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. 09, 2022
Filed:
Oct. 08, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Assignee:
LG ENERGY SOLUTION, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/446 (2021.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 50/446 (2021.01); H01M 10/0525 (2013.01); H01M 2004/028 (2013.01);
Abstract
A separator in which at least one side of a porous substrate has thereon a coating layer containing a partially reduced graphene oxide with a sheet shape and a lithium ion conductivity polymer, which can solve the problem caused by the lithium polysulfide which occurs in the conventional lithium secondary battery, and a lithium secondary battery.