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NTIS 바로가기Materials transactions, JIM, v.41 no.12, 2000년, pp.1621 - 1625
Sato, Kazunori (Nagaoka Univ of TechnologyJpn) , Sakamaki, Katsuyuki , Inoue, Yasunobu
A new electrocatalyst which enables direct methane use in solid oxide fuel cells (SOFCs) was examined. The dispersion of Co0.5<>Ni0.5O particles into a porous-platinum-based anode increased the cell performance in an SOFC using a stabilized-zirconia electrolyte. Among the catalysts studied, Co0.5<>Ni0.5O, CoO and NiO, the increase was the most prominent for Co0.5<>Ni0.5O. The anodic polarization resistance and the production rates of CO, CO2<>, and H2 in the outlet gas showed a high Co0.5<>Ni0.5O catalytic activity for the electrochemical oxidation of methane, indicating the activation of the steam-reforming reaction caused by the formation of surface active sites in relation to the cation vacancy in the CoO-NiO solid solution.(Author abstract)
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