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Open AccessFeature PaperArticle

Replacement of Vanadium by Ferrovanadium in a Ti-Based Body Centred Cubic (BCC) Alloy: Towards a Low-Cost Hydrogen Storage Material

1
Institut de Recherche sur l’Hydrogène, Université du Québec à Trois-Rivières, 3351 des Forges, Trois-Rivières, QC G9A-5H7, Canada
2
Université de Bordeaux, ICMCB, Métallurgie et Matériaux Fonctionnels, 87 Avenue du Dr Schweitzer, 33600 Pessac, France
*
Author to whom correspondence should be addressed.
Appl. Sci. 2018, 8(7), 1151; https://doi.org/10.3390/app8071151
Received: 28 May 2018 / Revised: 9 July 2018 / Accepted: 9 July 2018 / Published: 15 July 2018
(This article belongs to the Special Issue Solid State Hydrogen Generation and Storage)
We report here the effect on hydrogen sorption behavior of replacing vanadium by ferrovanadium (FeV) in Ti-V-Cr Body Centred Cubic (BCC) solid solution alloys. The compositions studied were Ti1.56V0.36Cr1.08 and Ti1.26V0.63Cr1.11. Both of the alloys were synthesized by melting with 4 wt % of Zr7Ni10 in order to enhance the first hydrogenation (i.e., activation) kinetics. The ferrovanadium substitution leads to the same microstructure as the vanadium pristine alloys and no significant change in the lattice parameters was found. However, a longer incubation time was observed in the activation process for the FeV substituted alloy. Finally, the replacement of vanadium by ferrovanadium did not have a noticeable impact on the hydrogen capacities, heat of formation, and entropy. View Full-Text
Keywords: hydrogen storage; metal hydride; BCC alloys; ferrovanadium hydrogen storage; metal hydride; BCC alloys; ferrovanadium
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Bibienne, T.; Gosselin, C.; Bobet, J.-L.; Huot, J. Replacement of Vanadium by Ferrovanadium in a Ti-Based Body Centred Cubic (BCC) Alloy: Towards a Low-Cost Hydrogen Storage Material. Appl. Sci. 2018, 8, 1151.

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