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Preparation and hydrogenation characteristics of Mg–30 wt.% Ti37.5V25Cr37.5 composite

Hu, Y.Q., Yan, Cheng, Zhang, H.F., Ye, Lin, & Hu, Z.Q. (2004) Preparation and hydrogenation characteristics of Mg–30 wt.% Ti37.5V25Cr37.5 composite. Journal of Alloys and Compounds, 375(1-2), pp. 265-269.

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Abstract

AMg–30 wt.% Ti37.5V25Cr37.5 hydrogen storage compositewas successfully synthesized by reactive mechanical milling of a mixture of magnesium and Ti37.5V25Cr37.5 powder in a hydrogen atmosphere. The structural evolution during milling and after hydrogen absorption/desorption cycling was analyzed using XRD. The absorption/desorption rates and storage capacity at different temperatures were evaluated. By analysing the variation of the Avrami exponent, the hydrogenation mechanisms during milling process were also estimated. A large hydrogen storage capacity and excellent absorption/desorption kinetics were achieved in this composite.

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ID Code: 6837
Item Type: Journal Article
Keywords: Mg, based alloys, Hydrogen storage materials, Reactive ball milling, Catalyst, Absorption kinetics, Hydrogen absorbing materials, Metal hybrides, Mechanochemical processing, Gas–solid reactions
DOI: 10.1016/j.jallcom.2003.11.046
ISSN: 0925-8388
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ENVIRONMENTAL ENGINEERING (090700)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MATERIALS ENGINEERING (091200)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MATERIALS ENGINEERING (091200) > Metals and Alloy Materials (091207)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > AUTOMOTIVE ENGINEERING (090200)
Australian and New Zealand Standard Research Classification > TECHNOLOGY (100000) > NANOTECHNOLOGY (100700) > Nanotechnology not elsewhere classified (100799)
Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MATERIALS ENGINEERING (091200) > Metals and Alloy Materials (091207)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
Copyright Owner: Copyright 2004 Elsevier
Copyright Statement: Reproduced in accordance with the copyright policy of the publisher.
Deposited On: 03 Apr 2007
Last Modified: 29 Feb 2012 23:22

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