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Hydrogen storage compositions

United States Patent

7,927,507
April 19, 2011
View the Complete Patent at the US Patent & Trademark Office
Compositions for hydrogen storage and methods of making such compositions employ an alloy that exhibits reversible formation/deformation of BH.sub.4.sup.- anions. The composition includes a ternary alloy including magnesium, boron and a metal and a metal hydride. The ternary alloy and the metal hydride are present in an amount sufficient to render the composition capable of hydrogen storage. The molar ratio of the metal to magnesium and boron in the alloy is such that the alloy exhibits reversible formation/deformation of BH.sub.4.sup.- anions. The hydrogen storage composition is prepared by combining magnesium, boron and a metal to prepare a ternary alloy and combining the ternary alloy with a metal hydride to form the hydrogen storage composition.
Li; Wen (El Segundo, CA), Vajo; John J. (West Hills, CA), Cumberland; Robert W. (Malibu, CA), Liu; Ping (Irvine, CA)
HRL Laboratories, LLC (Malibu, CA)
12/ 404,201
March 13, 2009
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with government support under grant number TD0H641 awarded by the Department of Energy. The government has certain rights in this application.