Inaugural US-EU-China Thermophysics Conference-Renewable Energy 2009 (UECTC 2009 Proceedings)
55 An Easy-to-Approach Comprehensive Model and Computation for SOFC Performance and Design Optimization
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This paper presents an easy-to-approach mathematical model for planar type solid oxide fuel cells. It is developed to be used as a tool for students in fuel cell class to conduct parametric studies in order to grasp fundamentals and to understand the effects of mass transfer, electrochemical reaction, and current conduction on the voltage-current relationship in a fuel cell at different operating conditions. Using the model, the three over-potentials caused by different polarizations in a planar type solid oxide fuel cell can be identified and compared. The analysis for the mass transfer polarization is based on average mass transfer model...