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. 30, 2025
Filed:
May. 12, 2021
Lg Energy Solution, Ltd., Seoul, KR;
In Gu An, Daejeon, KR;
Ki Woong Kim, Daejeon, KR;
Seok Je Kim, Daejeon, KR;
Hyoung Sik Choi, Daejeon, KR;
Yun Pyo Oh, Daejeon, KR;
LG Energy Solution, Ltd., Seoul, KR;
Abstract
A secondary battery according to the present invention comprises a pouch comprising an accommodation part accommodate the electrode assembly, a gas pocket part collecting a gas generated in the accommodation part, an edge sealing part provided along each of edge surfaces of the accommodation part and the gas pocket part, and a corner sealing part provided on each of both ends of a boundary between the accommodation part and the gas pocket part to support the electrode assembly accommodated in the accommodation part, wherein the corner sealing part comprises a full-width support surface supporting one end in a full-width direction of the electrode assembly, which faces the gas pocket part, and a full-length support surface provided between the full-width support surface and the edge sealing part, having a width greater than that of the full-width support surface, and supporting one end in a full-length direction of the electrode assembly, which faces the edge sealing part, and the full-length support surface, the full-width support surface, and the edge sealing part are integrally connected to each other.