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:
Aug. 02, 2022
Filed:
Dec. 03, 2019
Applicant:
SK Innovation Co., Ltd., Seoul, KR;
Inventor:
Hyo Sang Kim, Daejeon, KR;
Assignee:
SK INNOVATION CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/60 (2021.01); H01M 50/73 (2021.01); H01M 10/04 (2006.01); H01M 10/058 (2010.01); H01M 50/30 (2021.01);
U.S. Cl.
CPC ...
H01M 50/73 (2021.01); H01M 10/049 (2013.01); H01M 10/058 (2013.01); H01M 50/394 (2021.01); H01M 50/60 (2021.01);
Abstract
Embodiments of the present invention provides a pouch film. In manufacturing a secondary battery, a gas may be generated when reacting an electrode assembly with an electrolyte. After the generated gas is discharged, the pouch film may be sealed. In this case, a deformation part may be formed in the gas chamber section which serves as a passage for discharging the gas, specifically, in the gas chamber passage, thus to prevent the electrolyte from flowing backward and maintain shapes of the gas chamber inlet during injecting the electrolyte.