Abstract
Electrocatalytic oxidation of methane over Pt-based electrode-catalyst in a solid oxide fuel cell reactor CH 4 Pt0.9ZrO 2+0.1Y 2O 3|Pt, air was studied at 800°C and atmospheric pressure. SEM and ESCA techniques were used to characterize the electrode-catalyst. It is found that the Pt-based electrode is an active electrode-catalyst for partial oxidation of methane (in a diluent absence) to syngas, concentration ratio being [H 2]/[CO]≈2. Methane conversion and carbon monoxide selectivity attained 97% and 95%, respectively. Under these conditions, reactor is operated in a fuel cell mode and the electrode-catalyst is stable (to coking, too).
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