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Multilayered composite proton exchange membrane and a process for manufacturing the same

United States Patent

9,023,553
May 5, 2015
View the Complete Patent at the US Patent & Trademark Office
A multilayered membrane for use with fuel cells and related applications. The multilayered membrane includes a carrier film, at least one layer of an undoped conductive polymer electrolyte material applied onto the carrier film, and at least one layer of a conductive polymer electrolyte material applied onto the adjacent layer of polymer electrolyte material. Each layer of conductive polymer electrolyte material is doped with a plurality of nanoparticles. Each layer of undoped electrolyte material and doped electrolyte material may be applied in an alternating configuration, or alternatively, adjacent layers of doped conductive polymer electrolyte material is employed. The process for producing a multilayered composite membrane includes providing a carrier substrate and solution casting a layer of undoped conductive polymer electrolyte material and a layer of conductive polymer electrolyte material doped with nanoparticles in an alternating arrangement or in an arrangement where doped layers are adjacent to one another.
Santurri; Pasco R. (Mentor, OH), Duvall; James H. (Reno, NV), Katona; Denise M. (Perry, OH), Mausar; Joseph T. (Mentor, OH), Decker; Berryinne (Mayfield Heights, OH)
Chemsultants International, Inc. (Mentor, OH)
12/ 231,501
20090176141
September 3, 2008
STATEMENT OF GOVERNMENTAL SUPPORT The invention described and claimed herein was made in part utilizing funds supplied by the U.S. Department of Energy under Contract No. DE-DG36-06GO86043. The government has certain rights in this invention.