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:
May. 04, 2021
Filed:
May. 02, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Sang Hun Kim, Daejeon, KR;
Yong Kim, Daejeon, KR;
Yong Su Choi, Daejeon, KR;
Hyung Kyun Yu, Daejeon, KR;
Soo Ji Hwang, Daejeon, KR;
Na Yoon Kim, Daejeon, KR;
Min Hyeong Kang, Daejeon, KR;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/02 (2006.01); H01M 2/34 (2006.01); H01M 2/06 (2006.01); H01M 2/26 (2006.01); H01M 2/30 (2006.01);
U.S. Cl.
CPC ...
H01M 2/345 (2013.01); H01M 2/06 (2013.01); H01M 2/26 (2013.01); H01M 2/30 (2013.01); H01M 2200/20 (2013.01);
Abstract
A secondary battery is disclosed. According to the present invention, when an internal pressure exceeding a certain level occurs, current may be interrupted to stop an operation of the secondary battery, thereby preventing the secondary battery from being ignited or exploded by the increase in internal pressure of the secondary battery and improving safety of the secondary battery.