The system has a refueling point (9) for providing fuel or fuel extract to mobile users as part of a static fuel supply system for several buildings (6,6a,6b) . The mobile users (1) contain mobile fuel cell systems (4) and mobile storage tanks (2). The sou...

A method for controlling a fuel cell system is disclosed. One embodiment of the method comprises supplying an amount of fuel and an amount of oxidant to a fuel cell stack. The amount of fuel supplied to the fuel cell stack is controlled to attain a desired...

A fuel cell power plant (1) and a rechargeable battery (2) are connected in parallel to an electric motor (3) of a fuel cell powered vehicle, and the output voltage of the fuel cell power plant (1) is regulated by a converter (4). A temperature sensor (5) ...

A fuel cell system is provided with a fuel cell (1) supplied with air and fuel to generate electric power output, a main air-flow passage (6) supplying the air to the fuel cell, an air treatment unit (11) located in the main air-flow passage, a bypass flow...

A power supply system (1) includes a fuel cell (40) and a battery (20) connected in parallel. A DC-DC converter (30) is connected to the battery (20). A maximum output ratio of the fuel cell (40) and the battery (20) is set to be in a range where the outpu...

The method involves using an auxiliary fuel to supply the gas generation system (6) with thermal energy, at least in some operating phases of the system. A unit (3) consisting of the gas generation system and fuel cell (7) is used in addition to the motor ...

A fuel cell system 10 has a fuel cell 16 and a battery 24. An external load 30 is supplied with output power produced by the fuel cell and output power discharged from the battery. The fuel cell system includes a battery charge level monitoring unit 26 whi...