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UNDERSTANDING OF OXYGEN TRANSPORT MECHANISMS THROUGH DENSE PEROVSKITE CERAMIC MEMBRANES


GUIRONNET LAURE 1, 3, GEFFROY PIERRE-MARIE 1, RICHET NICOLAS 2, CHARTIER THIERRY 1
1. Laboratoire SPCTS-CNRS UMR7315, 12 rue Atlantis, 87068 Limoges, France
2. Air Liquide CRCD, BP126, 78354 Jouy Josas, France
3. ADEME, BP90406 – 20 rue du GrĂ©sillĂ©, 49004 Angers, France

Issue:

PLUMEE, Number 1, Volume V

Section:

Issue No.1 - Volume 5 (2015)

Abstract:

For last decades, important research activities have led to the improvement of electrochemical devices for energy production. Our last researches lead us to the development of a specific experimental setup which allows the determination of the oxygen activity of the membrane surfaces and in gas. These measurements of oxygen activities at the membranes surfaces give us essential data for the better understanding of the membrane surface oxygen exchange mechanisms corresponding to the determining rate step of oxygen transport through the dense ceramic membranes.

Keywords:

ceramic membrane, perovskite, mixed conductor, oxygen semi-permeation, surface exchange mechanism, bulk diffusion, coating, synthesis.

Code [ID]:

PLUMEE201501V05S01A0010 [0004249]

Full paper:

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