Abstract
Solid oxide fuel cells (SOFC) have been spotlighted as eco-friendly energy sources due to their various advantages, but performance degradation occurring in high-temperature operations and hydrocarbon-based fuel conditions have become obstacles to commercialization. In this study, a novel SOFC stack design is proposed to alleviate the nonuniform distribution of temperature and chemical reaction which can accelerate the degradation of the conventional crossflow type stack. We compared the conventional and the novel SOFC stack design through three-dimensional multiphysics simulation analysis. Compared to the conventional design, the standard deviation of temperature, chemical reaction rate, and fuel species concentration in the novel design decreased by 65.07%, 20.28%, and 25.14%, respectively, showing the advantage of the novel design.
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