Case Study B: Fuel Cell Power Train for Cars - Hydrogen Fuel Cells for Road Vehicles - page 209

Fig. 7.11 Start-up perfor-
mance of the 20 kW PEM
stack humidified at room
temperature (287 K) up to
4 kW. Acquisition during
time of: a stack current and
voltage and b stack and
humidification temperatures
Fig. 7.12 Individual cell
voltage for the 20 kW PEM
stack at the end of test of
Fig. 7.11