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Hydrogen storage composition and method [electronic resource].

Published
Aiken, S.C. : Westinghouse Savannah River Company, 2003.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Additional Creators
Westinghouse Savannah River Company and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
A hydrogen storage composition based on a metal hydride dispersed in an aerogel prepared by a sol-gel process. The starting material for the aerogel is an organometallic compound, including the alkoxysilanes, organometals of the form M(OR)x and MOxRy, where R is an alkyl group of the form C.sub.n H.sub.2n+1, M is an oxide-forming metal, n, x, and y are integers, and y is two less than the valence of M. A sol is prepared by combining the starting material, alcohol, water, and an acid. The sol is conditioned to the proper viscosity and a hydride in the form of a fine powder is added. The mixture is polymerized and dried under supercritical conditions. The final product is a composition having a hydride uniformly dispersed throughout an inert, stable and highly porous matrix. It is capable of absorbing up to 30 moles of hydrogen per kilogram at room temperature and pressure, rapidly and reversibly. Hydrogen absorbed by the composition can be readily be recovered by heat or evacuation.
Report Numbers
E 1.99:us 6528441
us 6528441
Other Subject(s)
Note
Published through SciTech Connect.
01/01/2003.
"us 6528441"
Heung, Leung K; Wicks, George G.
Funding Information
AC09-89SR18035
View MARC record | catkey: 14067644