Method for controlling a fuel cell system and systems for executing the method

A method for controlling a fuel cell system that has a high-pressure gas generating system so as to avoid mechanical damage to a fuel cell. In the event of a malfunction of a diaphragm of a reformer unit, the differential pressure between the side of the diaphragm of the reformer unit facing the ano...

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Bibliographische Detailangaben
Hauptverfasser:	WIESHEU NORBERT, POSCHMANN THOMAS
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMISTRY COMPOUNDS THEREOF ELECTRICITY INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:	A method for controlling a fuel cell system that has a high-pressure gas generating system so as to avoid mechanical damage to a fuel cell. In the event of a malfunction of a diaphragm of a reformer unit, the differential pressure between the side of the diaphragm of the reformer unit facing the anode side and the cathode side of the fuel cell module is held below a predefined value. In addition fuel cell systems are provided for holding the differential pressure may contain a pressure relief valve, which may be controlled by a sensor, a bursting disk, or a flow resistance, or another controllable valve on the low-pressure side upstream from the anode side of fuel cell unit.