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Effect of Titanium Compounds on H-kinetics of Nanostructured Magnesium Hydride
, M.Sc. Thesis Sharif University of Technology ; Simchi, Abdolreza (Supervisor) ; Maddah Hosseini, Hamid Reza (Supervisor)
Abstract
Magnesium hydride (MgH2) is an attractive candidate for solid-state hydrogen storage applications. Scanning Electron Microscopy observations showed that during cyclic absorption and desorption considerable micro-crack was formed at the reaction interface and reduced the nucleation time. To improve the kinetic properties of MgH2 during dehydrogenation a nanostructured MgH2-10%mol TiH2-6%mol TiO2 material system was prepared by high-energy ball milling. Isothermal analysis with commercial volumetric sievert demonstrated that the addition of titanium compounds significantly improved the kinetics of dehydrogenation compared to commercial MgH2