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:
Jul. 05, 2022
Filed:
Apr. 13, 2018
Samsung Sdi Co., Ltd., Yongin-si, KR;
Dae Young Kim, Yongin-si, KR;
Jun Sun Yong, Yongin-si, KR;
Seung Ho Kwak, Yongin-si, KR;
Yong Chul Seo, Yongin-si, KR;
Sang Won Byun, Yongin-si, KR;
Hyun Soo Lee, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-si, KR;
Abstract
Various embodiments of the present invention relate to a secondary battery, and the technical problem to be solved is to provide a secondary battery having a cathode terminal-integrated cap plate, which prevents the occurrence of weld defects during welding of a bus bar. To this end, the present disclosure provides a secondary battery comprising: a case; an electrode assembly received in the case; and a cap plate coupled to the case so as to protect the electrode assembly, wherein the cap plate includes a terminal part to which the electrode assembly is electrically connected and which is formed integrally with the cap plate, and the terminal part is thicker than the cap plate.