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:
May. 06, 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
Disclosed herein is a secondary battery having a vent member. The secondary battery may include an electrode assembly to which an electrode lead is attached, a case including an accommodation portion. The accommodation portion may be defined by a bent side and a sealing portion. The accommodation portion may be configured to receive the electrode assembly and seal the electrode assembly therein. The sealing portion may contain a sealant resin to form a seal around the electrode assembly. The sealing portion may include an extension adjacent to and extending from the bent side. The vent member may be disposed at least partially in the extension. The vent member may include a vent resin having a lower melting point than the sealant resin.