Abstract
Novel microporous activated carbon (MAC) with high surface area and pore volume has been synthesized by microwave heating. Iron oxide nanoparticles were loaded into MAC by using Fe(NO3)3·9H2O followed by microwave irradiation for up to five minutes. The surface modified microporous activated carbon was characterized by BET, XRD, SEM and thermogravimetric examinations. Adsorption data of H2 on the unmodified and modified MACs were collected with PCT method for a pressure range up to 120 bar at 303 K. Greater hydrogen adsorption was observed on the carbon adsorbents doped with 1.45 wt% of iron oxide nanoparticle loaded due to the joint properties of hydrogen adsorption on the carbon surface and the spill-over of hydrogen molecules into carbon structures.
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Moradi, S.E. Low-cost metal oxide activated carbon prepared and modified by microwave heating method for hydrogen storage. Korean J. Chem. Eng. 31, 1651–1655 (2014). https://doi.org/10.1007/s11814-014-0096-1
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DOI: https://doi.org/10.1007/s11814-014-0096-1