Biofuels as Fuels for High Temperature Fuel Cells

Jaroslaw Milewski, Janusz Lewandoski

Abstract


Based on mathematical modeling and numerical simulations, influences of various biofuels on high temperature
fuel cell performance are presented.
Governing equations of high temperature fuel cell modeling are given. Adequate simulators of both SOFC
and MCFC have been done and described. Performances of these fuel cells with dierent biofuels are shown.
Some characteristics are given and described. Advantages and disadvantages of various biofuels from system
performance point of view are pointed out.
An analysis of various biofuels as fuels for Solid Oxide Fuel Cell (SOFC) and Molten Carbonate Fuel Cell
(MCFC) is presented. The results are compared with Natural Gas (NG) as a reference fuel. The biofuels
are characterized by both lower eciency and lower fuel utilization factors in comparison with NG. The
presented results are based on a 0D mathematical model in design point calculation. The governing equations
of the model are presented.

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