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.

Date of Patent:
Feb. 12, 2019

Filed:

Jun. 05, 2015
Applicant:

Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;

Inventors:

Sang-Won Byun, Yongin-si, KR;

Seok-Yoon Yoo, Yongin-si, KR;

Chi-Young Lee, Yongin-si, KR;

Kwan-Hyung Lee, Yongin-si, KR;

Assignee:

Samsung SDI Co., Ltd., Yongin-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/04 (2006.01); H01M 2/34 (2006.01);
U.S. Cl.
CPC ...
H01M 2/345 (2013.01); H01M 2/0486 (2013.01); H01M 2200/20 (2013.01);
Abstract

A rechargeable battery includes: an electrode assembly including a first electrode and a second electrode; a case accommodating the electrode assembly; a first terminal electrically coupled to the first electrode, and a second terminal electrically coupled to the second electrode; a cap plate combined to the case and having a short-circuit hole formed therein; a membrane fixed to the cap plate and arranged in the short-circuit hole, the membrane being deformable to short-circuit the first electrode and the second electrode; and a short-circuit protrusion electrically coupled to the second electrode and arranged above the membrane to protrude theretoward, the short-circuit protrusion being arranged toward a side from a center of the short-circuit hole.


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