Proton exchange membrane fuel cells (PEMFC) are promising power sources since they offer a highly efficient and environmentally friendly solution for energy conversion. In this paper there are presented the results obtained in different working conditions for Small Scale PEMFCs (25 cm² working electrode). The tests that were performed are: polarization curves, impedance measurement using EIS Spectroscopy, ionic behavior in different temperature conditions and variable pressures.

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1. Design and Characterization of Ion Exchange Membranes for PEM Fuel Cells