Ισοζύγιο μάζας - ενέργειας σε κυψέλη καυσίμου μεμβράνης ανταλλαγής πρωτονίων.
The objective of the thesis is the study of fuel cells as an alternative source of energy production and the design of the material and energy balance in order to simulate a PEM fuel cell in the steady-state.