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:
Apr. 19, 2022
Filed:
Apr. 03, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Assignee:
LG CHEM, LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/18 (2006.01); H01M 8/1053 (2016.01); H01M 8/10 (2016.01); H01M 8/20 (2006.01); H01M 8/1067 (2016.01);
U.S. Cl.
CPC ...
H01M 8/188 (2013.01); H01M 8/1053 (2013.01); H01M 8/1067 (2013.01); H01M 8/20 (2013.01); H01M 2008/1095 (2013.01); H01M 2300/0094 (2013.01);
Abstract
An ion exchange membrane including a first ion exchange resin layer with a first and a second surface; a second ion exchange resin layer on the first surface of the first ion exchange resin layer; and a third ion exchange resin layer on the second surface of the first ion exchange resin layer, wherein the second ion exchange resin layer and the third ion exchange resin layer each independently include an ionomer having a higher equivalent weight (EW) than an ionomer of the first ion exchange resin layer.