Abstract
Solid Oxide Fuel Cells (SOFCs) have been shown to generate power with a wide variety of hydrocarbon based fuels. The operation of SOFCs with alternative fuels is hindered by carbon deposition and sulfur poisoning. Here we analyze the performance and degradation of SOFCs with different types of anode, including Ni-YSZ, Cu-ceria, and Rh-ceria based anodes. The tested fuels include Pennsylvania crude oil, JP-7 and JP-8 Plus jet fuels, waste vegetable oil, ethanol, and biodiesel. The performance of the cell with each fuel was characterized with cell voltage vs. current density curves, degradation tests, and electrochemical impedance spectroscopy measurements.
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