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The transport properties of La 0.1 Sr 0.9 Co 0.8 Fe 0.2 O 3−δ (LSCF1982) were measured by oxygen permeation measurements (850≤T/°C≤950, and1≤pO 2 /atm≤10 −4 ) and the chemical-diffusion coefficient was extracted from DC conductivity relaxation measurements. The maximum oxygen permeation flux was 1.17cm 3 /mincm 2 at air/He condition...
A novel oxygen separation membrane using oxygen ions and a mixed oxygen ion-electron conducting CGO-GBCO (Ce 0.8 Gd 0.2 O 2−δ –GdBaCo 2 O 5+δ ) dual phase composite has been proposed. The transport and surface exchange properties of the CGO-GBCO composite membrane are investigated as a function of oxygen partial pressure (OPP) over the OPP range of 10 −4...
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