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:
Feb. 11, 2020
Filed:
Apr. 29, 2016
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventor:
Dong-Kyu Kim, Daejeon, KR;
Assignee:
LG Chem, Ltd., , KR;
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/34 (2006.01); H01M 2/26 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 2/348 (2013.01); H01M 2/26 (2013.01); H01M 10/0525 (2013.01); H01M 2200/101 (2013.01);
Abstract
The present disclosure relates to a lithium secondary battery having improved safety. In the lithium secondary battery, the property of a bimetal bent in one direction at high temperature under an abnormal operating condition is used to cause a disconnection between an electrode tab and an electrode lead and to increase the internal resistance of a unit cell, thereby improving the safety of a lithium secondary battery.