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:
Jul. 19, 2022
Filed:
Jul. 13, 2018
Pouch-shaped battery case comprising crack prevention structure and method of manufacturing the same
Lg Chem, Ltd., Seoul, KR;
Abstract
Disclosed are a pouch-shaped battery case including an upper case and a lower case sealed to one another, the upper case and the lower case made of a laminate sheet comprising a metal layer and a resin layer, at least one of the upper case and the lower case having a concave unit for receiving an electrode assembly, the upper case and the lower case being sealed at all corners thereof located along the outer edge of the concave unit, a middle of a first side surface of each of the upper case and the lower case having a non-sealed portion for gas discharge, the first side surface being adjacent to a second side surface of each of the upper case and the lower case through which an electrode terminal extends, a method of manufacturing the pouch-shaped battery case, and a sealing block for manufacturing the pouch-shaped battery case.