ABSTRACT
High-temperature solid oxide fuel cells (SOFCs) facilitate more efficient and lower/zero pollution transformation of fuels into electricity as compared to traditional power generation technologies. With increasing fuel prices and tighter emission regulations, SOFCs are becoming increasingly more attractive due to their high fuel flexibility for hydrocarbons, reforming gas, biogas, and coal syngas. A wide variety of experiments under different operation conditions using different material systems have been conducted to investigate the electrochemical oxidation of CO in SOFCs. Carbon decomposition is a common phenomenon observed by researchers at normal SOFC operating temperature ranges. The carbon deposition in SOFC anodes needs to be suppressed. At the beginning of simulations, button SOFCs are normally used to validate electrochemical models and model parameters. The system configuration allows the SOFC and gas turbine to be operated at different pressures, which would effectively reduce the complexity of the whole system, save the cost of SOFC materials, and lower the sealing requirements.
