PEM Fuel Cell Polarization Curve Calculator
Electrochemical energy conversion: Compute the complete $I$-$V$ polarization curve, activation, ohmic, and mass concentration overpotential losses, power density, and thermodynamic efficiency.
Operating & Stack Conditions
Standard PEM: 60–80°C
Inlet $P_{H_2} = P_{O_2}$
Electrochemical Kinetic Constants
Cell & Stack Electrical Output
Cell Voltage V_cell:
--
Volts per cell
Stack Power Output:
--
Kilowatts (kW)
Power Density:
--
W/cm²
LHV Efficiency:
--
based on 1.229 V
HHV Efficiency:
--
based on 1.482 V
Overpotential Loss Breakdown (V)
| Voltage Component | Value | % Loss |
|---|---|---|
| Nernst Reversible Potential E_nernst | -- | Baseline |
| - Activation Overpotential η_act | -- | -- |
| - Ohmic Overpotential η_ohm | -- | -- |
| - Concentration Overpotential η_conc | -- | -- |
| = Net Terminal Voltage V_cell | -- | -- |
Operating State: Nominal Linear Ohmic Region
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