Issue 22, 2003
From the journal:

Physical Chemistry Chemical Physics

On the state of the titanium and zirconium in Ti- or Zr-doped NaAlH4 hydrogen storage material

Claudia Weidenthaler,*a   André Pommerin,a   Michael Felderhoff,a   Borislav Bogdanovića  and  Ferdi Schütha  

* Corresponding authors

a Max-Planck-Institut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, D-45470 Mülheim an der Ruhr, Germany
E-mail: weidenthaler@mpi-muelheim.mpg.de

Abstract

The state of the titanium and zirconium in metal doped NaAlH4 was studied by X-ray diffraction analysis and quantitative Rietveld refinements. For the Ti-doped system, Ti is present in a highly dispersed, X-ray amorphous phase together with metallic aluminium. After the extraction of NaAlH4, an Al–Ti alloy forms upon heating of the solid. For the Zr-doped system, an Al–Zr alloy forms already during the doping procedure and remains during the de- and rehydrogenation cycles.

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Article information

DOI
https://doi.org/10.1039/B309409J
Article type
Paper
Submitted
06 Aug 2003
Accepted
29 Sep 2003
First published
14 Oct 2003

Phys. Chem. Chem. Phys., 2003,5, 5149-5153

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On the state of the titanium and zirconium in Ti- or Zr-doped NaAlH4 hydrogen storage material

C. Weidenthaler, A. Pommerin, M. Felderhoff, B. Bogdanović and F. Schüth, Phys. Chem. Chem. Phys., 2003, 5, 5149 DOI: 10.1039/B309409J

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