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Title: | Improving hydrogen storage in Ni-doped carbon nanospheres |
Authors: | Zubizarreta, Leire ![]() ![]() ![]() ![]() |
Keywords: | Hydrogen storage Carbon materials Nickel Spillover |
Issue Date: | 3-Mar-2009 |
Publisher: | Elsevier |
Citation: | International Journal of Hydrogen Energy (2009), doi: 10.1016/j.ijhydene.2009.01.040 |
Abstract: | The effect of nickel distribution and content in Ni-doped carbon nanospheres on hydrogen storage capacity under conditions of moderate temperature and pressure was studied. It was found that the nickel distribution, obtained by using different doping techniques and conditions, has a noticeable influence on hydrogen storage capacity. The samples with the most homogeneous nickel distribution, obtained by pre-oxidising the carbon nanospheres, displayed the highest storage capacity. In addition, storage capacity is influenced by the amount of nickel. It was found a higher storage capacity in samples containing 5 wt.% of Ni. This is due to the greater interactions between the nickel and the support that produce a higher activation of the solid through a spillover effect. |
Description: | 7 pages, 8 figures.-- Article in press. |
Publisher version (URL): | http://dx.doi.org/10.1016/j.ijhydene.2009.01.040 |
URI: | http://hdl.handle.net/10261/11285 |
DOI: | 10.1016/j.ijhydene.2009.01.040 |
ISSN: | 0360-3199 |
Appears in Collections: | (INCAR) Artículos |
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