Abstract
High Power Density (HPD) solid oxide fuel cells are being explored for an enhancement in power densities over the current state-of-the-art cylindrical solid oxide fuel cell (SOFC). The HPD solid oxide fuel cell modifies the tube geometry in order to decrease the ohmic polarization of the cell while maintaining the seal-less properties of the cylindrical SOFC cells. Several geometries are being considered, for instance an HPD cell with ten channels (HPD10) increases the cell power density by about 58%. This increased performance is due to geometry alone and does not include any further enhancement of power achievable if more advanced materials were to be used. This paper reviews the fabrication and performance of different geometries of HPD cells to date.
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