BIBIENNE, Thomas; GOSSELIN, Catherine; BOBET, Jean-Louis; HUOT, Jacques

doi:10.3390/app8071151

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BIBIENNE, Thomas
Institut de Recherche sur l'Hydrogène

GOSSELIN, Catherine
Institut de Recherche sur l'Hydrogène

BOBET, Jean-Louis
Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB]

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Applied Sciences. 2018, vol. 8, n° 7, p. 1151

Multidisciplinary digital publishing institute (MDPI)

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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.< Leer menos

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hydrogen storage

metal hydride

BCC alloys

ferrovanadium

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Replacement of vanadium by ferrovanadium in a Ti-based body centred cubic (BCC) alloy: towards a low-cost hydrogen storage material

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