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:
Nov. 26, 2019
Filed:
Sep. 25, 2014
Applicant:
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Inventors:
Assignee:
Samsung SDI Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/02 (2006.01); H01M 2/04 (2006.01); H01M 10/12 (2006.01); H01M 10/04 (2006.01);
U.S. Cl.
CPC ...
H01M 2/0287 (2013.01); H01M 2/0272 (2013.01); H01M 2/0413 (2013.01); H01M 2/022 (2013.01); H01M 2/0491 (2013.01); H01M 10/0422 (2013.01); H01M 10/125 (2013.01); H01M 2220/30 (2013.01); Y10T 29/49115 (2015.01);
Abstract
A rechargeable battery capable of preventing rust generation at an opening side of a battery case. The rechargeable battery according to embodiments of the present invention includes: an electrode assembly; a case having an opening and accommodating the electrode assembly; and a cap assembly electrically connected to the electrode assembly, and coupled to an opening side of the case with a gasket interposed therebetween, wherein the opening side of the case includes a trimming end, a gap proximate the trimming end, and a coating layer on an inner surface of the gap proximate the trimming end.