Morphological properties of nafion-TiOsub(2) composites prepared by solgel and casting

dc.creatorMATOS, B.R.
dc.creatorISIDORO, R.A.
dc.creatorSANTIAGO, E.I.
dc.creatorLINARDI, M.
dc.creatorTRAVERSA, E.
dc.creatorREY, J.F.Q.
dc.creatorFONSECA, F.C.
dc.creatorINTERNATIONAL CONFERENCE ON ADVANCED MATERIALS, 11th
dc.date2014-11-19T12:06:10Z
dc.date2014-11-19T14:07:13Z
dc.date2015-04-01T13:38:07Z
dc.date2014-11-19T12:06:10Z
dc.date2014-11-19T14:07:13Z
dc.date2015-04-01T13:38:07Z
dc.dateSeptember 20-25, 2009
dc.date.accessioned2023-09-28T12:58:40Z
dc.date.available2023-09-28T12:58:40Z
dc.identifierhttp://repositorio.ipen.br/handle/123456789/22862
dc.identifier.urihttps://repositorioslatinoamericanos.uchile.cl/handle/2250/8985939
dc.descriptionNafion-Titania composite membranes prepared either by casting or by sol-gel route have been studied as electrolytes for Proton Exchange Membrane Fuel Cell (PEM Fuel Cell) at high temperatures (130 ??C). Small angle x-ray scattering (SAXS), scanning electron microscopy (SEM), energy dispersive analysis using x-rays (EDAX) and impedance spectroscopy (IS) were employed to investigate the composite properties. The cast-composite membrane has a heterogeneous distribution of titania particles in the film, whereas the solgel-composite has a well-dispersion of the inorganic phase. The former composite have higher proton conductivity, while the latter has lower proton conduction, owing to the high tortuosity imposed by the dispersed insulator nanoparticles.
dc.rightsopenAccess
dc.subjecttitanium oxides
dc.subjectcomposite materials
dc.subjectsol-gel process
dc.subjectcasting
dc.subjectelectrolytes
dc.subjectproton exchange membrane fuel cells
dc.subjectmorphology
dc.subjectscanning electron microscopy
dc.subjectproton conductivity
dc.subjectimpedance
dc.subjectspectroscopy
dc.titleMorphological properties of nafion-TiOsub(2) composites prepared by solgel and casting
dc.typeResumo de eventos cient??ficos
dc.coverageI


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