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The work shows some results concerning a new cermet material 40 vol.% [(Cu)–Ni]–YSZ processed by mechanical alloying followed by Sintering by Activated Surface method. The projected cermet microstructure for this application is expected to possess microstructural characteristics that lead to better electric and ionic percolating, higher electrocatalytic activity and fuel reforming. The powder samples prepared by mechanical alloying optimized conditions show a homogeneous mixture. Transmission and scanning electron microscope analysis have demonstrated the powder particles are nanosized after 2 h of milling, showing lamellar internal structure aggregates. Suitable sintered pellets are obtained from these powders, within the required porosity and microstructure. Sintering kinetics studies for pellets of Ni–YSZ and Ni–Cu–YSZ indicate 2-step sintering processes. Copper additive promotes sintering and refines the microstructure.

Cu-Ni-YSZ anodes for solid oxide fuel cell by mechanical alloying processing