Abstract
Polymer template-Ru composite (Ru/IR-120) catalyst was prepared using a simple and fast method for generating hydrogen from an aqueous alkaline NaBH 4 solution. The hydrogen generation rate was determined as a function of solution temperature, NaBH 4 concentration, and NaOH (a base-stabilizer) concentration. The maximum hydrogen generation rate reached 132 ml min −1 g −1 catalyst at 298 K, using a Ru/IR-120 catalyst that contained only 1 wt.% Ru. The catalyst exhibits a quick response and good durability during the hydrolysis of alkaline NaBH 4 solution. The activation energy for the hydrogen generation reaction was determined to be 49.72 kJ mol −1.
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