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. 06, 2012
Filed:
Aug. 04, 2007
Applicants:
Seung W. Chu, Daejeon, KR;
Dongmyung Kim, Daejeon, KR;
Kwonyoung Choi, Daejeon, KR;
Yong Jeong Kim, Daejeon, KR;
Jong Hee Kim, Daejeon, KR;
Dong Myung OH, Seoul, KR;
Bora Shin, Seoul, KR;
Inventors:
Seung W. Chu, Daejeon, KR;
Dongmyung Kim, Daejeon, KR;
Kwonyoung Choi, Daejeon, KR;
Yong Jeong Kim, Daejeon, KR;
Jong Hee Kim, Daejeon, KR;
Dong Myung Oh, Seoul, KR;
Bora Shin, Seoul, KR;
Assignee:
LG Chem, Ltd., , KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a secondary battery comprising a cathode active material having low-electrolyte wettability as a main ingredient, which is capable of improving high-rate discharge properties by an addition of a perfluorinated sulfonamide substituent-containing polymer ('additive') to a cathode mix and/or an electrolyte.