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RENERGI-Fremtidens rene energisystemer

High Temperature PEM Fuel Cells Operating with Organic Fuels

Tildelt: kr 3,6 mill.

The non-renewable energy resources (fossil fuels) are by far the most exploited forms of energy today. In fact, the whole superstructure of the modern industrial society is built upon oil and gas, which eventually will be exhausted with grave consequences of global warming and environmental pollution. Environmental and energy security concerns are speeding the pace of renewable energy and clean combustion technologies development and commercialization. Particular interest is focused on reducing CO2 emissi ons, lowering costs and securing energy security. Small organic molecules produced from biomass or natural gas has gained increased attention over the last few decades in both academic and industrial research communities. Organic fuels can be used in fue l cells indirectly via reforming to a hydrogen rich gas, or by direct oxidation, which significantly improves the handling, storage (liquid at room temperature) and distribution as compared to hydrogen and simplifies the hardware needed. The ultimate go al of this project is to further enhance our knowledge within oxidation of important organic fuels that can be made either from natural gas or biomass, and combine it with our expertise in preparing catalysts and gas diffusion electrodes for high temperat ure polymer fuel cells based on phosphoric acid doped polybenzimidazole membranes. This allows for an operating temperature of up to 200 °C, which simplifies the reaction kinetics by reducing the poisonous effect of partially oxidized intermediates. Basi ng the fuel cells on renewable energy, like biomass derived fuels, makes the fuel cells sustainable. Although fuel cells must be markedly improved before they can widely replace internal combustion engines in motor vehicles, their significantly improved e missions characteristics and high efficiency make them highly desirable.

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RENERGI-Fremtidens rene energisystemer