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:
Mar. 23, 2021
Filed:
Dec. 03, 2015
Applicant:
Samsung Sdi Co., Ltd., Yongin-si, KR;
Inventor:
Jae-Il Seong, Yongin-si, KR;
Assignee:
Samsung SDI Co., Ltd., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/02 (2006.01);
U.S. Cl.
CPC ...
H01M 2/0292 (2013.01); H01M 2/02 (2013.01);
Abstract
A rechargeable battery that can reduce rust occurrence is provided. The rechargeable battery includes: an electrode assembly including a positive electrode and a negative electrode; a case that houses the electrode assembly; and a cap plate that is coupled to the case, wherein an angle between a front end surface that is formed at the front end of the case and an outer surface of the case is larger than an angle between the front end surface and an inner surface of the case.