The device has a capillary forming structure (15) and a separating element (4) with a moisture transmissive membrane (14) that connects at least two media channels (2,3) via part of a common channel wall so that condensed moisture us transported through th...

The device has a water detection device (5) for determining a water parameter for the absolute quantity of water arising in a reaction, a gas detector (9) for detecting a gas parameter for a gas quantity in or through the reaction region (1) and a computer...

Supply for a medium runs into a distributor chamber (DC) (33) to distribute the medium before entering fuel cells (FC). The DC has direct contact with the FC so that the medium can enter the FC via an FC preset area (35). For a particularly even flow, the ...