 M을 포함하는 리튬 코발트계 산화물이며, 상기 리튬 코발트계 산화물의 입자는 상기 도핑 원소 M을 3,000ppm 이상 함유하고, 상기 리튬 코발트계 산화물의 입자는, 입자의 중심으로부터 표면까지의 반직경 중 중심측 90%에 해당하는 벌크부에서 상기 도핑 원소 M이 일정한 농도를 갖고,입자의 표면으로부터 중심부 방향으로 100nm까지의 표면부에서 상기 도핑 원소 M이 벌크부보다 높거나 동일한 농도로 함유되며, 표면으로부터 중심부 방향으로 점진적으로 감소하는 농도 구배를 갖는 이차전지용 양극 활물질을 제공한다.
PCT/KR2018/010012 2017-09-19 2018-08-29 이차전지용 양극 활물질, 그 제조방법 및 이를 포함하는 리튬 이차전지 WO2019059552A2 (ko)

Priority Applications (6)

Application Number Priority Date Filing Date Title
ES18858198T ES2974702T3 (es) 2017-09-19 2018-08-29 Material activo de cátodo para batería secundaria, método de preparación del mismo y batería secundaria de litio que lo comprende
PL18858198.7T PL3671917T3 (pl) 2017-09-19 2018-08-29 Materiał aktywny katody do baterii akumulatorowej, sposób jego wytwarzania oraz zawierająca go litowa bateria akumulatorowa
JP2020513908A JP7046411B2 (ja) 2017-09-19 2018-08-29 二次電池用正極活物質、その製造方法及びこれを含むリチウム二次電池
EP18858198.7A EP3671917B1 (en) 2017-09-19 2018-08-29 Cathode active material for secondary battery, preparation method therefor, and lithium secondary battery comprising same
CN201880059188.3A CN111095630B (zh) 2017-09-19 2018-08-29 二次电池用正极活性材料、其制备方法以及包含其的锂二次电池
US16/647,307 US11611077B2 (en) 2017-09-19 2018-08-29 Positive electrode active material for secondary battery, method for preparing the same, and lithium secondary battery including the same

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Application Number Priority Date Filing Date Title
KR1020170120659A KR102270114B1 (ko) 2017-09-19 2017-09-19 이차전지용 양극 활물질, 그 제조방법 및 이를 포함하는 리튬 이차전지
KR10-2017-0120659 2017-09-19

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WO2019059552A2 WO2019059552A2 (ko) 2019-03-28
WO2019059552A3 true WO2019059552A3 (ko) 2019-05-09

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US (1) US11611077B2 (ko)
EP (1) EP3671917B1 (ko)
JP (1) JP7046411B2 (ko)
KR (1) KR102270114B1 (ko)
CN (1) CN111095630B (ko)
ES (1) ES2974702T3 (ko)
HU (1) HUE065921T2 (ko)
PL (1) PL3671917T3 (ko)
WO (1) WO2019059552A2 (ko)

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CN110026200B (zh) * 2019-04-24 2020-12-25 中国科学技术大学 一种La单原子掺杂的钴酸锂纳米催化剂、其制备方法及其应用
CN110391414A (zh) * 2019-06-19 2019-10-29 重庆市维都利新能源有限公司 一种高能量密度聚合物锂离子电池及其制备方法
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KR20210031324A (ko) 2019-09-11 2021-03-19 주식회사 엘지화학 이차전지용 양극 활물질 및 이를 포함하는 리튬 이차전지
JPWO2021241027A1 (ko) * 2020-05-29 2021-12-02
CN112271277B (zh) * 2020-09-27 2023-07-18 溧阳天目先导电池材料科技有限公司 一种含有金属元素梯度掺杂的负极材料及其应用
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KR20130010341A (ko) * 2011-07-18 2013-01-28 삼성에스디아이 주식회사 리튬 이차 전지용 양극 활물질, 그 제조방법, 이를 포함하는 리튬 이차 전지용 양극 및 이를 구비한 리튬 이차 전지
CN103904323A (zh) * 2012-12-28 2014-07-02 北京当升材料科技股份有限公司 一种球形羟基氧化钴的制备方法
KR20160039983A (ko) * 2014-10-02 2016-04-12 주식회사 엘지화학 리튬이차전지용 양극활물질, 이의 제조방법 및 이를 포함하는 리튬이차전지

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WO2019059552A2 (ko) 2019-03-28
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JP2020532849A (ja) 2020-11-12
CN111095630B (zh) 2023-02-14
EP3671917A4 (en) 2020-11-25
EP3671917A2 (en) 2020-06-24
ES2974702T3 (es) 2024-07-01
HUE065921T2 (hu) 2024-06-28
PL3671917T3 (pl) 2024-05-27
US11611077B2 (en) 2023-03-21
US20200220173A1 (en) 2020-07-09
CN111095630A (zh) 2020-05-01
JP7046411B2 (ja) 2022-04-04

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