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Charge and Water Transport in Fuel Cells
In this chapter, we will be considering the fundamental principles and
mechanism of charge transport in a fuel cell. As we have discussed before,
in the operation of a fuel cell, charges such as electrons and ions are produced
and consumed in two electrochemical reactions at the anode–electrolyte and
cathode–electrolyte interfaces. Electrons transport through the electrodes
and interconnect to the external electrical circuit. Ions transport through the
electrolyte from the electrode where it is produced to the electrode where it
is consumed. Ohmic voltage loss is caused by the resistances to the motion ...