Hydrogen desorption from ball milled MgH2 catalyzed with Fe
Апстракт
In order to obtain faster hydrogen sorption kinetics, MgH2-Fe nanocomposites were prepared by high-energy ball milling. The MgH2 decomposition was studied in samples obtained by changing in a systematic way both the catalyst amount and the degree of microstructural refinement. To this purpose, blends containing increasing Fe concentration have been ball milled in processing conditions able to impart different amount of structural defects. The resulting samples have been characterized by X-ray diffraction to investigate the microstructural features and the phase composition, while the powder morphology and the degree of catalyst dispersion were analyzed by scanning electron microscopy. Differential scanning calorimetry was carried out to characterize the hydrogen desorption behavior of these nanocomposites. Experimental results clearly show that the characteristics of the desorption process are dominated, among other factors, by the morphology of the catalyst dispersion, which in turns ...depends on the processing conditions and blend composition. In order to achieve low desorption temperatures the homogeneous catalyst dispersion in micron-size particles throughout the structure is required. This condition can be achieved by suitable tuning of the milling conditions and of the catalyst amount.
Извор:
European Physical Journal B. Condensed Matter and Complex Systems, 2005, 43, 1, 19-27
DOI: 10.1140/epjb/e2005-00023-9
ISSN: 1434-6028; 1434-6036
WoS: 000227645300003
Scopus: 2-s2.0-21144457727
Колекције
Институција/група
VinčaTY - JOUR AU - Bassetti, A AU - Bonetti, E AU - Pasquini, L AU - Montone, A AU - Grbović, Jasmina AU - Antisari, MV PY - 2005 UR - https://vinar.vin.bg.ac.rs/handle/123456789/2868 AB - In order to obtain faster hydrogen sorption kinetics, MgH2-Fe nanocomposites were prepared by high-energy ball milling. The MgH2 decomposition was studied in samples obtained by changing in a systematic way both the catalyst amount and the degree of microstructural refinement. To this purpose, blends containing increasing Fe concentration have been ball milled in processing conditions able to impart different amount of structural defects. The resulting samples have been characterized by X-ray diffraction to investigate the microstructural features and the phase composition, while the powder morphology and the degree of catalyst dispersion were analyzed by scanning electron microscopy. Differential scanning calorimetry was carried out to characterize the hydrogen desorption behavior of these nanocomposites. Experimental results clearly show that the characteristics of the desorption process are dominated, among other factors, by the morphology of the catalyst dispersion, which in turns depends on the processing conditions and blend composition. In order to achieve low desorption temperatures the homogeneous catalyst dispersion in micron-size particles throughout the structure is required. This condition can be achieved by suitable tuning of the milling conditions and of the catalyst amount. T2 - European Physical Journal B. Condensed Matter and Complex Systems T1 - Hydrogen desorption from ball milled MgH2 catalyzed with Fe VL - 43 IS - 1 SP - 19 EP - 27 DO - 10.1140/epjb/e2005-00023-9 ER -
@article{ author = "Bassetti, A and Bonetti, E and Pasquini, L and Montone, A and Grbović, Jasmina and Antisari, MV", year = "2005", abstract = "In order to obtain faster hydrogen sorption kinetics, MgH2-Fe nanocomposites were prepared by high-energy ball milling. The MgH2 decomposition was studied in samples obtained by changing in a systematic way both the catalyst amount and the degree of microstructural refinement. To this purpose, blends containing increasing Fe concentration have been ball milled in processing conditions able to impart different amount of structural defects. The resulting samples have been characterized by X-ray diffraction to investigate the microstructural features and the phase composition, while the powder morphology and the degree of catalyst dispersion were analyzed by scanning electron microscopy. Differential scanning calorimetry was carried out to characterize the hydrogen desorption behavior of these nanocomposites. Experimental results clearly show that the characteristics of the desorption process are dominated, among other factors, by the morphology of the catalyst dispersion, which in turns depends on the processing conditions and blend composition. In order to achieve low desorption temperatures the homogeneous catalyst dispersion in micron-size particles throughout the structure is required. This condition can be achieved by suitable tuning of the milling conditions and of the catalyst amount.", journal = "European Physical Journal B. Condensed Matter and Complex Systems", title = "Hydrogen desorption from ball milled MgH2 catalyzed with Fe", volume = "43", number = "1", pages = "19-27", doi = "10.1140/epjb/e2005-00023-9" }
Bassetti, A., Bonetti, E., Pasquini, L., Montone, A., Grbović, J.,& Antisari, M.. (2005). Hydrogen desorption from ball milled MgH2 catalyzed with Fe. in European Physical Journal B. Condensed Matter and Complex Systems, 43(1), 19-27. https://doi.org/10.1140/epjb/e2005-00023-9
Bassetti A, Bonetti E, Pasquini L, Montone A, Grbović J, Antisari M. Hydrogen desorption from ball milled MgH2 catalyzed with Fe. in European Physical Journal B. Condensed Matter and Complex Systems. 2005;43(1):19-27. doi:10.1140/epjb/e2005-00023-9 .
Bassetti, A, Bonetti, E, Pasquini, L, Montone, A, Grbović, Jasmina, Antisari, MV, "Hydrogen desorption from ball milled MgH2 catalyzed with Fe" in European Physical Journal B. Condensed Matter and Complex Systems, 43, no. 1 (2005):19-27, https://doi.org/10.1140/epjb/e2005-00023-9 . .