Development of a planar mu DMFC operating at room temperature (Articolo in rivista)

Type
Label
  • Development of a planar mu DMFC operating at room temperature (Articolo in rivista) (literal)
Anno
  • 2011-01-01T00:00:00+01:00 (literal)
Alternative label
  • D'Urso C, Baglio V, Antonucci V, Arico A S, Specchia S, Icardi U A, Saracco G, Spinella C, D'Arrigo G (2011)
    Development of a planar mu DMFC operating at room temperature
    in International journal of hydrogen energy
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • D'Urso C, Baglio V, Antonucci V, Arico A S, Specchia S, Icardi U A, Saracco G, Spinella C, D'Arrigo G (literal)
Pagina inizio
  • 8088 (literal)
Pagina fine
  • 8093 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 36 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1. CNR ITAE, I-98126 Messina, Italy 2. Politecn Torino, Dept Mat Sci & Chem Engn, I-10129 Turin, Italy 3. HYSYLAB Environm Pk SA, I-10144 Turin, Italy 4. CNR IMM, I-95121 Catania, Italy (literal)
Titolo
  • Development of a planar mu DMFC operating at room temperature (literal)
Abstract
  • A co-planar micro Direct Methanol Fuel Cell (p.DMFC) configuration was designed, developed and tested. The system geometry consisted of anodic and cathodic micro-channels arranged in the same plane. Firstly, micro-channels for a uniform distribution of oxygen and methanol were designed and realized on a polymeric substrate of polycarbonate. Then, the deposition of the catalytic elements inside the micro-channels by a spray-coating technique was carried out. Micro-channels were then covered by a catalyzed membrane containing separate anode and cathode layers. Different cell configurations were built, tested and evaluated. It was observed that the open circuit voltage varied significantly as a function of the membrane humidification degree and distance between anode and cathode channels in this planar design. In the presence of a large distance between the anode and cathode channel, the OCV reached 0.97 V. This high OCV reflected the absence of methanol cross-over due to the specific planar configuration. Regrettably, the overall cell impedance (ohmic and polarization resistance) limited the performance. A maximum power density of 1.3 mW cm(-2) (active area) was achieved at room temperature with the smallest distance between anode and cathode (0.25 mm). (literal)
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