The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 14, 2017
Filed:
Sep. 24, 2014
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Hyeokmoo Lee, Daejeon, KR;
Song Taek Oh, Daejeon, KR;
Su Rim Lee, Daejeon, KR;
JungSeok Choi, Daejeon, KR;
Ji Hye Park, Daejeon, KR;
Assignee:
LG Chem, Ltd., , KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/505 (2010.01); H01M 4/525 (2010.01); H01M 4/131 (2010.01);
U.S. Cl.
CPC ...
H01M 4/364 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/131 (2013.01); Y02E 60/122 (2013.01);
Abstract
Disclosed are a cathode active material for lithium secondary batteries and a lithium secondary battery including the same and, more particularly, the present invention relates to a cathode active material for lithium secondary batteries that includes a mixture of an overlithiated transition metal oxide represented by Formula 1 below and a lithium composite transition metal oxide represented by Formula 2 below:LiNiMnCoMOA  (1)LiNiMnCoM'OA′  (2)