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fix in SOEC example

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Nicolas 2025-07-22 13:10:04 +02:00 committed by Nicolas Kruse
parent 0e01d5e7be
commit eb171fd424
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7
examples/soec_syngas.md
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@ -1,7 +1,7 @@
# SOEC Co-Electrolysis # SOEC Co-Electrolysis
This example shows a 1D isothermal SOEC (Solid oxide electrolyzer cell) model. This example shows a 1D isothermal SOEC (Solid oxide electrolyzer cell) model for
Converting CO2 and H2 into syngas. converting carbon dioxide and steam into syngas.
The operating parameters chosen here are not necessarily realistic. For example, The operating parameters chosen here are not necessarily realistic. For example,
a utilization of 0.95 causes issues with the formation of solid carbon. a utilization of 0.95 causes issues with the formation of solid carbon.
@ -66,13 +66,12 @@ ax.plot(conversion, np.stack([o2_fuel_side, o2_air_side], axis=1), '-')
ax.legend(['o2_fuel_side', 'o2_air_side']) ax.legend(['o2_fuel_side', 'o2_air_side'])
``` ```
The high oxygen partial pressure at the inlet is in reality lower. The high oxygen partial pressure at the inlet is in reality lower.
The assumption that gas inter-diffusion in the flow direction is slower The assumption that gas inter-diffusion in the flow direction is slower
than the gas velocity does not hold at this very high gradient. However than the gas velocity does not hold at this very high gradient. However
often the oxygen partial pressure is still to high to prevent oxidation of the often the oxygen partial pressure is still to high to prevent oxidation of the
cell/electrode. This can be effectively prevented by recycling small amounts of cell/electrode. This can be effectively prevented by recycling small amounts of
the output gas. the hydrogen riche output gas.
Calculation of the local nernst potential between fuel and air side: Calculation of the local nernst potential between fuel and air side:
```python ```python