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:
Dec. 02, 2025
Filed:
Apr. 13, 2022
Lg Energy Solution, Ltd., Seoul, KR;
Dae-Woong Song, Daejeon, KR;
Sang-Hun Kim, Daejeon, KR;
Min-Hyeong Kang, Daejeon, KR;
Hyung-Kyun Yu, Daejeon, KR;
Hun-Hee Lim, Daejeon, KR;
Soo-Ji Hwang, Daejeon, KR;
LG Energy Solution, Ltd., Seoul, KR;
Abstract
The secondary battery includes an electrode assembly to which an electrode lead is attached; a case configured to receive the electrode assembly therein; a lead film configured to surround a part of an outer surface of the electrode lead and interposed between the electrode lead and the case; a vent region formed in at least a part of the case; and a vent member inserted into the vent region and configured to contain linear low-density polyethylene having a comonomer with a carbon number of 6 or more.