title: Synthesis of carbon nanotube-TiO(2) nanotubular material for reversible hydrogen storage.
abstract: A material consisting of multi-walled carbon nanotubes (MWCNTs) and larger titania (TiO(2)) nanotube arrays has been produced and found to be efficient for reversible hydrogen (H(2)) storage. The TiO(2) nanotube arrays (diameter ∼60 nm and length ∼2-3 µm) are grown on a Ti substrate, and MWCNTs a few µm in length and ∼30-60 nm in diameter are grown inside these TiO(2) nanotubes using chemical vapor deposition with cobalt as a catalyst. The resulting material has been used in H(2) storage experiments based on a volumetric method using the pressure, composition, and temperature relationship of the storage media. This material can store up to 2.5 wt% of H(2) at 77 K under 25 bar with more than 90% reversibility.
authors.affiliation: Chemical and Materials Engineering, MS 388, University of Nevada Reno, NV 89557, USA.
authors.forename: Amrita
authors.initials: A
authors.lastname: Mishra
authors.forename: Subarna
authors.initials: S
authors.lastname: Banerjee
authors.forename: Susanta K
authors.initials: SK
authors.lastname: Mohapatra
authors.forename: Olivia A
authors.initials: OA
authors.lastname: Graeve
authors.forename: Mano
authors.initials: M
authors.lastname: Misra