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:
Jun. 23, 2026
Filed:
Aug. 19, 2021
Lg Energy Solution, Ltd., Seoul, KR;
LG Energy Solution, Ltd., Seoul, KR;
Abstract
The present invention relates to a battery cell with improved safety and a method of manufacturing the same, and more particularly a battery cell configured such that an electrode assembly including a positive electrode () and a negative electrode () located so as to be opposite each other in the state in which a separator () is interposed therebetween is received in a cell case (), wherein the positive electrode () includes a positive electrode plate () and a positive electrode active material layer () provided on one surface and/or the other surface of the positive electrode plate (), the negative electrode () includes a negative electrode plate () and a negative electrode active material layer () provided on one surface and/or the other surface of the negative electrode plate (), the positive electrode active material layer () includes a first flat portion () and a first inclined portion () provided at each of opposite sides of the first flat portion (), and the negative electrode active material layer () includes a second flat portion () and a second inclined portion () provided at each of opposite sides of the second flat portion () and a method of manufacturing the same.