http://www.cnr.it/ontology/cnr/individuo/prodotto/ID55403
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)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Staiti P., Aricò A.S. , Baglio V. , Lufrano F. , Passalacqua E. , Antonucci V. (literal)
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- ISI Web of Science (WOS) (literal)
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- 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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