Air-cooled fuel cell power system of fixed-wing unmanned aerial vehicle
A power system and fuel cell technology, applied in the direction of fuel cells, fuel cell additives, fuel cell heat exchange, etc., can solve the problems of poor heat dissipation of the stack and low efficiency of the power system, and achieve improved power generation efficiency and unmanned aerial vehicles Endurance, eliminate energy consumption, and ensure the effect of heat dissipation requirements
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[0099] This embodiment provides an air-cooled fuel cell stack, such as figure 1 As shown, it includes anode end plate EP1, anode insulation plate Ins1, anode current collector CC1, multi-layer stacked bipolar plate B and membrane electrode MEA, cathode current collector CC2, cathode insulation plate Ins2 and cathode terminal Board EP2;
[0100] The processing material of the bipolar plate B can be a graphite plate, a composite plate or a metal plate, and the cross-sectional structure is as follows figure 2 As shown, the upper surface of the bipolar plate B is an anode, and a hydrogen flow channel B1 is provided for the fuel hydrogen flow reaction; the lower surface is a cathode, and an air flow channel B2 is provided for air circulation, in which the air is simultaneously used as an oxidant and a cooling medium ;
[0101] The membrane electrode MEA is the place where the electrochemical reaction occurs, and the cross-sectional structure is as follows image 3 As shown, the...
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