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Preparation of thin and highly stable Pd/Ag composite membranes and simulative analysis of transfer resistance for hydrogen separation by Kaihu Hou; Ronald Hughes is a Engineering article available to read on EtoBox.
What is Preparation of thin and highly stable Pd/Ag composite membranes and simulative analysis of transfer resistance for hydrogen separation about?
Composite Pd/Ag membranes supported on an ␣-alumina substrate have been prepared by sequential electroless plating and the morphology of the membranes has been examined by SEM and XRD analysis. SEM pictures revealed that the Pd/Ag film was of columnar form perpendicular to the substrate. Homogeneous alloy films of Pd/Ag were obtained by annealing the separate Pd and Ag deposited layers at temperatures higher than 600 • C in a hydrogen atmosphere. Hydrogen fluxes of up to 0.35 mol/(m 2 s) and hydrogen/nitrogen selectivities of 4500 were obtained and a long-term temperature cycling test showed no deterioration in membrane performance. A simulative analysis was carried out to investigate the effect of boundary layer and the distribution of hydrogen transfer resistance between the boundary layer, the Pd/Ag film and the substrate.
Who reads Preparation of thin and highly stable Pd/Ag composite membranes and simulative analysis of transfer resistance for hydrogen separation?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Kaihu Hou; Ronald Hughes
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0376-7388)
- Published
- 2003
- Language
- EN
- Field
- Engineering (Physical Sciences)