Research Article
Parametric Analysis of a High Temperature PEM Fuel Cell Based Microcogeneration System
Table 1
Values of parameters used in HT-PEMFC model.
| | Parameter | Value |
| | GDL porosity | 0.6 | | Membrane thickness (m) | 4 × 10−5 | | Anode film thickness (m) | 2.5 × 10−9 | | Cathode film thickness (m) | 1.48 × 10−9 | | Anode reference exchange current density (A/m2) | 1440 | | Cathode reference exchange current density (A/m2) | 0.0004 | | Anode catalyst surface area (m2/g) | 64 | | Cathode catalyst surface area (m2/g) | 32.25 | | Anode catalyst loading (mg/cm2) | 0.2 | | Cathode catalyst loading (mg/cm2) | 0.4 | | Transfer coefficient at anode | 0.5 | | Transfer coefficient at cathode | 0.5 | | Anode reference concentration (mol/cm3) | 0.0002 | | Cathode reference concentration (mol/cm3) | 0.0004 | | Anode activation energy (kJ/mol) | 16000 | | Cathode activation energy (kJ/mol) | 54066 | | Anode reference cell temperature (K) | 433.15 | | Cathode reference cell temperature (K) | 373.15 | | Reaction order | 1 |
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