Abstract
The activity of transition metals (Cr and V) infiltrated Ni/Sm-doped ceria (SDC) cermets anodes for NH3 oxidation was investigated at temperature of 973 to 1173 K. The 3 at.% addition of Cr and V with respect to the total metal composition improved the anode activity for NH3 oxidation. The relationship between the anode activity of the Ni-based binary anode and the metal-nitrogen binding energy of the added transition metal, which is a key to realize the highly active anode for direct NH3-fueled SOFCs, is discussed.
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