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Destabilized and catalyzed borohydride for reversible hydrogen storage

United States Patent

February 28, 2012
View the Complete Patent at the US Patent & Trademark Office
Savannah River National Laboratory - Visit the Technology Transfer Website
A process of forming a hydrogen storage material, including the steps of: providing a borohydride material of the formula: M(BH.sub.4).sub.x where M is an alkali metal or an alkaline earth metal and 1.ltoreq.x.ltoreq.2; providing an alanate material of the formula: M.sub.1(AlH.sub.4).sub.x where M.sub.1 is an alkali metal or an alkaline earth metal and 1.ltoreq.x.ltoreq.2; providing a halide material of the formula: M.sub.2Hal.sub.x where M.sub.2 is an alkali metal, an alkaline earth metal or transition metal and Hal is a halide and 1.ltoreq.x.ltoreq.4; combining the borohydride, alanate and halide materials such that 5 to 50 molar percent from the borohydride material is present forming a reaction product material having a lower hydrogen release temperature than the alanate material.
Mohtadi; Rana F. (Northville, MI), Zidan; Ragaiy (Aiken, SC), Gray; Joshua (Aiken, SC), Stowe; Ashley C. (Knoxville, TN), Sivasubramanian; Premkumar (Aiken, SC)
Toyota Motor Engineering & Manufacturing North America, Inc. (Erlanger, KY), U.S. Department of Energy (Washington, DC)
12/ 575,557
October 8, 2009
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.