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:
Dec. 15, 2020
Filed:
Nov. 27, 2018
Applicants:
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Inventors:
SangJin Park, Gyeonggi-do, KR;
Seung-Min Oh, Incheon, KR;
SungHoon Lim, Gyeonggi-do, KR;
Seyoung Lee, Seoul, KR;
Shinkook Kong, Seoul, KR;
Jung Young Cho, Seoul, KR;
Assignees:
Hyundai Motor Company, Seoul, KR;
Kia Motors Corporation, Seoul, KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/38 (2006.01); H01M 10/0525 (2010.01); H01M 10/0567 (2010.01); H01M 4/36 (2006.01); H01M 4/583 (2010.01); H01M 4/62 (2006.01); H01M 4/02 (2006.01); H01M 10/0568 (2010.01);
U.S. Cl.
CPC ...
H01M 4/386 (2013.01); H01M 4/366 (2013.01); H01M 4/583 (2013.01); H01M 4/625 (2013.01); H01M 10/0525 (2013.01); H01M 10/0567 (2013.01); H01M 10/0568 (2013.01); H01M 2004/027 (2013.01); H01M 2220/20 (2013.01); H01M 2300/0025 (2013.01);
Abstract
Disclosed is a lithium secondary battery capable of preventing the battery life from being reduced. The lithium secondary battery includes a cathode, an anode including silicon, a separator positioned between the cathode and the anode, and an electrolyte including flouoroethylene carbonate (FEC), wherein a weight ratio of the silicon to the FEC is about 0.4 to about 0.8.