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. 18, 2025
Filed:
Apr. 13, 2022
Lg Energy Solution, Ltd., Seoul, KR;
Sang-Hun Kim, Daejeon, KR;
Dae-Woong Song, 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, a case including an accommodation portion to receive the electrode assembly, an electrode lead attached to the electrode assembly and a vent member. The case may include a sealing portion to seal the electrode assembly therein. The sealing portion may include a sealant resin to form a seal around the electrode assembly. The electrode lead may extend away from the case along a first direction. The sealing portion may include an inclined sealing portion adjacent the electrode lead. The inclined sealing portion may extend along a second direction. The second direction may be non-orthogonal to the first direction. The vent member may be disposed in the inclined sealing portion. The vent member may include a vent resin having a lower melting point than the sealant resin.