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. 04, 2020
Filed:
Sep. 12, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/26 (2006.01); H01M 10/613 (2014.01); H01M 10/6572 (2014.01); H01M 2/02 (2006.01);
U.S. Cl.
CPC ...
H01M 2/26 (2013.01); H01M 2/0277 (2013.01); H01M 2/263 (2013.01); H01M 10/613 (2015.04); H01M 10/6572 (2015.04); H01M 2200/00 (2013.01); H01M 2200/10 (2013.01);
Abstract
The present invention relates to a secondary battery. The secondary battery includes an electrode assembly built in a can, a positive electrode tab of the electrode assembly connected to a cap coupled to an upper end of the can, wherein the positive electrode tab having at least one bent portion, a negative electrode tab, and a buffer member inserted into the bent portion of the positive electrode tab. Thus, excessive bending of the positive electrode tab is prevented by the buffer member.