Abstract
ABSTRACT Proton-conducting solid oxide fuel cells are one of the most promising energy resources of the future. In the current article, a computational fluid dynamics model of a proton-conducting SOFC with direct internal reforming of methane and water gas shift reaction has been developed considering the governing equations of mass and momentum transport, charge, and species conservation, and energy transfer in two dimensions. The results of the simulation show that the maximum power density of the cell is , and it takes place at a potential of . The contribution of different energy sources in the cell structure has been investigated, and results show that the electrolyte is the most influential part of the cell heating. Furthermore, the average temperature of the cell decreases as the operating potential increases because of reducing the heat sources in the solid structure.
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