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Recycling of used perfluorosulfonic acid membranes

United States Patent

August 14, 2007
View the Complete Patent at the US Patent & Trademark Office
A method for recovering and recycling catalyst coated fuel cell membranes includes dissolving the used membranes in water and solvent, heating the dissolved membranes under pressure and separating the components. Active membranes are produced from the recycled materials.
Grot; Stephen (Middletown, DE), Grot; Walther (Chadds Ford, PA)
Ion Power, Inc. (New Castle, DE)
11/ 089,547
March 24, 2005
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The work that led to this disclosure was supported, at least in part, by Grant No. DE-FC36-03GO13105 from the United States Department of Energy. The Government has certain rights in inventions disclosed herein.