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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.:

US 11728500 B1

PDFFull Text
Date of Patent:
Aug. 15, 2023

Filed:

May. 28, 2020

Polymer electrolyte membrane, membrane electrode assembly, polymer electrolyte fuel cell, and process for producing polymer electrolyte membrane

Applicant:

Asahi Kasei Kabushiki Kaisha, Tokyo, JP;

Inventors:

Yuichi Inoue, Tokyo, JP;

Hitoshi Shobukawa, Tokyo, JP;

Naoki Sakamoto, Tokyo, JP;

Akihiro Kurima, Tokyo, JP;

Assignee:

ASAHI KASEI KABUSHIKI KAISHA, Tokyo, JP;

Attorney:

Greenblum & Bernstein P.L.C.

Primary Examiner:

Jonathan Crepeau

Int. Cl.
CPC ...
H01M 8/1067 (2016.01); H01M 8/1004 (2016.01); H01M 8/1039 (2016.01); H01M 8/1048 (2016.01); H01M 8/1046 (2016.01); H01M 8/1081 (2016.01); H01M 8/10 (2016.01);
U.S. Cl.
CPC ...
H01M 8/1067 (2013.01); H01M 8/1004 (2013.01); H01M 8/1039 (2013.01); H01M 8/1046 (2013.01); H01M 8/1048 (2013.01); H01M 8/1081 (2013.01); H01M 2008/1095 (2013.01); H01M 2300/0082 (2013.01);
Abstract

Provided is a polymer electrolyte membrane comprising: (a) a polyelectrolyte having an ion exchange capacity of from 0.5 to 3.0 meq/g; and (b) at least one scandium compound selected from the group consisting of scandium oxide, scandium acetate, scandium sulfate, scandium nitrate, and scandium carbonate, wherein a polyethylene glycol (PEG)-derived compound in the polymer electrolyte membrane has a total content of 10 ppm or less.

Find Patent Forward Citations

Inoue, Yuichi. (2023). Polymer electrolyte membrane, membrane electrode assembly, polymer electrolyte fuel cell, and process for producing polymer electrolyte membrane (U.S. Patent No. 11728500). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11728500

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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