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:
Nov. 03, 2026
Filed:
Apr. 15, 2022
Lg Energy Solution, Ltd., Seoul, KR;
Soo-Ji Hwang, Daejeon, KR;
Sang-Hun Kim, Daejeon, KR;
Min-Hyeong Kang, Daejeon, KR;
Dae-Woong Song, Daejeon, KR;
Hyung-Kyun Yu, Daejeon, KR;
Hun-Hee Lim, Daejeon, KR;
LG Energy Solution, Ltd., Seoul, KR;
Abstract
Disclosed herein is a secondary battery, which includes an electrode assembly; an electrode lead attached to the electrode assembly; a case configured to accommodate the electrode assembly therein; a lead film formed 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 having a structure of three or more layers, wherein the vent member contains a linear low-density polyethylene having a comonomer with a carbon number of 6 or more in outermost layers and contains a resin having a higher melting point than the linear low-density polyethylene having a comonomer with a carbon number of 6 or more in a middle layer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile