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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Hauptverfasser: KIM, Youngki, KIM, Sangmi, CHAE, Youngjoo, KIM, Jinyoung, KONG, Youngsun, KANG, Gwiwoon, JEONG, Jaeyoung, HONG, Soonkie
Format: Patent
Sprache:eng ; fre ; ger
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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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creator KIM, Youngki
KIM, Sangmi
CHAE, Youngjoo
KIM, Jinyoung
KONG, Youngsun
KANG, Gwiwoon
JEONG, Jaeyoung
HONG, Soonkie
description 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.
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subjects 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
title NICKEL-BASED LITHIUM METAL COMPOSITE OXIDE, PREPARING METHOD THEREOF, AND LITHIUM SECONDARY BATTERY INCLUDING POSITIVE ELECTRODE INCLUDING THE SAME
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