Flux field plate
A flow field plate and flow field technology, applied in separation methods, electrochemical generators, and dispersed particle separation, can solve problems such as heat loss, lower fuel cell system efficiency, and operational stability, and achieve improved flow guidance and improved The effect of the suction effect
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[0023] figure 1 Shown is a flow field plate 1 with gas inlets 2 for distributing reactants to electrodes or gas diffusion layers of a fuel cell. A plurality of channels 3 defining a flow field are arranged on the flow field plate 1 , wherein there is a pressure drop between the gas inlet 2 and the flow field in the flow-through state. This pressure drop causes exhaust gas flowing in channel 3 to be sucked in in the direction of gas inlet 2 . A water-gas separator 4 is additionally arranged on the flow field plate 1 for separating liquid water and / or water vapor from gas, especially waste gas, wherein the water-gas separator 4 is flow-mechanically connected to the flow field in order to The gas separated in the moisture separator 4 is supplied to the flow field again. In other words, the flow field plate 1 enables efficient anode recirculation integrated into the fuel cell or within the fuel cell. Due to the pressure drop, exhaust gas is drawn from the channel 3 of the flow ...
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