Multiphysical Models for Hydrogen Production Using NaOH and Stainless Steel Electrodes in Alkaline Electrolysis Cell

Table 6

Parameters specific to the experiment on interelectrode gap.

Parameters	Description	Value	Unit
	Distance between the anode and the membrane (1 cm)	0.005	m
	Distance between the cathode and the membrane (1 cm)	0.005	m
	Distance between the anode and the membrane (0.75 cm)	0.00375	m
	Distance between the cathode and the membrane (0.75 cm)	0.00375	m
	Distance between the anode and the membrane (0.5 cm)	0.0025	m
	Distance between the cathode and the membrane (0.5 cm)	0.0025	m
	Distance between the anode and the membrane (2 cm)	0.01	m
	Distance between the cathode and the membrane (2 cm)	0.01	m
	Void fraction for 1 cm at 80°C	0.22	—
	Void fraction for 0.75 cm at 80°C	0.22	—
	Void fraction for 0.5 cm at 80°C	0.32	—
	Void fraction for 2 cm at 80°C	0.313	—
C1	Voltage drop for 1 cm at 80°C	−1.2119	V
C2	Voltage drop for 0.75 cm at 80°C	−1.8646	V
C3	Voltage drop for 0.5 cm at 80°C	−1.4383	V
C4	Voltage drop for 2 cm at 80°C	−2.7674	V
k1	Correction factor for 1 cm at 80°C	0.0294	—
k2	Correction factor for 0.75 cm at 80°C	0.035	—
k3	Correction factor for 0.5 cm at 80°C	0.0304	—
k4	Correction factor for 2 cm at 80°C	0.035	—