Synchrotron X-ray studies of Ti-doped NaAlH(sub 4)

Article Abstract:

Pure and Ti-doped NaAlH(sub 4) is investigated by synchrotron X-ray radiation and Rietveld method is used to study the possible substitution of Ti inside the NaAlH(sub 4) structure and/or the presence of vacancies. The study shows that there is no significant variation in the lattice parameter in the doped Na alanate with respect to the pure one, no significant substitution is found and there is no evidence for vacancy formation in Yi-doped Na alanate.

Science & research, Potassium & Sodium Compounds, Sodium & Sodium Compounds, Research, Crystals, Crystal structure, Sodium compounds, Structure, X-ray analysis

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Preparation of Ti-doped sodium aluminum hydride from mechanical milling of NaH/Al with off-the-shelf Ti powder

Article Abstract:

Ti-doped NaAlH4 can be directly prepared by mechanical milling a 1:1 mixture of NaH and Al together with a few mole percent of off-the-shelf metallic Ti powder under an argon or hydrogen atmosphere. A systematic method fot the preparation of Ti-doped NaAlH4 is presented.

Industrial inorganic chemicals, not elsewhere classified, Sodium Aluminum Compounds, Sodium Aluminum Hydride, Titanium compounds, Hydrides

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