Hybrid nafion-silica membranes doped with heteropolyacids for application in direct methanol fuel cells (Articolo in rivista)

Type
Label
  • Hybrid nafion-silica membranes doped with heteropolyacids for application in direct methanol fuel cells (Articolo in rivista) (literal)
Anno
  • 2001-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/S0167-2738(01)00919-5 (literal)
Alternative label
  • Staiti P., Aricò A.S. , Baglio V. , Lufrano F. , Passalacqua E. , Antonucci V. (2001)
    Hybrid nafion-silica membranes doped with heteropolyacids for application in direct methanol fuel cells
    in Solid state ionics (Print); Elsevier, Amsterdam (Paesi Bassi)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Staiti P., Aricò A.S. , Baglio V. , Lufrano F. , Passalacqua E. , Antonucci V. (literal)
Pagina inizio
  • 101 (literal)
Pagina fine
  • 107 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 145 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 7 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-ITAE, Istituto di Tecnologie Avanzate per l'Energia \"Nicola Giordano\", Messina (literal)
Titolo
  • Hybrid nafion-silica membranes doped with heteropolyacids for application in direct methanol fuel cells (literal)
Abstract
  • Nafion-silica composite membranes doped with phosphotungstic and silicotungstic acids have been investigated for application in direct methanol fuel cells at high temperature (145 degreesC). The phosphotungstic acid-based membrane showed better electrochemical characteristics at high current densities with respect to both silicotungstic acid-modified membrane and silica-Nafion membrane. A maximum power density of 400 mW cm(-2) was obtained at 145 degreesC in the presence of oxygen feed, whereas the maximum power density in the presence of air feed was approaching 250 mW cm(-2), The results indicate that the addition of inorganic hygroscopic materials to recast Nation extends the operating range of a direct methanol fuel cell. Operation at high temperatures significantly enhances the kinetics of methanol oxidation. (literal)
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