Positive active material for rechargeable lithium battery, method of preparing same, and rechargeable lithium battery including the same

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United States of America Patent

PATENT NO 10868300
APP PUB NO 20150147651A1
SERIAL NO

14281678

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Abstract

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A positive active material for a rechargeable lithium battery including a core including at least one selected from a nickel-based composite oxide represented by Chemical Formula 1 or a lithium manganese oxide represented by Chemical Formula 2; and a coating layer on a surface of the core and including a lithium metal oxide represented by Chemical Formula 3, the positive active material having a peak at a 2θ value of about 19° to about 22° and another peak at a 2θ value of about 40° to about 45° in an X-ray diffraction pattern using a CuKα ray, is disclosed. A method of preparing the same, and a rechargeable lithium battery including the same, are also disclosed.

description='In-line Formulae' end='lead'LiNixCoyMn1-x-yO2  Chemical Formula 1description='In-line Formulae' end='tail'

description='In-line Formulae' end='lead'LiaMnbOc  Chemical Formula 2description='In-line Formulae' end='tail'

description='In-line Formulae' end='lead'Li2MO3  Chemical Formula 3description='In-line Formulae' end='tail'

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Patent Owner(s)

Patent OwnerAddress
SAMSUNG SDI CO LTD150-20 GONGSE-RO GIHEUNG-GU YONGIN-SI GYEONGGI-DO 17084

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Choi, Jong-Seo Yongin-si, KR 85 438
Hong, Ming-Zi Yongin-si, KR 21 114
Kim, Ji-Hyun Yongin-si, KR 189 1734
Kim, Ki-Hyun Yongin-si, KR 169 1307
Kim, Min-Han Yongin-si, KR 34 247
Kwon, Seon-Young Yongin-si, KR 37 214
Moon, Joong-Ho Yongin-si, KR 20 118
Park, Do-Hyung Yongin-si, KR 57 335
Park, Han-Eol Yongin-si, KR 17 128
Woo, Myong-A Yongin-si, KR 4 24

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