Thin film hydrogen storages

Abstract

This chapter systematizes the results of studies of the regularities of hydrogen absorption up to the concentrations of ~7 wt.% by thin films of magnesium, niobium, and vanadium. Distinctive features of the hydrides formation in singleand multilayer films have been demonstrated. It has been shown how such properties as electrical resistivity and optical transparency of thin films can correlate with the hydride formation process. The possibility of improving the kinetic and thermodynamic characteristics of thin films by forming a nanocrystalline structure and introducing catalysts has been analyzed. It has been shown that an increase in the gravimetric capacity of vanadium can be achieved due to nanoporous thin-film structures creating.