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:
Apr. 14, 2020
Filed:
Mar. 15, 2017
Applicant:
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Inventors:
Sunggwi Ko, Yongin-si, KR;
Geunho Seo, Yongin-si, KR;
Assignee:
Samsung SDI Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/12 (2006.01); H01M 2/04 (2006.01); H01M 2/34 (2006.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 2/1241 (2013.01); H01M 2/046 (2013.01); H01M 2/0413 (2013.01); H01M 2/0486 (2013.01); H01M 2/345 (2013.01); H01M 10/0525 (2013.01); H01M 2200/20 (2013.01);
Abstract
A secondary battery includes: a cylindrical can; an electrode assembly accommodated in the cylindrical can with an electrolyte; and a cap assembly sealing the cylindrical can. The cap assembly includes a cap-up having a terminal portion, a bent portion downwardly bent from the terminal portion, and an extending portion outwardly extending from the bent portion. The terminal portion has a smaller thickness than the extending portion, and a top-end height of the terminal portion of the cap-up is equal to or less than that of the cylindrical can.