Physics, 18.10.2019 19:10 ineedhelp2285
Consider a pemfc operating at 0.8 a/cm2 and 70∘c. hydrogen gas at 90∘c and 80% relative humidity is provided to the fuel cell at the rate of 8 a. the fuel cell area is 8 cm2 and the drag ratio of water molecules to hydrogen, α, is 0.8. find the water activity of the hydrogen exhaust. assume that p = 1atm and that the hydrogen exhaust exits at the fuel cell temperature, 70∘c.
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Consider a pemfc operating at 0.8 a/cm2 and 70∘c. hydrogen gas at 90∘c and 80% relative humidity is...
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