WO2019078688A3 - 리튬 이차전지용 양극 활물질, 이의 제조방법, 이를 포함하는 리튬 이차전지용 양극 및 리튬 이차전지 - Google Patents

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

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WO2019078688A3
WO2019078688A3 PCT/KR2018/012452 KR2018012452W WO2019078688A3 WO 2019078688 A3 WO2019078688 A3 WO 2019078688A3 KR 2018012452 W KR2018012452 W KR 2018012452W WO 2019078688 A3 WO2019078688 A3 WO 2019078688A3
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secondary battery
lithium secondary
positive electrode
active material
electrode active
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PCT/KR2018/012452
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WO2019078688A2 (ko
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주서희
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주식회사 엘지화학
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Priority to US16/754,027 priority Critical patent/US11489156B2/en
Priority to CN201880066202.2A priority patent/CN111201647B/zh
Priority to JP2020518406A priority patent/JP7009015B2/ja
Publication of WO2019078688A2 publication Critical patent/WO2019078688A2/ko
Publication of WO2019078688A3 publication Critical patent/WO2019078688A3/ko

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    • 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
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    • 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
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    • H01M10/00—Secondary cells; Manufacture thereof
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    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
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    • 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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    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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    • 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
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    • 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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    • 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
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Abstract

본 발명은 하기 화학식 1로 표시되는 리튬 전이금속 산화물; 및, 상기 리튬 전이금속 산화물의 표면에 형성된 리튬-함유 무기 화합물층;을 포함하는, 양극 활물질, 상기 양극 활물질의 제조 방법, 상기 양극 활물질을 포함하는 리튬 이차전지용 양극 및 리튬 이차전지에 관한 것이다: [화학식 1] Li1+a(NibCocXdM1 eM2 f)1-aO2 상기 화학식 1에서, X는 Mn 및 Al로 이루어진 군에서 선택되는 적어도 하나 이상이고, M1는 S, F, P, 및 N으로 이루어진 군에서 선택되는 적어도 하나 이상이고, M2는 Zr, B, Co, W, Mg, Ce, Ta, Ti, Sr, Ba, Hf, F, P, S, La 및 Y로 이루어진 군에서 선택되는 적어도 하나 이상이고, 0≤a≤0.1, 0.6≤b≤0.99, 0≤c≤0.2, 0≤d≤0.2, 0<e≤0.1, 0<f≤0.1임.
PCT/KR2018/012452 2017-10-20 2018-10-19 리튬 이차전지용 양극 활물질, 이의 제조방법, 이를 포함하는 리튬 이차전지용 양극 및 리튬 이차전지 WO2019078688A2 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US16/754,027 US11489156B2 (en) 2017-10-20 2018-10-19 Positive electrode active material for lithium secondary battery, method of preparing the same, and positive electrode for lithium secondary battery and lithium secondary battery which include the positive electrode active material
CN201880066202.2A CN111201647B (zh) 2017-10-20 2018-10-19 锂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用正极和锂二次电池
JP2020518406A JP7009015B2 (ja) 2017-10-20 2018-10-19 リチウム二次電池用正極活物質、その製造方法、それを含むリチウム二次電池用正極、およびリチウム二次電池

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KR10-2017-0136891 2017-10-20
KR1020170136891A KR102298293B1 (ko) 2017-10-20 2017-10-20 리튬 이차전지용 양극 활물질, 이의 제조방법, 이를 포함하는 리튬 이차전지용 양극 및 리튬 이차전지

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WO2019078688A3 true WO2019078688A3 (ko) 2019-06-06

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JP7092093B2 (ja) * 2019-06-05 2022-06-28 トヨタ自動車株式会社 湿潤混合物、正極板、及び、リチウムイオン二次電池の製造方法、湿潤混合物、正極板、及び、リチウムイオン二次電池
KR102288491B1 (ko) * 2019-08-16 2021-08-10 주식회사 에스엠랩 양극활물질, 이의 제조방법 및 이를 포함하는 양극을 포함한 리튬이차전지
JP7137602B2 (ja) * 2020-09-18 2022-09-14 プライムプラネットエナジー＆ソリューションズ株式会社 被膜付き正極活物質粒子の製造方法
JP7209449B2 (ja) * 2021-02-08 2023-01-20 プライムプラネットエナジー＆ソリューションズ株式会社 Ｌｐｏ付き活物質粉体の製造方法

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US20200328417A1 (en) 2020-10-15
WO2019078688A2 (ko) 2019-04-25
CN111201647B (zh) 2022-07-01
US11489156B2 (en) 2022-11-01
CN111201647A (zh) 2020-05-26
JP7009015B2 (ja) 2022-01-25
KR20190044445A (ko) 2019-04-30
KR102298293B1 (ko) 2021-09-07
JP2020535618A (ja) 2020-12-03

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