Hydrogen absorption/desorption reactions of the (TiVNb)85Cr15 multicomponent alloy

  • Silva, Bruno,
  • Zlotea, Claudia
  • Vaughan, Gavin
  • Champion, Yannick
  • Botta, Walter,
  • Zepon, Guilherme
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Publication date
January 2022
Publisher
Elsevier BV

Abstract

International audienceTi-V-Nb-Cr alloys have been reported as potential candidates for hydrogen storage applications. Investigating the processes of absorption and desorption is paramount to understand the hydrogen storage properties of these novel alloys and to develop more efficient hydrogen storage materials. In this work, we investigated the hydrogen absorption/desorption reactions of the (TiVNb)85Cr15 BCC multicomponent alloy by laboratory and synchrotron X-ray diffraction, Pair Distribution Function (PDF) analyses, Transmission Electron Microscopy (TEM) and thermo-desorption analyses (TDS). Hydrogen absorption behavior was studied by pressure-composition-isotherm (PCI) at room temperature, which demonstrated levels of absorption aroun...

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