ISSN:
1662-9752
Source:
Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
Topics:
Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
Notes:
Hydrogen, being a regenerative and environmentally harmless fuel, can play a crucialrole in the energetic scenario of the near future. In recent years several systems for solid-statehydrogen storage have been investigated, among which a few metals and metal alloys show themost promising properties. Mg and Mg-based micro and nanocomposites are widely studied for thisapplication owing to the high gravimetric storage capacity, even if a proper microstructure, mainlyat the material surface, has to be setup in order to overtake kinetic constraints often related to thehigh surface reactivity. In this paper, we present our approach to this problem and report the mainfindings. We have examined the influence on hydrogenation/dehydrogenation characteristics ofdifferent modifications of the bulk and surface microstructure of MgH2 powders processed by ballmilling, which appears to be one the most useful methods for preparing powders suitable forhydrogen storage
Type of Medium:
Electronic Resource
URL:
http://www.tib-hannover.de/fulltexts/2011/0528/02/17/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.555.335.pdf
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