Evaluation of hydrogen storage characteristics of magnesium–misch metal alloys

Magnesium with different misch metal (Mm) concentration, from 10 to 30%, was investigated as a possible hydrogen storage medium. The materials were mechanically ball-milled and compressed into pellets for hydrogen storage evaluation. The experimental results showed high hydrogen storage capacity, ra...

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Veröffentlicht in:	Journal of alloys and compounds 2003-09, Vol.359 (1), p.225-229
Hauptverfasser:	Tran, Nick E., Ashraf Imam, M., Feng, C.R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Adsorption and desorption kinetics evaporation and condensation Applied sciences Ball-milling Condensed matter: structure, mechanical and thermal properties Diffractograph Direct energy conversion and energy accumulation Electrical engineering. Electrical power engineering Electrical power engineering Energy accumulation Energy storage systems, including capacitor banks Exact sciences and technology Hydrogen storage characteristics Magnesium–misch metal hydride Physics Scanning electron microscope (SEM) Solid-fluid interfaces Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties)
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Beschreibung
Zusammenfassung:	Magnesium with different misch metal (Mm) concentration, from 10 to 30%, was investigated as a possible hydrogen storage medium. The materials were mechanically ball-milled and compressed into pellets for hydrogen storage evaluation. The experimental results showed high hydrogen storage capacity, rapid hydriding and dehydriding kinetics, low degree of decrepitation, and high cyclic stability after several hydriding–dehydriding cycles at high temperature and pressure.
ISSN:	0925-8388 1873-4669
DOI:	10.1016/S0925-8388(03)00176-2