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In the present work, we investigated the hydrogen desorption properties of  nano-sized MgH2 that was loaded on ordered mesoporous carbon (OMC) surface  that had been already modified with nickel and iron oxide nanoparticles. The  surface modified mesoporous carbon was characterized by BET surface area and  X-ray diffraction (XRD) analysis. The amount of MgH2 on the carbon surface  was confirmed by thermogravimetric analysis (TGA). Dehydrogenation data of  MgH2 on the ordered mesoporous carbon were collected for the pressure up to  8 MPa (80 bar) at 500 K. The incorporated MgH2 on nickel oxide-mesoporous  carbon nanocomposite had faster dehydrogenation kinetics compared to  incorporated MgH2 on iron oxide-mesoporous carbon nanocomposite as well as  incorporated MgH2 on mesoporous carbon. This can be attributed to the  particle size of the former being smaller than that of the latter, as well  as much accessible nanosized surface of loaded MgH2

The inclusion of MgH2 into iron oxide and nickel oxide modified mesoporous carbon sorbent, an investigation on hydrogen production