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:
Nov. 03, 2015
Filed:
Nov. 26, 2013
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Jong-Ho Jeon, Daejeon, KR;
Yong-Gon Lee, Daejeon, KR;
Seung-Woo Chu, Daejeon, KR;
Shul-Kee Kim, Daejeon, KR;
Hyun-Yeong Lee, Daejeon, KR;
Jae-Deok Jeon, Daejeon, KR;
Assignee:
LG Chem, Ltd., , KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/12 (2006.01); H01M 10/052 (2010.01); H01M 10/0567 (2010.01); H01M 10/0569 (2010.01); H01M 10/0568 (2010.01);
U.S. Cl.
CPC ...
H01M 2/1276 (2013.01); H01M 10/052 (2013.01); H01M 10/0567 (2013.01); H01M 10/0569 (2013.01); H01M 10/0568 (2013.01); Y02E 60/122 (2013.01);
Abstract
The present invention provides a lithium secondary battery, comprising a cathode, an anode, a non-aqueous solution containing a lithium salt and an organic solvent, and a safety vent for removing increased internal pressure, the non-aqueous solution having the prescribed composition and the safety vent having the prescribed operational characteristics. The lithium secondary battery of the present invention can ensure its safety even when overcharged.