Sulfur encapsulated in single-walled carbon nanotubes for improved hydrogen storage Charles Brewster , Lui R. Terry, Sebastien Rochat and Valeska Ting University of Bristol, UK Hydrogen is certain to have a major impact on the future energy landscape. For decades, the promise of a sustainable, environmentally friendly energy vector and potential for cyclic fuel economy has excited the scientific community. Current technologies for hydrogen storage rely on pressures up to 100 MPa, cryogenic conditions (<20 K) or a combination of the two. Sulfur encapsulated within the narrow channels of Single-Walled Carbon Nanotubes (S@SWCNTs) represents a unique composite material hitherto unexplored for hydrogen storage. Interactions between sulfur and CNTs modulate the electronic properties of the host, thus offering insight into plausible methods for improving hydrogen sorption in porous nanocomposites.
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