Journal
CATALYSTS
Volume 10, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/catal10091014
Keywords
hydrogen generation; silver nanoparticle networks; metal hydrides; hydrogen precursors
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The unsustainable nature of carbon-based fuels has prompted scientists and engineers to investigate alternative sources of energy. Silver nanoparticle networks (AgNPNs) were synthesized using beta-cyclodextrin for applications in hydrogen evolution reactions from sodium borohydride (NaBH4). The identities of the AgNPNs were confirmed using ultraviolet-visible spectroscopy, X-ray diffraction, and Transmission electron microscopy (TEM). The catalytic activity of the hydrogen evolution reactions was measured using a gravimetric water displacement system. The data collected show an increase in the efficiency of the hydrogen generation reaction with the addition of AgNPN. The silver nanoparticle network catalyst performed best at 22 degrees C with an increased concentration of NaBH(4)producing hydrogen at a rate of 0.961 mL center dot min(-1)center dot mL(cat)(-)(1). The activation energy was calculated to be 50.3 kJ/mol.
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