U.S. Wind to Hydrogen Modeling, Analysis, Testing, and Collaboration
Approach: System
configuration with
sensor measurements
•
Power converter
AC power
• Stack data
-
Current
-
Voltage
-
Cell-level voltage monitoring
Anode and cathode pressures
Temperature
• H2 production
Data acquisition plan to assess
stack responses and degradation
Tap Water
Supply
Deionization
O₂/H₂O Phase
Separator
Oxygen to Vent
or Storage
Water Quality of
H₂
H₂/H₂O
Mass flow rate
Pressure
Dryer
Temperature
> 1 MQ-cm
Fluoride
concentration
DI Polishing
Pump
Water quality
Water How rate
Stack temperature
Anode pressure
Circulation
Pump
H₂/H₂O Phase
Separator
Cathode
pressure
Key
H₂/H₂O
Cooling Pump
-
Current to mass flow rate
conversion
Water loop
Inflow water quality
Outflow fluoride
Heat
concentrations: anode and
Exchanger
cathode sides (effluent water
sampling)
PEM
Electrolyzer
Oxygen
Wet Hydrogen
DC Power
Cell voltage
DC current
DC voltage
AC/DC
Rectifier
Desalinated
Water
Dry Hydrogen
AC Power
Deionized
Water
DC Power
Electrical
Power
AC Power
AC power
Sensor
Measurement
NREL 8View entire presentation