Fuel cell cold start anode purging device and purging method
A technology of fuel cells and fuel cell stacks, applied in fuel cells, circuits, electrical components, etc., can solve problems such as hydrogen waste, achieve the effects of reducing operating costs, improving life, and ensuring stable output
Active Publication Date: 2019-08-16
SHANDONG UNIV
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The invention discloses a fuel cell cold start anode purging device and a purging method, which solve the problem of hydrogen waste in fuel cell purging in the prior art, and have the beneficial effect of ensuring stable output of fuel cell stack performance. The fuel cell cold start anode purging device comprises a nitrogen purging system and a pressure release valve. The nitrogen purging systemcomprises a nitrogen container, wherein the nitrogen container can be connected with a fuel cell stack inlet; a fuel cell stack outlet can be connected to an inlet of a three-way valve, and an outletof the three-way valve is communicated with a gas-liquid separator and a liquid storage tank; the gas-liquid separator is connected with an ejector or a circulating pump; the pressure release valve isarranged in a gas circulation system; a pressure release valve inlet can be connected with the fuel cell stack inlet; and a fuel cell stack outlet is communicated with the external environment through a liquid storage tank.
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