NICKEL-BASED COMPOSITE POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING POSITIVE ELECTRODE INCLUDING THE SAME

NICKEL-BASED COMPOSITE POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING THE SAME, AND LITHIUM SECONDARY BATTERY INCLUDING POSITIVE ELECTRODE INCLUDING THE SAME

A nickel-based composite positive electrode active material for a lithium secondary battery is in the form of secondary particles each comprised of a plurality of primary particles, each primary particle of the plurality of primary particles having a core portion formed of a nickel-based lithium met...

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Bibliographische Detailangaben
Hauptverfasser: KIM, Youngki, CHAE, Youngjoo, LEE, Soonrewl, HONG, Soonkie, KIM, Jongmin
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Zusammenfassung:A nickel-based composite positive electrode active material for a lithium secondary battery is in the form of secondary particles each comprised of a plurality of primary particles, each primary particle of the plurality of primary particles having a core portion formed of a nickel-based lithium metal oxide having a layered phase and a surface portion positioned on the core portion, wherein the surface portion has a spinel phase and the layered phase. A method of preparing the nickel-based composite positive electrode active material, and a lithium secondary battery containing a positive electrode including the nickel-based composite positive electrode active material are also provided.