Abstract
A N-doped microporous carbon was synthesized by using NaY as a hard template and acetonitrile as the carbon and nitrogen precursor. The hydrogen storage measurements indicated that the N-doped microporous carbon had an 18% higher storage capacity than the pure carbon with a similar surface area. Furthermore, hydrogen storage via spillover was studied on a sample comprising Pt supported on N-doped microporous carbon, and a storage capacity of 1.26 wt % at 298 K and 10 MPa was obtained, showing an enhancement factor of 2.4 by spillover. In addition, the Pt/N-doped microporous carbon exhibited 1.46 times the storage capacity of Pt/microporous carbon. Significantly higher heats of adsorption were obtained on the N-doped microporous carbon samples than that on undoped carbons for both H2 adsorption and adsorption by spillover. The experimental results were consistent with the theoretical calculations from the literature.
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