Author/Authors :
C. Lalanne، نويسنده , , G. Prosperi، نويسنده , , J.-M. Bassat، نويسنده , , F. Mauvy، نويسنده , , S. Fourcade، نويسنده , , P. Stevens، نويسنده , , M. Zahid، نويسنده , , S. Diethelm، نويسنده , , J. Van herle، نويسنده , , J.-C. Grenier، نويسنده ,
Abstract :
The neodymium-deficient nickelate Nd1.95NiO4+δ, mixed conducting K2NiF4-type oxide, was evaluated as cathode for solid oxide fuel cells. The electrochemical properties were investigated on planar Ni–YSZ anode-supported SOFC based on co-tape casted and co-fired HTceramix® cells. Using a layer of strontium doped lanthanum cobaltite as current collector, a current density of 1.31 A cm−2 (at 0.70 V) was obtained at 800 °C using hydrogen fuel with small single cells, after optimizing the cathode sintering temperature. Impedance spectroscopy measurements were performed; the different resistive contributions and the values of the corresponding equivalent capacities are discussed.
