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

Dahti Razie | Zendy; Javad Khodaveisi | Zendy; S.E. Moradi | Zendy

Open Access

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

Author(s) -

Dahti Razie,

Javad Khodaveisi,

S.E. Moradi

Publication year - 2011

Publication title -

hemijska industrija

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.147

H-Index - 19

eISSN - 2217-7426

pISSN - 0367-598X

DOI - 10.2298/hemind110929107b

Subject(s) - materials science , thermogravimetric analysis , mesoporous material , dehydrogenation , nanocomposite , nickel oxide , chemical engineering , oxide , inorganic chemistry , carbon fibers , iron oxide , nickel , adsorption , catalysis , chemistry , nanotechnology , composite material , metallurgy , composite number , organic chemistry , engineering

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

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