Desorption Behaviour in Nanostructured MgH2-Co

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The influence of the Co addition and synthesis route on desorption properties of MgH2 were investigated. Ball milling of MgH2-Co blends was performed under Ar using different milling intensities and different weight ratios. Microstructural and morphological characterization, performed by XRD and SEM, show a huge correlation with thermal stability and hydrogen desorption properties investigated by DSC. A complex desorption behaviour is correlated with the dispersion of the catalytic particles that appears to play a main role in desorption performances. The optimum catalyst concentration was found to be around 10 wt.%, while the optimum value of the ball to powder ratio was 10:1.

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Periodical:

Edited by:

Dragan P. Uskokovic, Slobodan K. Milonjic and Dejan I. Rakovic

Pages:

79-84

DOI:

10.4028/www.scientific.net/MSF.518.79

Citation:

A. Montone et al., "Desorption Behaviour in Nanostructured MgH2-Co ", Materials Science Forum, Vol. 518, pp. 79-84, 2006

Online since:

July 2006

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$35.00

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