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Chemically stable ceramic-metal composite membrane for hydrogen separation

United States Patent

9,687,775
June 27, 2017
View the Complete Patent at the US Patent & Trademark Office
A hydrogen permeation membrane is provided that can include a metal and a ceramic material mixed together. The metal can be Ni, Zr, Nb, Ta, Y, Pd, Fe, Cr, Co, V, or combinations thereof, and the ceramic material can have the formula: BaZr.sub.1-x-yY.sub.xT.sub.yO.sub.3-.delta. where 0.ltoreq.x.ltoreq.0.5, 0.ltoreq.y.ltoreq.0.5, (x+y)>0; 0.ltoreq..delta..ltoreq.0.5, and T is Sc, Ti, Nb, Ta, Mo, Mn, Fe, Co, Ni, Cu, Zn, Ga, In, Sn, or combinations thereof. A method of forming such a membrane is also provided. A method is also provided for extracting hydrogen from a feed stream.
Chen; Fanglin (Irmo, SC), Fang; Shumin (Columbia, SC), Brinkman; Kyle S. (Aiken, SC)
University of South Carolina (Columbia, SC), Clemson University Research Foundation (Clemson, SC)
14/ 678,372
20150314232
April 3, 2015
GOVERNMENT SUPPORT CLAUSE This invention was made with government support under DE-SC0001061 awarded by the US Department of Energy, 00102125 awarded by Battelle Energy Alliance, LLC/US Department of Energy, and under B139006 awarded by the SC Universities Research & Education Foundation/SRNS/US Department of Energy. The government has certain rights in the invention.