Abstract
Abstract In this study, the hydrogen absorption and desorption condition was investigated after partial substitution of commercial V–Fe alloy for Cr in TiCr 1.8 alloy and the hydrogen storage capacity of TiCr 1.8− X (VFe) X ( X =0, 0.2, 0.4, and 0.6) was examined. Results of pressure–composition isotherm (PCI) tests showed that the maximum hydrogen storage capacity increased with increasing V–Fe content. TiCr 1.2 (VFe) 0.6 had the highest maximum and reversible hydrogen storage capacity in the range of low temperature. X-ray diffraction (XRD) patterns of the alloys became simpler with the increase of V–Fe content. The crystal cell parameters increased simultaneously.
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