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MgxZn1-x(BH4)2 and MgxZn1-x(BH4)2-Pd have been produced for hydrogen storage using a high-throughput PVD method.It was found that the MgxZn1-x(BH4)2-Pd system is reversible under 10bar hydrogen atmosphere at ambient temperature.The top layer of Pd plays a vital role on the reversibility of MgxZn1-x(BH4)2 system by preventing the films from peeling off and assisting the dissociation of molecular H2 to highly active H which is easier to diffuse into the system to form the hydrides.It was also found that the loss of zinc increased with the increasing desorption temperature.Compared to magnesium and palladium,zinc lost the most during the thermal desorption.