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:
Jun. 12, 2018
Filed:
Nov. 16, 2015
Applicant:
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Inventor:
Cheol-Hee Hwang, Yongin-si, KR;
Assignee:
Samsung SDI Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/62 (2006.01); H01M 10/052 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/623 (2013.01); H01M 10/052 (2013.01); H01M 2004/028 (2013.01); H01M 2220/30 (2013.01);
Abstract
A positive electrode for a rechargeable lithium battery includes a positive active material and a binder including polyvinylidene fluoride, a carboxyl group-containing polyvinylidene fluoride, and poly(vinylidenefluoride-tetrafluoroethylene). The positive electrode may have an improved binding force and increased flexibility. A rechargeable lithium battery includes the positive electrode. The rechargeable lithium battery may have high capacity and excellent performance.