Question: Calculate the limiting current density (i ) for a fuel cell cathode running on air at STP. Assume only O2 and N2 are present (ignore

Calculate the limiting current density (i ) for a fuel cell

Calculate the limiting current density (i ) for a fuel cell cathode running on air at STP. Assume only O2 and N2 are present (ignore the presence of water vapour). Deff=5.2102cm2/s. The diffusion layer () is 500m thick

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