Efficient Reduction of CO[sub 2] in a Solid Oxide Electrolyzer

The electrolysis of has been examined in a solid oxide electrolyzer (SOE) using a ceramic electrode based on (LSCM), infiltrated into a yttria-stabilized zirconia scaffold together with 0.5 wt % Pd supported on 5 wt % . An SOE with this electrode exhibited a total cell impedance of at 1073 K for operation in mixtures. An additional benefit is that the electrode was shown to be redox stable, with LSCM exhibiting good conductivity in both oxidizing and reducing environments, so that the cell can operate in pure .