Oxygen permeation and stability of Mo-substituted BSCF membranes

Gasparyan, Hripsime, Claridge, John and Rosseinsky, Matthew (2015) Oxygen permeation and stability of Mo-substituted BSCF membranes. [Data Collection]

Collection description

The oxygen permeation performance of Ba0.5Sr0.5Co0.8-xFe0.2-yMox+yO3-δ (x+y=0; 0.025; 0.05; 0.25; 0.375 for Co/Fe=4 and x+y=0.125 for Co/Fe=2) ceramic perovskite materials was studied. The effects of the composition, structure, morphology and membrane thickness on permeation flux were investigated. We demonstrate how Mo substitution significantly improves the stability of BSCF membranes not only under static but also dynamic conditions by depressing the degradation rates at 750 oC. The highest permeation flux among the studied membranes was measured for a 1 mm thick Ba0.5Sr0.5Co0.78Fe0.195Mo0.025O3-δ as 1.55 ml min-1 cm-2 at 950 oC which is very close to the flux measured for BSCF (1.65 ml min-1 cm-2) under the same conditions.

Keywords: Oxygen permeation, MIEC membranes, perovskite, BSCF.
Divisions: Faculty of Science and Engineering > School of Physical Sciences
Depositing User: Hripsime Gasparyan
Date Deposited: 08 Jul 2015 07:01
Last Modified: 08 Jul 2015 09:52
URI: http://datacat.liverpool.ac.uk/id/eprint/48

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