CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND METHODE OF MANUFACTURING THE SAME

A positive electrode active material for a secondary battery according to exemplary embodiments includes: a lithium metal oxide particle having a secondary particle structure in which a plurality of primary particles are aggregated; a first coating unit formed on at least a part of the surface of th...

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Bibliographic Details
Main Authors KWEON HEE JUN, LEE TAE KYOUNG, KIM JIK SOO, HA DONG WOOK, CHOI JI HOON, PARK SUNG SOON
Format Patent
LanguageEnglish
Korean
Published 22.09.2022
Subjects
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Summary:A positive electrode active material for a secondary battery according to exemplary embodiments includes: a lithium metal oxide particle having a secondary particle structure in which a plurality of primary particles are aggregated; a first coating unit formed on at least a part of the surface of the lithium metal oxide particle and including a first metal; and a second coating unit formed on at least a part of the interface of the primary particles and including a second metal. 예시적인 실시예들에 따른 이차 전지용 양극 활물질은 복수의 1차 입자들이 응집된 2차 입자 구조를 갖는 리튬 금속 산화물 입자, 상기 리튬 금속 산화물 입자 표면의 적어도 일부 상에 형성되며 제1 금속을 포함하는 제1 코팅부, 및 상기 1차 입자들의 계면의 적어도 일부에 형성되며 제2 금속을 포함하는 제2 코팅부를 포함할 수 있다.
Bibliography:Application Number: KR20210095362