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. 22, 2020
Filed:
Nov. 02, 2017
Lg Chem, Ltd., Seoul, KR;
Hyo-Jin Park, Daejeon, KR;
Myung-Hyun Kim, Daejeon, KR;
Joon-Sung Bae, Daejeon, KR;
Eui-Kyung Lee, Daejeon, KR;
Jin-Woo Heo, Daejeon, KR;
Suk-Hyun Hong, Daejeon, KR;
Abstract
A battery cell degassing apparatus for degassing a battery cell having a gas pocket, which includes a chamber cover to which the battery cell is detachably mounted, a vacuum chamber coupled to the chamber cover and configured to accommodate the battery cell in a vacuum environment, the chamber cover being slidable in a horizontal direction with respect to the vacuum chamber, a piercing unit provided at the vacuum chamber to pierce a part of the gas pocket, and a pressing unit provided at the vacuum chamber to be spaced apart from the piercing unit and configured to flatten an upper surface and a lower surface of the battery cell and to discharge a gas inside the battery cell to the outside of the battery cell is provided.