POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD OF PREPARING POSITIVE ELECTRODE ACTIVE MATERIAL, AND LITHIUM SECONDARY BATTERY USING POSITIVE ELECTRODE ACTIVE MATERIAL
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United States of America Patent
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Issued Date -
Sep 26, 2013
app pub date -
Dec 28, 2012
filing date -
Mar 23, 2012
priority date (Note) -
Abandoned
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Abstract
Provided are a positive electrode active material, a method of preparing the same, and a lithium secondary battery using the positive electrode active material, and more particularly, a positive electrode active material in which a surface of layer-structured lithium transition metal composite oxide is coated with one or more indium-based compounds selected from the group consisting of indium oxides and alloys including indium, a method of preparing the positive electrode active material, and a lithium secondary battery using the positive electrode active material. According to the present disclosure, degradation of cycle characteristics according to repetitive discharge of a battery may be prevented and thermal stability and rate characteristics may be improved.
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