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Hydrogen storage material and process using graphite additive with metal-doped complex hydrides

United States Patent

June 10, 2008
View the Complete Patent at the US Patent & Trademark Office
Savannah River National Laboratory - Visit the Technology Transfer Website
A hydrogen storage material having improved hydrogen absorbtion and desorption kinetics is provided by adding graphite to a complex hydride such as a metal-doped alanate, i.e., NaAlH.sub.4. The incorporation of graphite into the complex hydride significantly enhances the rate of hydrogen absorbtion and desorption and lowers the desorption temperature needed to release stored hydrogen.
Zidan; Ragaiy (Aiken, SC), Ritter; James A. (Lexington, SC), Ebner; Armin D. (Lexington, SC), Wang; Jun (Columbia, SC), Holland; Charles E. (Cayce, SC)
Westinghouse Savannah River Co. (Aiken, SC), University of South Carolina (Columbia, SC)
10/ 894,301
July 19, 2004
STATEMENT AS TO RIGHTS TO INVENTIONS MADE UNDER FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT This invention was made with Government support under Contract No. DE-AC0996-SR18500 awarded by the United States Department of Energy. The Government has certain rights in the invention.