Abstract
Integrated Gasification Fuel Cell (IGFC) power plants, incorporating solid oxide fuel cell (SOFC), are an attractive alternative to traditional pulverized coal-fired steam cycle and Integrated Gasification Combined Cycle power plants, for central power generation. Key features of the IGFC plants are: high efficiency, near-zero emissions of SOx and NOx, low water consumption, and amenability to carbon dioxide (CO2) capture. FuelCell Energy is developing SOFC systems and technology for very efficient, economically viable, coal-based power plants through a cooperative agreement with the U.S. Department of Energy. A key project objective is implementation of an innovative system concept in design of a Baseline Power Plant (>100 MW) to achieve an electrical efficiency of >55% based on coal higher heating value, exclusive of power requirements for CO2 compression. The Baseline system is designed to remove at least 90% of carbon in the syngas for sequestration as CO2. The coal-based power plant is targeted to have a cost of $700/kW (2007 US dollars) for the SOFC power block.
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