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:
Sep. 15, 2026
Filed:
Dec. 19, 2022
SK on Co., Ltd., Seoul, KR;
Dong Jin Kim, Daejeon, KR;
Ik Sang Jo, Daejeon, KR;
SK On Co., Ltd., Seoul, KR;
Abstract
Proposed is a secondary battery assembly. A secondary battery assembly according to an embodiment includes a secondary battery having, at an end or each end thereof, an electrode tab including a tab sealing part, and a side sealing part bent on a side surface thereof to a predetermined length, and a venting delay device including a protrusion formed to be spaced apart and face the bent side sealing part. According to the embodiment, it is possible to effectively prevent and delay breakage of a fusion portion of a sealing part of a secondary battery from occurring due to pressure caused by discharge of gas generated inside the secondary battery.