CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME

A cathode active material for a lithium secondary battery includes a lithium metal oxide particle containing nickel (Ni) and cobalt (Co). The lithium metal oxide particle includes a concentration gradient region formed in at least one region between a center of the lithium metal oxide particle and a...

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Hauptverfasser: HWANG, Duck Chul, YOO, Kyung Bin
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Sprache:eng ; fre ; ger
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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YOO, Kyung Bin
description A cathode active material for a lithium secondary battery includes a lithium metal oxide particle containing nickel (Ni) and cobalt (Co). The lithium metal oxide particle includes a concentration gradient region formed in at least one region between a center of the lithium metal oxide particle and a surface of the lithium metal oxide particle. A ratio of a concentration represented as an atomic percent of Co at the surface relative to a concentration represented as an atomic percent of Co at the center is 6.7 or more.
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME
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