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. 10, 2020
Filed:
Mar. 17, 2017
Applicant:
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Inventors:
Sanghyo Lee, Yongin-si, KR;
Wonil Jung, Yongin-si, KR;
Woohyuk Choi, Yongin-si, KR;
Yeonhwa Lee, 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);
U.S. Cl.
CPC ...
H01M 2/1241 (2013.01); H01M 2/046 (2013.01); H01M 2/0413 (2013.01);
Abstract
A secondary battery includes: an electrode assembly; a case accommodating the electrode assembly; and a cap assembly coupled to a top portion of the case. The cap assembly includes a safety vent and a cap-up. The cap-up has grooves on a surface thereof. The safety vent includes a downwardly protruding portion, is under the cap-up, and is electrically connected to the electrode assembly at the protruding portion.