POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY METHOD OF PREPARING THE SAME AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE SAME

Provided is a positive electrode active material including a nickel-based composite metal oxide, which is a secondary particle in which a plurality of primary particles are aggregated, wherein the positive electrode active material includes a core and a shell, the primary particles of the shell are...

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Bibliographische Detailangaben
Hauptverfasser:	KWON SEONYOUNG, LEE DOO KYUN, HONG KIJOO, JUN DOWOOK, KIM MIN JU, KONG YOUNGSUN, AHN KIYONG
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F ELECTRICITY INORGANIC CHEMISTRY METALLURGY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	Provided is a positive electrode active material including a nickel-based composite metal oxide, which is a secondary particle in which a plurality of primary particles are aggregated, wherein the positive electrode active material includes a core and a shell, the primary particles of the shell are coated with manganese-containing nickel-based composite metal oxide, and the manganese-containing nickel-based composite metal oxide has a layered structure. 복수의 1차 입자가 응집된 2차 입자인 니켈계 복합 금속 산화물을 포함하는 양극 활물질로서, 상기 양극 활물질은 코어 및 쉘을 포함하며, 상기 쉘의 1차 입자는 망간-함유 니켈계 복합 금속 산화물로 코팅되고, 상기 망간-함유 니켈계 복합 금속 산화물은 층상 구조를 가지는 양극 활물질이 제공된다.