METHOD FOR GENERATING HYDROGEN FROM A NITROGEN CONTAINING BORANE COMPOUND AND ACTIVE METAL BOROHYDRIDE MIXTURE

A method for generating hydrogen from a mixture of nitrogen containing borane compound and active metal borohydride reactants uses a catalyst-free water vapor driven hydrothermolysis process. The method involves mechanically mixing a selected ratio of nitrogen containing borane compound such as ammo...

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Hauptverfasser: PEI, Pei, KJEANG, Erik, CANNON, Mark, QUAN, Grace
Format: Patent
Sprache:eng
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Zusammenfassung:A method for generating hydrogen from a mixture of nitrogen containing borane compound and active metal borohydride reactants uses a catalyst-free water vapor driven hydrothermolysis process. The method involves mechanically mixing a selected ratio of nitrogen containing borane compound such as ammonia borane and an active metal borohydride such as sodium borohydride to produce a mixture, combining the mixture with a water vapor source, and heating the mixture and water vapor source to a temperature within a near ambient temperature range of 30° C. to 104° C., until a product gas comprising hydrogen is released. The heating can be at a constant temperature or at increasing temperatures. Water vapor and impurities are removed from the product gas to produce purified hydrogen gas.