Zobrazeno 1 - 10
of 152
pro vyhledávání: '"M. Vittori Antisari"'
Autor:
I. Di Sarcina, Marilena Re, M. Vittori Antisari, E. Pesce, F. De Pascalis, Amelia Montone, Michele Nacucchi, Daniele Mirabile Gattia
Publikováno v:
International Journal of Hydrogen Energy. 41:9834-9840
Heat management in hydrogen storage tanks is a mandatory issue in order to ensure high level performances both in terms of hydrogen release/uptake kinetics and storage capacity. Previous research has ascertained that powders tend to pack and sinter d
Autor:
Luca Pasquini, A. L. Fiorini, Elsa Callini, M. Vittori Antisari, Amelia Montone, Ennio Bonetti, Stefano Amadori
Publikováno v:
Materials Science and Engineering: A. :151-154
Mechanical spectroscopy is employed, in correlation with differential scanning calorimetry and hydrogen sorption analysis, to investigate the hydrogen desorption reaction in nanostructured magnesium hydride prepared by ball milling. The hydrogen deso
Publikováno v:
Journal of Alloys and Compounds. 509:S580-S583
The effect of hydrogen pressure and of reaction temperature on the phase transformation from Mg to MgH2 by exposure of Fe doped metallic Mg to hydrogen gas has been studied with the purpose of evaluating the importance of operative parameters on the
Publikováno v:
Scripta Materialia. 63:456-459
The rate-limiting step of the hydriding of catalysed Mg has been ascertained through a key experiment in which the density of nuclei of the product phase was artificially modified. The various microstructures observed allow accurate identification of
Autor:
Emanuela Filippo, Daniela Manno, Marilena Re, Alessandro Buccolieri, Antonio Serra, M. Vittori Antisari, M. Palmisano
Publikováno v:
Sensors and Actuators B: Chemical. 145:794-799
In this work, we report about the synthesis of silver–titanium dioxide nanostructures and their usage for building up thin films. We shows that nanoparticles of titania enveloped by very thin silver layer were obtained. In addition, these particles
Autor:
D. Mirabile Gattia, M. Vittori Antisari, Lúcia Brandão, Silvia Licoccia, Enrico Traversa, Alessandra D'Epifanio, Adélio Mendes, Renzo Marazzi
Publikováno v:
Materials Science Forum. :1106-1111
One of the factors limiting direct methanol fuel cells (DMFC) performance is the slow kinetics of methanol oxidation at the anode. The importance of the catalyst support for fuel cells has been recognized and different forms of carbon have been sugge
Publikováno v:
Scripta Materialia. 61:1064-1067
Scanning electron microscopy was used to support kinetic analysis in order to ascertain the physical mechanisms involved in the Mg–MgH2 phase transformation. Kinetic asymmetry in hydrogen absorption and desorption was explained by the different req
Publikováno v:
Materials and Manufacturing Processes
Polyvinylalcohol/graphite nanocomposites with graphite nanosheets have been prepared by a mechanical method based on grinding of graphite powder, under low energy pure shearing milling, using water or KOH as lubricant. The use of different lubricant
Autor:
D. Mirabile Gattia, Annalisa Aurora, Amelia Montone, Luciano Pilloni, M. Vittori Antisari, E. Todini, M. R. Mancini
Publikováno v:
Materials and Manufacturing Processes. 24:1058-1063
MgH2/Nb2O5 composite is one of the most promising candidates for the hydrogen delivery. The performances of these materials are usually improved by mechanical milling because a finer distribution of the catalyst and the induction of defects on the pa
Publikováno v:
Applied Surface Science. 254:1830-1836
In this work a method to densify ceramic coating obtained by electrophoresis and to improve its adhesion to the substrate is proposed. It consists in irradiating the coating surface by electron beam (EB). Alumina and alumina–zirconia coatings were