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. 22, 2022
Filed:
May. 16, 2019
Lg Chem, Ltd., Seoul, KR;
Tai Joon Seo, Daejeon, KR;
Woo Yong Lee, Daejeon, KR;
Abstract
Disclosed herein is a battery cell including an electrode assembly having a positive electrode, a negative electrode, and a separator interposed therebetween, a battery case including an upper case and a lower case, corresponding portions of outer edges of the upper case and the lower case being thermally fused to one another in a state in which the electrode assembly is received in a reception unit formed by the upper case and the lower case such that the battery case has a sealed portion extending around the reception unit, an electrode lead electrically connected to the electrode assembly, the electrode lead protruding outwards from the battery case through the sealed portion in the state in which insulative films are attached to opposite surfaces of the electrode lead at the sealed portion, and a shape retention member interposed between the outer edges of the upper case and the lower case.