air flow rate in PEM fuel cell

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Giorgos Kartsonakis
Giorgos Kartsonakis on 22 Feb 2022
Answered: Sabin on 27 Jun 2025
i have the follow type of air flow rate ( liter per minute), which value should i choose for Pair(nom) (pa) ? :
Vlpm(air)nom= (60000*R*T(nom)*N*I(nom)) / (2*z*F*Pair(nom)⋅0.5⋅0.21)

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Answers (1)

Sabin
Sabin on 27 Jun 2025
That would be the nominal air supply pressure. This refers to the typical pressure at which air is supplied to the cell, crucial for ensuring efficient operation and optimal electrochemical reactions. Typically ranges from 1.5 to 4 bar (150000 to 400000 Pa).

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