POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY

WIPO Patent Application WO/2010/079949

A2

The present invention provides a positive electrode active material comprising a lithium nickel-manganese-cobalt oxide expressed in Chemical Formula 1, wherein said lithium nickel-manganese-cobalt oxide has nickel contents of 40% or higher to the whole of transition metals, and has a surface coated with a conductive polymer. The lithium secondary battery containing the positive electrode active material according to the present invention is advantageous in that high temperature safety is improved without degrading electrical conductivity, thus enabling the lithium secondary battery to effectively exert high capacity thereof.

WO/2006/082846	THIN-FILM SOLID SECONDARY CELL
JP2001345101	SECONDARY BATTERY
JP2004265677	NON-AQUEOUS ELECTROLYTE BATTERY

CHANG, Sung kyun (106-901, Chonggu Narae Apt.Jeonmin-dong, Yuseong-gu, Daejeon 305-729, 305-729, KR)
장성균 (대전광역시 유성구 전민동 청구나래아파트 106동 901호, 305-729 Daejeon, 305-729, KR)
PARK, Hong-Kyu (3 Songrimmaeul Apt, Hagi-dong Yuseong-gu, Daejeon 305-759, 305-759, KR)

KR2010/000065

July 15, 2010

January 06, 2010

Click for automatic bibliography generation  

LG CHEM, LTD. (20 Yoido-dong, Youngdungpo-gu, Seoul 150-721, 150-721, KR)
주식회사 엘지화학 (서울특별시 영등포구 여의도동 20번지, 150-721 Seoul, 150-721, KR)
CHANG, Sung kyun (106-901, Chonggu Narae Apt.Jeonmin-dong, Yuseong-gu, Daejeon 305-729, 305-729, KR)
장성균 (대전광역시 유성구 전민동 청구나래아파트 106동 901호, 305-729 Daejeon, 305-729, KR)

H01M4/48; B60L11/18; H01M4/60; H01M10/36

SOHN, Chang Kyu (1403, Seongji Heights 2-cha Bldg.642-16, Yoksam 1-dong, Kangnam-gu, Seoul 135-910, 135-910, KR)

View/Download PDF      PDF Help

Previous Patent: MILLING CUTTING TOOL EMPLOYING A CUTTING INSERT

Next Patent: METHOD OF PROVIDING WIRELESS DATA COMMUNICATION SERVICE USING IP AND APPARATUS THEREOF