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:
Feb. 18, 2025
Filed:
Sep. 08, 2021
Lg Energy Solution, Ltd., Seoul, KR;
Min Su Cho, Daejeon, KR;
Joo Hwan Sung, Daejeon, KR;
Yong Gon Lee, Daejeon, KR;
Je Jun Lee, Daejeon, KR;
Jae Won Lim, Daejeon, KR;
Geon Woo Min, Daejeon, KR;
Min Gyu Kim, Daejeon, KR;
Sang Hak Chae, Daejeon, KR;
LG ENERGY SOLUTION, LTD., Seoul, KR;
Abstract
A button-type secondary battery according to the present disclosure includes: an electrode assembly; a lower can configured to accommodate the electrode assembly; an upper can coupled to an opening of the lower can; a gasket configured to insulate a coupling portion between the lower can and the upper can; and a center part provided at a core portion of the electrode assembly, wherein the center part includes: a center pin inserted into the core portion of the electrode assembly; and an upper plate provided with an upper cover surface provided on an upper end of the center pin to protect an upper portion of the electrode assembly, wherein an edge of the upper cover surface is provided to be supported on an inner wall of the lower can.