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Solid state proton and electron mediating membrane and use in catalytic membrane reactors

United States Patent

August 28, 2001
View the Complete Patent at the US Patent & Trademark Office
Mixed electron- and proton-conducting metal oxide materials are provided. These materials are useful in fabrication of membranes for use in catalytic membrane reactions, particularly for promoting dehydrogenation of hydrocarbons, oligomerization of hydrocarbons and for the decomposition of hydrogen-containing gases. Membrane materials are perovskite compounds of the formula: where A=Ca, Sr, or Ba; B=Ce, Tb, Pr or Th; B'=Ti, V, Cr, Mn, Fe, Co, Ni or Cu; 0.2.ltoreq.x.ltoreq.0.5, and y is a number sufficient to neutralize the charge in the mixed metal oxide material.
White; James H. (Boulder, CO), Schwartz; Michael (Boulder, CO), Sammells; Anthony F. (Boulder, CO)
Eltron Research, Inc. (Boulder, CO)
09/ 457,884
December 10, 1999
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with Government support under Contract No. DE-FG0290ER81165, awarded by the Department of Energy and under Contract No. 111-9260336, awarded by the National Science Foundation. The Government has certain rights in the invention.