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:
Jan. 13, 2009
Filed:
Mar. 28, 2005
Applicants:
Hey Woong Park, Daejeon, KR;
Ji-sang Yu, Daejeon, KR;
Sung-woo Kim, Daejeon, KR;
Min Su Kim, Daejeon, KR;
Inventors:
Hey Woong Park, Daejeon, KR;
Ji-Sang Yu, Daejeon, KR;
Sung-Woo Kim, Daejeon, KR;
Min Su Kim, Daejeon, KR;
Assignee:
LG Chem, Ltd., , KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/58 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a non-aqueous electrolyte-based high power lithium secondary battery having a long-term service life and superior safety at both room temperature and high temperature, even after repeated high-current charging and discharging, wherein the battery comprises a mixture of a particular lithium manganese-metal composite oxide (A) having a spinel structure and a particular lithium nickel-manganese-cobalt composite oxide (B) having a layered structure, as a cathode active material.