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. 24, 2015
Filed:
Dec. 17, 2009
Applicant:
Dae-kyu Kim, Suwon-si, KR;
Inventor:
Dae-Kyu Kim, Suwon-si, KR;
Assignee:
Samsung SDI Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/08 (2006.01); H01M 2/04 (2006.01); H01M 2/12 (2006.01); H01M 10/052 (2010.01);
U.S. Cl.
CPC ...
H01M 2/0413 (2013.01); H01M 2/1241 (2013.01); H01M 2/1235 (2013.01); H01M 2/046 (2013.01); H01M 2/12 (2013.01); H01M 10/052 (2013.01); H01M 2200/00 (2013.01); H01M 2200/106 (2013.01);
Abstract
Provided are a cap assembly for a secondary battery. The cap assembly includes a cap-up, a PTC thermistor disposed under the cap-up, a vent disposed under the PTC thermistor, and an insulating plate disposed between the vent and the cap-up and preventing contact between the vent and the PTC thermistor. Here, the vent includes a curling part bent to cover an external surface of the insulating plate. Further, the secondary battery includes an electrode assembly, a can accommodating the electrode assembly and having an opening, and the cap assembly which seals the can.