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Ce6-xHoxMoO15-δ(0.0≤x≤1.2) was synthesized by modified sol-gel method and characterized by diffe-rential X-ray diffraction(XRD),Raman,and X-ray photoelectron spectroscopy(XPS) methods.The oxide ionic con-ductivity of the samples was investigated by AC impedance spectroscopy.It shows that all the samples are single phase with a cubic fluorite structure.The solid solution Ce6-xHoxMoO15-δ(x=0.6) was detected to be the best con-ducting phase with the highest conductivity(σt=1.05×10-2 S/cm) at 800 oC and the lowest activation energy(Ea=1.09 eV).These properties suggest that this kind of material has a potential application in intermediate-low temperature solid oxide fuel cells.
Ce6-xHoxMoO15- δ (0.0≤x≤1.2) was synthesized by modified sol-gel method and characterized by diffe-rential X-ray diffraction (XRD), Raman, and X-ray photoelectron spectroscopy con-ductivity of the samples was investigated by AC impedance spectroscopy. It shows that all the samples are single phase with a cubic fluorite structure. The solid solution Ce6-xHoxMoO15- δ (x = 0.6) was detected to be the best con-ducting phase with the highest conductivity (σt = 1.05 × 10-2 S / cm) at 800 oC and the lowest activation energy (Ea = 1.09 eV). These properties suggest that this kind of material has a potential application in intermediate-low temperature solid oxide fuel cells.