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:
Oct. 29, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Assignee:
LG ENERGY SOLUTION, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/46 (2021.01); C08F 214/22 (2006.01); H01M 10/0525 (2010.01); H01M 50/426 (2021.01); H01M 50/443 (2021.01); H01M 50/446 (2021.01); H01M 50/449 (2021.01);
U.S. Cl.
CPC ...
H01M 50/449 (2021.01); C08F 214/22 (2013.01); H01M 10/0525 (2013.01); H01M 50/426 (2021.01); H01M 50/443 (2021.01); H01M 50/446 (2021.01); H01M 50/461 (2021.01);
Abstract
A separator for an electrochemical device, including a porous polymer substrate and an inorganic coating layer formed on at least one surface of the porous polymer substrate. The inorganic coating layer includes inorganic particles and a binder resin. The binder resin includes a polyvinylidene fluoride (PVdF)-based polymer having a main chain, and at least one hydrogen atom in the main chain of the PVdF-based polymer is substituted with an acrylic compound-derived functional group.