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. 27, 2019
Filed:
Sep. 04, 2015
Applicant:
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Inventors:
Yuna Kim, Yongin-si, KR;
Jangho Yoon, Yongin-si, KR;
Assignee:
Samsung SDI Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/26 (2006.01); H01M 10/0525 (2010.01); H01M 2/04 (2006.01); H01M 2/20 (2006.01);
U.S. Cl.
CPC ...
H01M 2/26 (2013.01); H01M 2/043 (2013.01); H01M 2/0404 (2013.01); H01M 2/0473 (2013.01); H01M 2/20 (2013.01); H01M 2/263 (2013.01); H01M 10/0525 (2013.01); H01M 2220/20 (2013.01); H01M 2220/30 (2013.01);
Abstract
A secondary battery includes: an electrode assembly; an electrode lead attached to an electrode tab extending from the electrode assembly, the electrode lead having a through-hole formed therein; a case accommodating the electrode assembly and the electrode lead; and a cap plate coupled to the case to seal an opening of the case and including a protrusion part protruding to the inside of the case, the protrusion part being coupled to the electrode lead through the through-hole by riveting, and the cap plate has at least one rivet groove formed around a periphery of the protrusion part.