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NiO and Ce_ 0.8Sm_ 0.2O_ 1.9 were synthesized by the combination of sol gel and citric acid-nitrate low temperature self-propagating combustion method. Anode precursors which include home-made NiO and Ce_ 0.8Sm_ 0.2O_ 1.9 were prepared by different NiO content and fabrication condition. The anode precursors with pure hydrogen at 820 ℃ for 2.5 h were reduced, The electrical conductivity was tested, and the effect of microstructure on electrical conductivity of Ni-Ce_ 0.8Sm_ 0.2O_ 1.9 composite anodes was investigated. The results show that the anode electrical conductivity depends strongly on the anode microstructure that is dramatically affected by Ni content and fabrication condition.
NiO and Ce_ 0.8Sm_0.2O_ 1.9 were synthesized by the combination of sol gel and citric acid-nitrate low temperature self-propagating combustion method. Anode precursors which include home-made NiO and Ce_ 0.8Sm_ 0.2O_ 1.9 were prepared by different NiO content The led precursors with pure hydrogen at 820 ° C for 2.5 h were reduced, The electrical conductivity was tested, and the effect of microstructure on electrical conductivity of Ni-Ce_0.8Sm_0.2O_ 1.9 composite anodes was investigated. The results show that the anode electrical conductivity depends strongly on the anode microstructure that is dramatically affected by Ni content and fabrication condition.