2010
DOI: 10.1016/j.ijhydene.2010.01.130
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Hydrogen storage property of sandwiched magnesium hydride nanoparticle thin film

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Cited by 41 publications
(24 citation statements)
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“…The desorption enthalpy of ~ 67 kJ/mol was estimated for 600 nm -thick iron-doped Mg thin film [26]. Almost the same value of 68 kJ/mol was determined for MgH2 formation in sandwiched Pd/Mg/Pd thin film delaminated from the substrate (to get rid of any effect related to the film clamping) [27]. The small change of ∆H in the latter two cases was probably due to the additional lattice defects introduced by doping with Fe and Pd metals.…”
Section: Pd-capped Mg Thin Filmsmentioning
confidence: 61%
“…The desorption enthalpy of ~ 67 kJ/mol was estimated for 600 nm -thick iron-doped Mg thin film [26]. Almost the same value of 68 kJ/mol was determined for MgH2 formation in sandwiched Pd/Mg/Pd thin film delaminated from the substrate (to get rid of any effect related to the film clamping) [27]. The small change of ∆H in the latter two cases was probably due to the additional lattice defects introduced by doping with Fe and Pd metals.…”
Section: Pd-capped Mg Thin Filmsmentioning
confidence: 61%
“…The advantages of these materials include their lightweight, natural abundance, heat resistance, recyclability and capability of storing a large quantity of hydrogen compared with other metal hydride systems [52,58,59]. These materials react with hydrogen to form metal hydrides with a high gravimetric and volumetric hydrogen content that exceeds the DOE target system for hydrogen storage applications [60,61].…”
Section: Kinetics Challenges In Light Metal-based Materialsmentioning
confidence: 99%
“…Moreover, the equilibrium pressures of Mg films deposited with Ni or Pd were considerably higher than films deposited with titanium (Ti), niobium (Nb), or vanadium (V) because Ti, Nb, or V are immiscible with Mg, and the Mg layer is free to expand upon hydrogen uptake. Pd is a noble metal catalyst that can also be used to reduce the activation barrier and accelerate the kinetics based on the high solubility for hydrogen and the dissociation of H 2 molecules, which are properties that are also possessed by Mg, into H atoms at room temperature [52]. Pd also protects the material surface from corrosion and allows for the absorption of hydrogen at cryogenic temperatures in frozen samples.…”
Section: Thin Filmsmentioning
confidence: 99%
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“…In particular, magnesium hydride, MgH 2 , has been drawing worldwide attention for several reasons: abundant resource, low-cost performance, light weight, safety, and a large hydrogen storage capacity of 7.6 mass% [5][6][7][8]. However, temperatures higher than 300°C are required for the hydrogen desorption reaction, MgH 2 → Mg + H 2 , because of a thermodynamic restriction [1,3,9].…”
Section: Introductionmentioning
confidence: 99%