Table 1 Parameters of the models of SOFC systems
From: Comprehensive summary of solid oxide fuel cell control: a state-of-the-art review
Parameter | Value | Unit | Representation |
|---|---|---|---|
\({T}_{0}\) | 1273 | K | Absolute temperature |
\({F}_{0}\) | 96485 | C/mol | Faraday’s constant |
\({R}_{0}\) | 8.314 | J/(mol·K) | Gas constant |
\({E}_{0}\) | 1.18 | V | Ideal standard potential |
\({K}_{\mathrm{r}}\) | \(0.996\times {10}^{-3}\) | Mol/(s·A) | Constant, \({K}_{\mathrm{r}}={N}_{0}/4{F}_{0}\) |
\({K}_{{\mathrm{H}}_{2}}\) | \(8.32\times {10}^{-6}\) | Mol/(s·Pa) | Constant for hydrogen |
\({K}_{{\mathrm{H}}_{2}\mathrm{O}}\) | \(2.77\times {10}^{-6}\) | Mol/(s·Pa) | Constant for water |
\({\tau }_{{\mathrm{H}}_{2}}\) | 26.1 | s | Response time of hydrogen |
\({\tau }_{{\mathrm{H}}_{2}\mathrm{O}}\) | 78.3 | s | Response time of water |
\({\tau }_{{\mathrm{O}}_{2}}\) | 2.91 | s | Response time of oxygen |
\({\tau }_{\mathrm{H}-\mathrm{O}}\) | 1.145 | – | Ratio of hydrogen to oxygen |
\(r\) | 0.126 | – | Ohmic loss |
\({\tau }_{\mathrm{f}}\) | 5 | s | Lime constant |
\(\partial\) | 0.05 | – | Tafel constant |
\(\beta\) | 0.11 | – | Tafel slope |
\({I}_{\mathrm{L}}\) | 800 | A | Limiting current density |