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. 08, 2008
Filed:
Dec. 30, 2004
Applicants:
Hyun Hang Yong, Seoul, KR;
Sang Young Lee, Daejeon, KR;
Seok Koo Kim, Daejeon, KR;
Soon Ho Ahn, Daejeon, KR;
Inventors:
Hyun Hang Yong, Seoul, KR;
Sang Young Lee, Daejeon, KR;
Seok Koo Kim, Daejeon, KR;
Soon Ho Ahn, Daejeon, KR;
Assignee:
LG Chem, Ltd., , KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/58 (2006.01); H01M 4/50 (2006.01); H01M 4/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a cathode produced from a cathode slurry comprising: (a) a cathode active material based on a lithium-containing metal composite oxide or a chalcogenide compound; and (b) an ionic liquid, as well as an electrochemical device including the cathode. The inventive cathode can greatly improve the safety of batteries without causing a significant deterioration in the battery performance.