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United States Patent Application

View the Complete Application at the US Patent & Trademark Office
A composite oxygen transport membrane having a dense layer, a porous support layer and an intermediate porous layer located between the dense layer and the porous support layer. Both the dense layer and the intermediate porous layer are formed from an ionic conductive material to conduct oxygen ions and an electrically conductive material to conduct electrons. The porous support layer has a high permeability, high porosity, and a microstructure exhibiting substantially uniform pore size distribution as a result of using PMMA pore forming materials or a bi-modal particle size distribution of the porous support layer materials. Catalyst particles selected to promote oxidation of a combustible substance are located in the intermediate porous layer and in the porous support adjacent to the intermediate porous layer. The catalyst particles can be formed by wicking a solution of catalyst precursors through the porous support toward the intermediate porous layer.
Lane, Jonathan A. (Amherst, NY), Wilson, Jamie R. (Maynard, MA), Christie, Gervase Maxwell (Amherst, NY)
13/ 672,975
November 9, 2012
U.S. GOVERNMENT RIGHTS [0002] The invention disclosed and claimed herein was made with United States Government support under Cooperative Agreement number DE-FC26-07NT43088 awarded by the U.S. Department of Energy. The United States Government has certain rights in this invention.