Catalysing effect of intermetallic compounds on hydrogen desorption kinetics in cast magnesium alloys

Cho, Young Hee and Dahle, Arne K. (2010). Catalysing effect of intermetallic compounds on hydrogen desorption kinetics in cast magnesium alloys. In: Jian-Feng Nie and Allan Morton, Proceedings of: PRICM 7: Selected peer reviewed papers from the Seventh Pacific Rim International Conference on Advanced Materials and Processing. 7th Pacific Rim International Conference on Advanced Materials and Processing, PRICM-7, Cairns, QLD, Australia, (2863-2866). 2-6 August 2010. doi:10.4028/www.scientific.net/MSF.654-656.2863

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Author Cho, Young Hee
Dahle, Arne K.
Title of paper Catalysing effect of intermetallic compounds on hydrogen desorption kinetics in cast magnesium alloys
Conference name 7th Pacific Rim International Conference on Advanced Materials and Processing, PRICM-7
Conference location Cairns, QLD, Australia
Conference dates 2-6 August 2010
Proceedings title Proceedings of: PRICM 7: Selected peer reviewed papers from the Seventh Pacific Rim International Conference on Advanced Materials and Processing   Check publisher's open access policy
Journal name Materials Science Forum   Check publisher's open access policy
Place of Publication Zurich, Switzerland
Publisher Trans Tech Publications
Publication Year 2010
Sub-type Fully published paper
DOI 10.4028/www.scientific.net/MSF.654-656.2863
Open Access Status
ISBN 9780878492558
0878492550
ISSN 0255-5476
1422-6375
0250-9776
Editor Jian-Feng Nie
Allan Morton
Volume 654-656
Start page 2863
End page 2866
Total pages 4
Language eng
Formatted Abstract/Summary
Magnesium based hydrogen storage materials were prepared by a conventional melting and casting technique. Characterisation of microstructure and hydrogen sorption properties of the alloys was carried out. Additions of Al, Cu and Ni lead to the formation of eutectic mixtures, Mg-Mg17Al12, Mg-Mg2Cu and Mg-Mg2Ni, respectively, with an inter-lamellar spacing of a few hundred nanometers. 3d and 4d transition metals were also added to Mg based alloys and were found to form intermetallic compounds that were homogeneously dispersed in the alloys. The dehydrogenation rate of the Mg alloys was quantitatively analysed in order to determine the rate-limiting step for the hydrogen desorption kinetics. The catalysing role of each intermetallic compound for the hydrogen desorption kinetics is further discussed.
© (2010) Trans Tech Publications.
Keyword Hydrogen sorption kinetics
Hydrogen storage
Intermetallic compound
Magnesium alloy
Q-Index Code E1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Presented during Symposium L: "Energy Generation, Harvesting and Storage Materials: Hydrogen Storage I".

 
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Created: Fri, 25 Feb 2011, 03:27:08 EST by Dr Young-hee Cho on behalf of Materials