For the experimental research of hydrogen sorption / desorption processes, a model of a film hydrogen accumulator with a tape foil carrier has been developed and manufactured. Experiments were carried out to study the sorption / desorption (S / D) of hydrogen on a model of a film battery with a tape carrier (NiCr foil 20-50 microns with a titanium coating of 10-15 microns and a magnesium coating of 2-5 microns).
Experiments on the hydrogenation of Mg-Al films during their deposition by magnetron sputtering in a hydrogen atmosphere and subsequent gas-phase hydrogenation have been carried out. The hydrogen mass content and the rate of hydrogen desorption from the obtained metal hydride films have been determined. The key effect of the nickel protective coating on Mg-Al films for their use in hydrogen film accumulators is shown.
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