| Constant parameters | Symbols | Units | Values |
| Reversible voltage | Vrev | V | 1.229 |
| The area of the electrode | A | m2 | 0.25 |
| Faraday’s constant | F | C/mol | 96485 |
| Number of electrons | z |
| 2 |
| Number of cells | n |
| 1 |
| Coefficient of overvoltage of the electrode | s | V | 0.185 |
| Coefficient of overvoltage of the electrode | t1 t2 t3 | A−1m2 A−1m2˚C A−1m2˚C | 1.002 8.424 247.3 |
| Parameters related to the ohmic resistance of the electrolyzer | r1 r2 | Ωm2 Ωm2∙˚C−1 | 8.05e−5 −2.5e−7 |
| Parameters | Units |
| |
| Temperature | ˚C | 40 60 80 | |
| f1 | mA2cm−4 | 150 200 250 | |
| f2 | 0…..1 | 0.990 0.985 0.980 | |