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. 04, 2020
Filed:
Jan. 09, 2014
Lg Chem, Ltd., Seoul, KR;
LG CHEM, LTD., Seoul, KR;
Abstract
A battery cell includes an electrode assembly mounted in a battery case. The electrode assembly includes positive electrodes, negative electrodes, and separators, wherein the separators are disposed respectively between the positive electrodes and the negative electrodes. The electrode assembly is provided with a deformation part, and has a sectional width of which is discontinuously or continuously decreased, and is formed at a portion of an outer edge of the electrode assembly. The battery case includes two or more case members, each made of a metal sheet, the case members being coupled to each other in a state in which the electrode assembly is mounted in the case members, at least one of the case members having a receiving part with an internal shape corresponding to the deformation part of the electrode assembly.