NICKEL-BASED LITHIUM METAL COMPOSITE OXIDE, PREPARING METHOD THEREOF, AND LITHIUM SECONDARY BATTERY INCLUDING POSITIVE ELECTRODE INCLUDING THE SAME

NICKEL-BASED LITHIUM METAL COMPOSITE OXIDE, PREPARING METHOD THEREOF, AND LITHIUM SECONDARY BATTERY INCLUDING POSITIVE ELECTRODE INCLUDING THE SAME

Disclosed herein are a nickel-based lithium metal composite oxide, a method of preparing the same, and a lithium secondary battery including a positive electrode including the same. The nickel-based lithium metal composite oxide includes secondary particles including aggregates of primary particles,...

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Bibliographische Detailangaben
Hauptverfasser: KIM, Youngki, KIM, Sangmi, CHAE, Youngjoo, KIM, Jinyoung, KONG, Youngsun, KANG, Gwiwoon, JEONG, Jaeyoung, HONG, Soonkie
Format: Patent
Sprache:eng ; fre ; ger
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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Zusammenfassung:Disclosed herein are a nickel-based lithium metal composite oxide, a method of preparing the same, and a lithium secondary battery including a positive electrode including the same. The nickel-based lithium metal composite oxide includes secondary particles including aggregates of primary particles, wherein a content of nickel in the nickel-based lithium metal composite oxide is 50 mol% or more, based on the total content of transition metals in the nickel-based lithium metal composite oxide, the secondary particles include large secondary particles having a particle size of 10 µm or more and small secondary particles having a particle size of 5 µm or less, and the content of nickel in the large secondary particles is larger than the content of nickel in the small secondary particles.