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:
Jul. 05, 2011
Filed:
Sep. 22, 2005
Yang T. Cheng, Rochester Hills, MI (US);
Michael J. Lukitsch, Marysville, MI (US);
William R. Rodgers, Bloomfield Township, MI (US);
Paula D. Fasulo, Eastpointe, MI (US);
Yang T. Cheng, Rochester Hills, MI (US);
Michael J. Lukitsch, Marysville, MI (US);
William R. Rodgers, Bloomfield Township, MI (US);
Paula D. Fasulo, Eastpointe, MI (US);
GM Global Technology Operations LLC, Detroit, MI (US);
Abstract
A composite electrolyte membrane for a fuel cell is disclosed. The membrane is formed of a polymer having layers of a clay-based cation exchange material. The substrate comprises an electrode formed from a solution that has an exfoliated, inorganic, sodium-based cation exchange material, an ionically conductive polymer-based material, and a solvent-dispersant.