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Kim, Byung Hoon
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Enhancement of H-2 uptake due to morphological modulation in vanadium pentoxide foam

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Title
Enhancement of H-2 uptake due to morphological modulation in vanadium pentoxide foam
Author
Kim, Byung HoonYun, Yong JuHong, Won G.Kim, Chang HeeLee, Sang MoonYu, Han YoungKim, Hae Jin
Keywords
High pressure; Hydrogen storage capacities; Liquid nitrogen temperature; Sorption isotherms; Thermal-annealing; Vanadium pentoxide
Issue Date
201110
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, v.36, no.20, pp.12887 - 12891
Abstract
The high pressure H-2 sorption isotherms for vanadium pentoxide foam (VOF) were obtained at a liquid nitrogen temperature. The enhancement of hydrogen storage capacity occurred in as-prepared VOF (similar to 1.0 wt%) in contrast to that in pristine vanadium pentoxide (similar to 0.2 wt%). The maximum capacity of hydrogen storage (similar to 2.0 wt%) was achieved by thermal annealing at T-a = 623 K. The enhancement of hydrogen storage in VOF is attributed to the morphological modulation by thermal annealing.
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DOI
http://dx.doi.org/10.1016/j.ijhydene.2011.07.039
ISSN
0360-3199
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