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:
Aug. 26, 2014
Filed:
Dec. 12, 2008
Applicants:
Yong-shik Kim, Suwon-si, KR;
Jin-bum Kim, Suwon-si, KR;
Jin-sung Kim, Suwon-si, KR;
Na-rae Park, Suwon-si, KR;
Inventors:
Yong-Shik Kim, Suwon-si, KR;
Jin-Bum Kim, Suwon-si, KR;
Jin-Sung Kim, Suwon-si, KR;
Na-Rae Park, Suwon-si, KR;
Assignee:
Samsung SDI Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 6/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lithium secondary battery includes a positive electrode, a negative electrode, a separator separating the positive electrode and the negative electrode, and an electrolyte. The negative electrode active material of the negative electrode includes a material that is capable of reversibly intercalating and deintercalating lithium ions and a metallic material capable of alloying with lithium. The electrolyte includes a chemical compound containing a nitrile (—CN) radical.