Research Article
Adaptive Second Order Sliding Mode Control of a Fuel Cell Hybrid System for Electric Vehicle Applications
Table 4
PEMFC system parameters.
| | Symbol | Parameter | Value |
| | Number of cells in stack | 381 | | Universal gas constant | 8.314 J/(mol K) | | Temperature of the fuel cell | 353.15 K | | Faraday constant | 96485 C/mol | | Atmospheric pressure | Pa | | Atmospheric temperature | 298.15 K | | Cathode volume | 0.01 m3 | | Anode volume | 0.005 m3 | | Oxygen mass fraction | 0.23 | | Air molar mass | kg/mol | | Oxygen molar mass | kg/mol | | Nitrogen molar mass | kg/mol | | Ratio of specific heats of air | 1.4 | | Specific heat capacity of air | 1004 J/(kg K) | | Compressor efficiency | 80% | | Motor mechanical efficiency | 98% |
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