Table 3 Other parameters in the model.

From: Modeling and optimization control of SOEC with flexible adjustment capabilities

Parameter

Numerical value

H2 diffusion volume

6.0 × 10–6

O2 diffusion volume

16.6 × 10–6

H2O diffusion volume

12.7 × 10–6

N2 diffusion volume

17.9 × 10–6

H2 molar heat capacity

30.2 J/(mol·K)

O2 molar heat capacity

34.9 J/(mol·K)

H2O molar heat capacity

41.3 J/(mol·K)

N2 molar heat capacity

32.7 J/(mol·K)

Cathode porosity

0.36

Anodic porosity

0.29

Hydrogen electrode heat capacity

353 J/(kg·K)

Oxygen electrode heat capacity

398 J/(kg·K)

Electrolyte heat capacity

620 J/(kg·K)

Metal support body heat capacity

660 J/(kg·K)

Charge transfer coefficient of hydrogen electrode

0.60

Charge transfer coefficient of oxygen electrode

0.65