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Sorption of hydrogen onto titanate nanotubes decorated with a nanostructured Cd3[Fe(CN)6]2 Prussian Blue analogue
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Al-Hajjaj, A. A., Zamora, B., Bavykin, D. V., Shah, Akeel A., Walsh, F. C. and Reguera, E. (2012) Sorption of hydrogen onto titanate nanotubes decorated with a nanostructured Cd3[Fe(CN)6]2 Prussian Blue analogue. International Journal of Hydrogen Energy, Vol.37 (No.1). pp. 318-326. doi:10.1016/j.ijhydene.2011.09.094 ISSN 0360-3199.
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Official URL: http://dx.doi.org/10.1016/j.ijhydene.2011.09.094
Abstract
Nanostructured films of cadmium hexacyanoferrate (III), Cd3[Fe(CN)6]2 have been deposited on the surface of titanate nanotubes (TiNT) by ion exchange with CdSO4, followed by reaction with K3[Fe(CN)6] in an aqueous suspension. The composite demonstrates a significantly higher hydrogen storage uptake than pure Cd3[Fe(CN)6]2 and TiNT. At a temperature of 77 K and a pressure 100 bar, the hydrogen uptake for the composite is approximately 12.5 wt %, whereas only 4.5 wt % and 4 wt % are achieved for the TiNT and Cd3[Fe(CN)6]2 respectively. Electron microscopy and infrared spectroscopy show that Cd3[Fe(CN)6]2 is uniformly distributed on the surface of the nanotubes forming a discontinuous nanostructured film with a well developed interface, which allows efficient interaction with the support. The possible reasons for the high uptake of hydrogen in the composite are discussed.
Item Type: | Journal Article | ||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TP Chemical technology |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||
Journal or Publication Title: | International Journal of Hydrogen Energy | ||||
Publisher: | Elsevier Ltd. | ||||
ISSN: | 0360-3199 | ||||
Official Date: | January 2012 | ||||
Dates: |
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Volume: | Vol.37 | ||||
Number: | No.1 | ||||
Number of Pages: | 9 | ||||
Page Range: | pp. 318-326 | ||||
DOI: | 10.1016/j.ijhydene.2011.09.094 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access | ||||
Funder: | Ministry of Higher Education and Scientific Research, Iraq (MOHESR), National Council for Science and Technology - CONACYT, Mexico | ||||
Grant number: | 11532/2008 (MOHESR), 206949/2009 (CONACYT) |
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