Mathematical Modeling of Cross Plane SOFC with Internal Reforming

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Abstract
A mathematical model for predicting heat, mass and charge transport in a cross-plane SOFC stack is described, and numerical results are presented for various case studies, specifically the effect of internal reforming of methane fuel. The results reported for a single layer cell show the difficulty in maintaining the cell temperature at the desired level in the presence of internal reforming and absence of gas recycling. In addition, the case studies investigate the effect of geometrical factors, cell overpotential, and the thermal conductivity of the cell components. The results demonstrate the usefulness of such models in providing insight to the interaction of complex phenomena which determine the overall cell performance.

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