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:
Jun. 25, 2019
Filed:
Jan. 04, 2017
Applicant:
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Inventors:
Gun Gue Park, Yongin-si, KR;
Hyo Rim Bak, Yongin-si, KR;
Assignee:
Samsung SDI Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 2/00 (2006.01); H01M 2/34 (2006.01); H01M 2/12 (2006.01); H01M 2/04 (2006.01);
U.S. Cl.
CPC ...
H01M 2/345 (2013.01); H01M 2/046 (2013.01); H01M 2/1229 (2013.01); H01M 2/1241 (2013.01); H01M 2/0413 (2013.01); H01M 2200/20 (2013.01);
Abstract
A cap assembly for a secondary battery includes: a cap plate; a current interrupt device (CID); a middle plate; and an insulator. The CID includes: a vent plate under the cap plate and including a vent portion protruding downward; and a sub-plate under the vent plate and connected to the vent portion. The middle plate is between the vent plate and the sub-plate and is electrically connected to the vent plate via the sub-plate. The insulator is between the vent plate and the middle plate, and the insulator includes a crosslinked polymer.