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:
May. 12, 2015
Filed:
Mar. 12, 2013
Applicant:
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Inventors:
Shin-Jung Kim, Yongin-si, KR;
Dae-Kyu Kim, Yongin-si, KR;
Assignee:
Samsung SDI Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/00 (2006.01); H01M 10/04 (2006.01); H01M 2/02 (2006.01); H01M 10/0587 (2010.01);
U.S. Cl.
CPC ...
H01M 10/0431 (2013.01); H01M 2/022 (2013.01); H01M 10/0587 (2013.01); H01M 10/04 (2013.01);
Abstract
A rechargeable battery including: an electrode assembly; a center pin arranged at a center of the electrode assembly; a case containing the electrode assembly; and a cap assembly coupled to an opening of the case and electrically connected to the electrode assembly, and the center pin includes a first pipe arranged at the center of the electrode assembly, and a second pipe arranged in the first pipe with a buffering space between the first pipe and the second pipe, the second pipe having a strength that is different from a strength of the first pipe.