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:
Dec. 29, 2015
Filed:
Jul. 09, 2010
Applicants:
Sung Kyun Chang, Daejeon, KR;
Hong-kyu Park, Daejeon, KR;
Sinyoung Park, Daejeon, KR;
Inventors:
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/525 (2010.01); H01M 4/485 (2010.01); H01M 4/52 (2010.01); H01M 4/505 (2010.01); H01M 4/62 (2006.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/62 (2013.01); H01M 4/625 (2013.01); H01M 10/052 (2013.01); Y02E 60/122 (2013.01); Y02T 10/7011 (2013.01);
Abstract
Disclosed herein is a cathode active material based on lithium nickel-manganese-cobalt oxide represented by Formula 1, wherein an ion-conductive solid compound and conductive carbon are applied to a surface of the lithium nickel-manganese-cobalt oxide. A lithium secondary battery having the disclosed cathode active material has improved rate properties and high temperature stability, in turn embodying excellent cell performance.