Modification of the Surface of Polymer Electrolyte Membrane Nafion by Ion Beam Assisted Deposition of Catalytic Metals

Surface layers on Nafion membrane is used as an electrolyte for low-temperature fuel cells were prepared by ion beam assisted deposition (IBAD) of platinum and iridium. Formation of layers in IBAD mode, by means of the deposition of metal and mixing of precipitating layer with the substrate by accelerated ( U = 5 kV) ions of the same metal, was carried out. In this process, a neutral fraction of metal vapor and ionized plasma of vacuum pulsed electric arc were used. Investigation of the composition and morphology of prepared layers was carried out by EDX, SEM, WD-XRF and RBS methods.