Solid Oxide Fuel Cells for Undersea Naval Applications

V, V
Modeling SOFC Cell
Performance
1.2
1
0.8
0.6
0.4
0.2
0
IV & Pd curves for 6-cell VPS Stack single cell average
0
0 0.2 0.4 0.6 0.8
i, A/cm2
Model was first adjusted to fit the published standard operating
curves for the VPS cell, and then the projected performance was
modeled for operation under expected under high utilization of
reformate and pure oxygen feed streams seen in the UUV. A slight
voltage boost from higher operating pressure is also modeled.
0.6
0.5
0.4
0.3
0.2
0.1
Pd, W/cm2
V,std
Vmodel
1 atm, V
3 atm, V
P,std
Pmodel
1 atm,Pd
3 atm, P