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:
Aug. 12, 2025
Filed:
Mar. 08, 2022
Lg Energy Solution, Ltd., Seoul, KR;
Mingi Jeong, Daejeon, KR;
Joo Hwan Sung, Daejeon, KR;
Han Sol Park, Daejeon, KR;
Hyeon Min Song, Daejeon, KR;
Abstract
A secondary battery includes an electrode assembly, and a battery case accommodating the battery case together with an electrolytic solution. The battery case includes a metal. The battery case is opened in its upper part; and a cap assembly that is coupled to the opened upper part of the can body. The can body includes a beading part that is bent inward at the upper part of the housing part, and a crimping part that is bent in a direction in which the cap assembly is located at an upper part of the beading part. At least one of the bottom part or the crimping part of the can body has a metal member inserted therein. The metal member has a lower melting point than the metal of the can body.