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:
Oct. 18, 2022
Filed:
Aug. 11, 2020
SK Innovation Co., Ltd., Seoul, KR;
Yang Kyu Choi, Daejeon, KR;
Seok Min Kim, Daejeon, KR;
Myeong Hwan Ma, Daejeon, KR;
Seo Roh Rhee, Daejeon, KR;
Hae Ryong Jeon, Daejeon, KR;
Seung Hoon Ju, Daejeon, KR;
Dong Ha Hwang, Daejeon, KR;
SK Innovation Co., Ltd., Seoul, KR;
Abstract
A secondary battery may include a cell body member accommodating an electrode assembly therein, including three sealing sides and provided adjacently to a cooling plate member; and wherein the cell body member, in contact with a heat conductive member on a lower surface thereof comprises a surface area-increasing groove formed to be concave in the lower surface thereof and the lower surface is a region in which a sealing portion is not formed, wherein the heat conductive member provided in at least a portion between the cell body member and the cooling plate member to form a heat path for transferring heat from the cell body member to the cooling plate member, wherein the surface area-increasing groove includes a curved-region in a cross section in a thickness direction of the cell body member, wherein the curved-region is in contact with the heat conductive member.