Application of an Anode Model to Investigate Physical Parameters in an Internal Reforming Solid-Oxide Fuel Cell

摘要

A one-dimensional model of chemical and mass transport phenomena in the porousnanode of a solid-oxide fuel cell, in which there is internal reforming of methane, isnpresented. Macroscopically averaged porous electrode theory is used to model the massntransfer that occurs in the anode. Linear kinetics at a constant temperature are used tonmodel the reforming and shift reactions. Correlations based on the Damkohler numbernare created to relate anode structural parameters and thickness to a nondimensionalnelectrochemical conversion rate and cell voltage. It is shown how these can be applied innorder to assist the design of an anode.