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. 11, 2019
Filed:
Apr. 02, 2015
Samsung Sdi Co., Ltd., Yongin-si, Gyeonggi-do, KR;
Ju-Hee Sohn, Yongin-si, KR;
Naum Feygenson, Yongin-si, KR;
Jun-Won Suh, Yongin-si, KR;
Jeong-Doo Yi, Yongin-si, KR;
Hyun-Hwa Song, Yongin-si, KR;
Bong-Kyoung Park, Yongin-si, KR;
Hye-Jung Lee, Yongin-si, KR;
Samsung SDI Co., Ltd., Yongin-Si, Gyeonggi-do, KR;
Abstract
A flexible secondary battery includes an electrode assembly, a first external cover that is located on a first surface of the electrode assembly, and a second external cover that is located on a second surface of the electrode assembly, the second external cover and the first external cover including a sealing portion where edges of the first external cover and the second external cover are attached to each other to seal the electrode assembly. At least one of the first external cover and the second external cover includes a stress-relief pattern in a center portion.