C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 13/02 (2006.01) B01D 71/02 (2006.01) B01J 35/00 (2006.01)
Patent
CA 2225871
A solid electrolyte ion transport membrane comprising a matrix material which conducts at least one type of ion such as oxygen ions, and at least one constituent which is physically distinguishable from the matrix material and which enhances the mechanical properties, the catalytic properties and/or the sintering behavior of the matrix material. The constituent is present in a manner which precludes continuous electronic conductivity through the constituent across the membrane. A porous coating preferably is disposed on the membrane to enhance the rate of surface reactions involving the gaseous species.
Cette invention concerne une membrane transporteurse d'ions à électrolyte solide comprenant une matrice conductrice d'au moins un type d'ions, ions d'oxygène par exemple, et au moins un élément constitutif différenciable de la matrice en vertu de ses caractéristiques physiques et qui rehausse les propriétés mécaniques, catalytiques et/ou de tenue au frittage de la matrice. L'élément constitutif est disposé d'une manière qui empêche le conductivité électronique continue à la grandeur de la membrane. De préférence, un revêtement poreux est déposé sur la membrane pour accroître la vietese de réactions en surface concernant les espèces gazeuses.
Chen Chieh Cheng
Gottzmann Christian Friedrich
Prasad Ravi
Praxair Technology Inc.
Sim & Mcburney
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