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:
Oct. 13, 2015
Filed:
Mar. 04, 2011
Applicant:
Hwail Uh, Yongin-si, KR;
Inventor:
Hwail Uh, Yongin-si, KR;
Assignee:
Samsung SDI Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/02 (2006.01); H01M 2/04 (2006.01); H01M 2/06 (2006.01); H01M 2/08 (2006.01); H01M 10/04 (2006.01);
U.S. Cl.
CPC ...
H01M 10/0431 (2013.01); H01M 2/0217 (2013.01); H01M 2/0473 (2013.01);
Abstract
A secondary battery includes an electrode assembly; a can having an opening configured to receive the electrode assembly, wherein the can includes a first stepped portion and a second stepped portion on an inner surface adjacent to the opening and wherein the first and second stepped portions have different depths; a cap assembly comprising a cap plate hermetically sealing the opening of the can; and an insulation case located between the electrode assembly and the cap assembly.