Preparation and Oxygen Permeability of BaCo_0.7Fe_0.2Nb_0.1O_3-δ Membrane Modified by Ce_0.8Y_0.2O_2-δ Porous Layer on the Air Side

Figure 6

SEM images of ((a)–(c)) YDC porous layer at different magnification and (d) the cross-section of BCFN-YDC.

(a)

(b)

(c)

(d)