Abstract
This paper investigates the effect of an electroplated Co–P catalyst on hydrogen generation kinetics from hydrolysis of NH 3BH 3. The Co–P catalyst is composed of an amorphous Co–P phase and Co nanoparticles. An increase in NH 3BH 3 concentration caused the hydrogen generation rate to increase dramatically. The Co–P catalyst shows a large hydrogen generation rate for 2 wt% NH 3BH 3 solution at 30 °C. This is 1.8 times higher than that of the Pt/C catalysts and 6 times higher than that of Ru catalysts. The activation energy for hydrolysis of NH 3BH 3 by the Co–P catalyst is calculated to be 22 kJ/mol, which is close to that of noble metal-based catalysts.
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