Enhancing electrochemical methods for producing and regenerating alane by using electrochemical catalytic additive
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United States of America Patent
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Dec 26, 2017
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Aug 12, 2011
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Aug 9, 2007
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Abstract
A process of using an electrochemical cell to generate aluminum hydride (AlH3) and other high capacity hydrides is provided. The electrolytic cell uses an electro-catalytic-additive within a polar non-salt containing solvent to solubilize an ionic hydride such as NaAlH4 or LiAlH4. The resulting electrochemical process results in the formation of AlH3 adduct. AlH3 is obtained from the adduct by heating under vacuum. The AlH3 can be recovered and used as a source of hydrogen for the automotive industry. The resulting spent aluminum can be regenerated into NaAlH4 or LiAlH4 as part of a closed loop process of AlH3 generation.
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