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:
Dec. 19, 2023
Filed:
Dec. 07, 2020
Lg Chem, Ltd., Seoul, KR;
Sung-Ryul Park, Daejeon, KR;
Won-Seok Chang, Daejeon, KR;
Abstract
Disclosed is a battery cell, which includes an electrode assembly, a pair of electrode leads electrically connected to the electrode assembly, a battery case configured to accommodate the electrode assembly and expose a portion of the pair of electrode leads to the outside, an electrolyte injection hole formed in the battery case and connectable to an electrolyte injecting device that injects an electrolyte in a vacuum state so that the electrolyte is injected into the battery case, and an injection hole cap configured to cover the electrolyte injection hole and mounted to the electrolyte injection hole so as to be detachable from the electrolyte injection hole by user manipulation.