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Sulphur-tolerant anode for MCFC FED with biogas

TitleSulphur-tolerant anode for MCFC FED with biogas
Publication TypePresentazione a Congresso
Year of Publication2009
AuthorsZaza, F., Paoletti C., Cigolotti V., Simonetti E., R. Presti Lo, McPhail S., and Pasquali M.
Conference NameEFC 2009 - Piero Lunghi Conference, Proceedings of the 3rd European Fuel Cell Technology and Applications Conference
ISBN Number9788882862114
KeywordsBiogas, Biomass, carbon, Carbon dioxide, Carbon monoxide, Cell performance, Cermets, Chemical energy, Chromium alloys, Electrodes, Energy policy, Energy security, Environmental impact, Fuel cells, High temperature fuel cells, methane, Molten carbonate fuel cells (MCFC), Natural resources, Nickel alloys, Nickel-Chromium alloys, Regeneration capacity, Renewable energy resources, Renewable energy source, Socio-economic problems, Sol-gel process, sulfur, Sulfur compounds, Sustainable development, waste management, Waste to energy conversion

Nowadays renewable energy sources represent an important solution to environmental impact and socioeconomic problems because they promote the sustainable development and the energy security. Among renewable energy sources, biomass is the most interesting source because it is possible to produce many useful fuels from biomass and because waste-to-energy conversion is a useful alternative way for waste management. The main drawback is that biomass has low energy content. Coupling biomass with fuel cells it possible to convert the chemical energy stored in biomass to electricity with high efficient. The biofuels useful for fuel cell are gaseous such as biogas. The main advantage to use biogas as fuel for high temperature fuel cell is that reformed methane and carbon monoxide are fuels and carbon dioxide is a diluent. In the other hand, the main drawback is that sulphur compounds, which are the most important biogas impurities, react with cell components compromising the cell performance. The aim of this work is developing an alternative components for molten carbonate fuel cell fed with biogas in order to improve the tolerance towards sulphur compound impurities and the regeneration capacity of the cell. In particular we have prepared and tested an oxide cermet material as anode. The cermet is a Nickel-Chromium alloy covered with a tin film of Ceria prepared with a sol-gel process.

Citation KeyZaza2009127