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Improvement of hydrogen storage characteristics of Mg by planetary ball milling under H<sub>2</sub> with metallic element(s) and/or Fe<sub>2</sub>O<sub>3</sub>
SONG, Myoung-Youp
Division of Advanced Materials Engineering, Research Center of Advanced Materials Development
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Division of Advanced Materials Engineering, Research Center of Advanced Materials Development
SONG, Myoung-Youp
Division of Advanced Materials Engineering, Research Center of Advanced Materials Development
< Leer menos
Division of Advanced Materials Engineering, Research Center of Advanced Materials Development
Idioma
en
Article de revue
Este ítem está publicado en
International Journal of Hydrogen Energy. 2011, vol. 36, n° 5, p. 3521-3528
Elsevier
Resumen en inglés
Among samples of Mg-Ni, Mg-Ni-5Fe<sub>2</sub>O<sub>3</sub>, and Mg-Ni-5Fe, Mg-Ni-5Fe had the highest hydriding and dehydriding rates. For the as-milled Mg-Ni-5Fe alloy and the hydrided Mg-Ni-5Fe alloy after activation, the ...Leer más >
Among samples of Mg-Ni, Mg-Ni-5Fe<sub>2</sub>O<sub>3</sub>, and Mg-Ni-5Fe, Mg-Ni-5Fe had the highest hydriding and dehydriding rates. For the as-milled Mg-Ni-5Fe alloy and the hydrided Mg-Ni-5Fe alloy after activation, the weight percentages of the constituent phases were calculated using the FullProf program. The creation of defects and the diminution of Mg particle size through reactive mechanical grinding and hydriding-dehydriding cycling, and the formation of the Mg<sub>2</sub>Ni phase are considered to increase the hydriding and dehydriding rates. Mg-14Ni-2Fe-2Ti-2Mo had higher hydriding and dehydriding rates than did any of the other samples (Mg-Ni, Mg-Ni-5Fe<sub>2</sub>O<sub>3</sub>, Mg-Ni-5Fe, and Mg-14Ni-6Fe<sub>2</sub>O<sub>3</sub>) prepared in this work.< Leer menos
Palabras clave en inglés
H<sub>2</sub>-storage properties of Mg
Reactive mechanical grinding
Fe<sub>2</sub>O<sub>3</sub>
Metallic element
Hydride-forming element
Orígen
Importado de HalCentros de investigación