Analysis of the performance of the electrodes in a natural gas assisted steam electrolysis cell
By Wang, Wensheng; Gorte, Raymond J. & Vohs, John M.
Published in Chemical Engineering Science
NULL
2008
Abstract
The performance of solid oxide electrolysis (SOE) cells while operating in the natural gas assisted steam electrolysis (NGASE) mode was evaluated. The SOE cells used yttria-stabilized-zirconia (YSZ) as the oxygen ion conducting electrolyte, Co – CeO 2 – YSZ as the H 2 – H 2 O electrode, and Pd-doped CeO 2 . YSZ as the CH 4 -oxidation electrode. The cell electrochemical performance was evaluated as a function of the H 2 O / H 2 ratio and the extent of conversion of CH 4 . The results of this study provide insight into the factors that control electrode performance and further demonstrate the viability of an NGASE cell for the production of H 2 .
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