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Hydrogen storage materials and method of making by dry homogenation

United States Patent

October 29, 2002
View the Complete Patent at the US Patent & Trademark Office
Dry homogenized metal hydrides, in particular aluminum hydride compounds, as a material for reversible hydrogen storage is provided. The reversible hydrogen storage material comprises a dry homogenized material having transition metal catalytic sites on a metal aluminum hydride compound, or mixtures of metal aluminum hydride compounds. A method of making such reversible hydrogen storage materials by dry doping is also provided and comprises the steps of dry homogenizing metal hydrides by mechanical mixing, such as be crushing or ball milling a powder, of a metal aluminum hydride with a transition metal catalyst. In another aspect of the invention, a method of powering a vehicle apparatus with the reversible hydrogen storage material is provided.
Jensen; Craig M. (Kailua, HI), Zidan; Ragaiy A. (Honolulu, HI)
University of Hawaii (Honolulu, HI)
09/ 324,364
June 2, 1999
GOVERNMENT LICENSE RIGHTS This invention was made with Government support under Prime Contract No. DE-FC36-94AL85804 awarded by the Department of Energy. The Government has certain rights in this invention.