Particle decoration in super critical fluid to improve the hydrogen sorption cyclability of magnesium

J. L. Bobet, C. Aymonier, D. Mesguich, F. Cansell, K. Asano, E. Akiba

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Hydrogen is now one of the potential vectors of energy for the future. To overcome the problems of hydrogen storage, many works are focused towards the development of new materials. In this paper, new composite materials Mg @ metal catalysts (Ni or Pd) are synthesized with an original route, the chemical fluid deposition process in supercritical fluids. The two studied materials (Mg @ Ni and Mg @ Pd) show the potentiality of the CFD route in supercritical fluids to decor surfaces with a structuration from the micrometer scale down to the nanometer one. Regarding hydrogen sorption, the catalytic effect of Ni is higher than the one of palladium. The cyclability is hugely improved with 'SCF materials' in comparison with ball milling ones because the catalysts stay always on the magnesium particle surface.

Original languageEnglish
Pages (from-to)250-254
Number of pages5
JournalJournal of Alloys and Compounds
Volume429
Issue number1-2
DOIs
Publication statusPublished - Feb 21 2007

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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