期刊
APPLIED SURFACE SCIENCE
卷 411, 期 -, 页码 476-486出版社
ELSEVIER
DOI: 10.1016/j.apsusc.2017.03.165
关键词
SBA-16; Iron nanoparticles; Copper nanoparticles; Hydrogen storage
类别
资金
- MDEIE-FQRNT
- FODAR-UQ (QC, Canada)
Nanoparticles of Cu degrees (CuNPs) and Fe degrees (FeNPs) were dispersed in SBA-16-like silica, resulting metal-loaded materials (Cu-SBA-16 and Fe-SBA-16) with improved affinity towards hydrogen. Electron microscopy and X-ray diffraction showed that MNP dispersion occurs mainly inside SBA-16 channels. MNP incorporation was found to confer affinity to the silica surface, since higher CO2 retention capacity (CRC) was registered Cu/SBA-16 and Fe/SBA-16. This was accompanied by a significant improvement of the affinity towards hydrogen, as supported by hydrogen adsorption tests. This was explained in terms of strong hydrogen interaction with MNP and lattice oxygen atoms. The results reported herein open new prospects for SBA-16 as potential adsorbents for hydrogen storage. (C) 2017 Elsevier B.V. All rights reserved.
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