Abstract
The performance of Ce 1− x Fe x O 2− δ ( x = 0.1, 0.2) was studied as anode for solid oxide fuel cell running on methane in this paper. The oxides were prepared by the citrate method. The polarization resistance of electrode was measured in the two-electrode symmetric cell configuration and an electrolyte-supported cell was prepared to assess Ce 0.8Fe 0.2O 2− δ anode performance of running on methane fuel. The results suggested that Ce 0.8Fe 0.2O 2− δ has a significant effect on the electrochemical oxidation of methane. A maximum power density of single cell was 52 mW/cm 2 at 800 °C and little carbon deposition was shown on the anode operating in humidified methane for 20 h. Therefore, Ce 0.8Fe 0.2O 2− δ is a promising candidate for anode of solid oxide fuel cell running on methane fuel, which breaks a new path to solve the problem of carbon deposition in methane.
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