Variables and Constants

Defined Values

Number of cells in the stack


Active area of electrolyte membrane

80 cm2

Water content in electrolyte membrane (λ)


Membrane thickness (L)

25 × 104 cm

Maximum current density (im)

500 mA/cm2

Maximum output voltage

43.2 V at 24 A

Maximum stack operating temperature


Temperature of supply air and hydrogen

Room temperature

Ambient pressure

101.325 kPa

Ambient air density

1.225 kg/m3

Pressure of supply Hydrogen

55 kPa

Density of supply Hydrogen

0.899 m3