http://www.cnr.it/ontology/cnr/individuo/prodotto/ID289473
Composites Membranes based on Nafion/PAMAM Dendrimers for PEFCs (Articolo in rivista)
- Type
- Label
- Composites Membranes based on Nafion/PAMAM Dendrimers for PEFCs (Articolo in rivista) (literal)
- Anno
- 2014-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.ijhydene.2014.04.081 (literal)
- Alternative label
A. Alvarez, C. Guzmán, S. Rivas, J. Ledesma-García, L. G. Arriaga, A. Saccà, A. Carbone, E. Passalacqua, (2014)
Composites Membranes based on Nafion/PAMAM Dendrimers for PEFCs
in International journal of hydrogen energy
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- A. Alvarez, C. Guzmán, S. Rivas, J. Ledesma-García, L. G. Arriaga, A. Saccà, A. Carbone, E. Passalacqua, (literal)
- Pagina inizio
- Pagina fine
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- Rivista
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- a Division de Investigacion y Posgrado, Facultad de Ingenier?a, Universidad Autonoma de Queretaro, 76010 Queretaro, Mexico
b Centro de Investigacion y Desarrollo Tecnologico en Electroqu?mica, 76703 Queretaro, Mexico
c CNR-ITAE, Istituto di Tecnologie Avanzate per l'Energia \"Nicola Giordano\", Via S. Lucia sopra Contesse,
5-98126 Messina, Italy
d Division Academica, Universidad Tecnologica de Corregidora, 76900 Queretaro, Mexico
e Unidad Academica de Ciencias Qu?micas, Universidad Autonoma de Zacatecas, Siglo XXI, 96160 Zacatecas, Mexico (literal)
- Titolo
- Composites Membranes based on Nafion/PAMAM Dendrimers for PEFCs (literal)
- Abstract
- The aim of this work consists in to incorporate organic compounds as PAMAM (Polyamidoamine)
dendrimers into the polymeric Nafion matrix to prepare composite membranes
as a possible alternative to reduce methanol crossover effect. Composite Nafion
membranes were prepared using a 3 wt% of Generation-4 hydroxyl-terminated PAMAM
(G4OH) dendrimers containing 64-terminal OH-functional groups. The influence of
PAMAM-(G4OH) dendrimer on chemicalephysical properties of the composite membrane
was highlighted resulting in a reduction of the methanol permeability (1.05 ? 10?6 cm2 s?1)
if compared to a recast bare Nafion membrane (8.19 ? 10?6 cm2 s?1), used as a reference.
Good proton conductivity was also observed for PAMAM-(G4OH) composite membrane.
The polarization curves carried out at 100 ?C in the presence of 2 M methanol have revealed
the higher performance of the PAMAM-(G4OH) membrane when compared to a recast
Nafion membrane. (literal)
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