Styrmetod för styrning av ett bränslecellssystem och motsvarande styrningsenhet

Patentradars sammanfattning

The invention provides a control method and corresponding control unit for fuel cell systems comprising one or more fuel cell stacks with membrane electrode assemblies (MEAs) and bipolar plates. The system continuously monitors cell voltage behavior and water content, then adjusts physical parameters—such as reactant gas concentration (e.g., O₂ level), gas pressure, flow rate, and relative humidity—to keep voltage below predefined risky thresholds (e.g., catalyst redox potential) and to limit voltage fluctuation range and frequency. By doing so, the method mitigates both reversible and irreversible degradation mechanisms, notably catalyst dissolution and corrosion, thereby extending the operational lifetime of the fuel cell system. An optimization algorithm, optionally incorporating neural networks or AI, may use historical data to tune parameter adjustments in real time.

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