Air Breathing Fuel Cells/Prototype Hybrid Fuel Cell/Battery System
Stack Voltage, EStack [V]
15.0
35 30 25
10.0
20 15 5.0
10
0.0 0
1
Voltage (V) Power (W)
5
3
0 4
2
Power, P [W]
Design specifications: 25 W avg. power Power delivery at 12 VDC (regulated) Hydrogen fuel, and air-cooled Provide 1800 Wh of energy over 72 hrs
T = 25 oC, RHa = 0 %, H2 Pressure=5 psi
Current, I [A]
Fuel Cell
10.00
Power (W) 25
12 VDC
8.00
20
Voltage (V)
6.00
15
4.00 10
2.00 5.0
Long Term Test Five units (10 fuel cells), room temperature, flow rate = 0.75lpm 0.00
0.0
0
10
20
30
40
50
Time (Hrs)
Advanced Materials and Technologies Laboratory • University of Connecticut
Power (W)
Voltage (V)
DC/DC Converter
30