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:
Mar. 18, 2025
Filed:
Sep. 02, 2020
Applicant:
Lg Energy Solution, Ltd., Seoul, KR;
Inventors:
Kyung Ryun Ka, Daejeon, KR;
Sang Joon Lee, Daejeon, KR;
In Hyouk Sung, Daejeon, KR;
Je An Lee, Daejeon, KR;
Assignee:
LG ENERGY SOLUTION, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/42 (2021.01); C09D 133/08 (2006.01); H01M 50/446 (2021.01); H01M 50/449 (2021.01);
U.S. Cl.
CPC ...
H01M 50/42 (2021.01); C09D 133/08 (2013.01); H01M 50/446 (2021.01); H01M 50/449 (2021.01);
Abstract
A separator for a secondary battery having a separator substrate and a coating layer formed on the separator substrate. The coating layer is on at least one surface of the separator substrate. The coating layer comprises an acrylate-based binder and an additive. The additive is a fluorine-based non-ionic surfactant, and provides a separator for a secondary battery with significantly improved electrolyte impregnation rate.