PtCo catalyst with modulated surface characteristics for the cathode of direct methanol fuel cells (Articolo in rivista)

Type
Label
  • PtCo catalyst with modulated surface characteristics for the cathode of direct methanol fuel cells (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.2013.12.015 (literal)
Alternative label
  • Baglio, V.; D'Urso, C.; Sebastian, D.; Stassi, A.; Arico, A. S. (2014)
    PtCo catalyst with modulated surface characteristics for the cathode of direct methanol fuel cells
    in International journal of hydrogen energy
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Baglio, V.; D'Urso, C.; Sebastian, D.; Stassi, A.; Arico, A. S. (literal)
Pagina inizio
  • 5399 (literal)
Pagina fine
  • 5405 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 39 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 7 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 10 (literal)
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR ITAE Inst (literal)
Titolo
  • PtCo catalyst with modulated surface characteristics for the cathode of direct methanol fuel cells (literal)
Abstract
  • A PtCo catalyst with an ordered cubic primitive structure was synthesized and investigated for the application as a cathode in direct methanol fuel cells. The synthesis involved the preparation of an amorphous PtOx/C precursor by the sulfite complex route, an impregnation with Co(NO3)(2), a high temperature (800 degrees C) carbothermal reduction and, finally, a leaching procedure. This method led to the occurrence of a Pt3Co/C catalyst with a primitive cubic ordered (L1(2)) phase and a mean crystallite size of 3.3 nm, as well as a suitable degree of alloying. This electrocatalyst was investigated for the oxygen reduction reaction in a direct methanol fuel cell (DMFC) operating in the range 30-90 degrees C. At 60 degrees C, under atmospheric pressure, a maximum power density of 40 mW cm(-2) was obtained with the new PtCo catalyst formulation at low noble metal loading on the electrode (1 mg cm(-2)). This performance was 2.3 times higher than a benchmark Pt catalyst used for comparison. Copyright (C) 2013, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved. (literal)
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