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. 05, 2018
Filed:
Dec. 11, 2014
Lg Chem, Ltd., Seoul, KR;
LG CHEM, LTD., Seoul, KR;
Abstract
A battery cell is provided. The battery cell includes a battery case, an electrode assembly located in the battery case, the electrode assembly comprising a cathode, an anode, and a separator disposed between the cathode and the anode, an electrolyte present in the battery case, the battery case being sealed at a perimeter thereof, and a frame coupled to the perimeter of the battery case, the frame having a venting guiding portion at the perimeter of the battery case, such that sealing of the battery case is released through the venting guiding portion when internal pressure of the battery cell increases, the venting guiding portion comprising a reduction in the amount of material of the frame in a predetermined location at the perimeter of the battery case. A battery cell module is also provided.