Mitigation of carbon deposits formation in intermediate temperature solid oxide fuel cells fed with dry methane by anode doping with barium (Articolo in rivista)

Type
Label
  • Mitigation of carbon deposits formation in intermediate temperature solid oxide fuel cells fed with dry methane by anode doping with barium (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.jpowsour.2009.01.096 (literal)
Alternative label
  • La Rosa, D. ; Sin, A. ; Faro, M. L. ; Monforte, G. ; Antonucci, V. ; Aricò, A. S. (2009)
    Mitigation of carbon deposits formation in intermediate temperature solid oxide fuel cells fed with dry methane by anode doping with barium
    in Journal of power sources (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • La Rosa, D. ; Sin, A. ; Faro, M. L. ; Monforte, G. ; Antonucci, V. ; Aricò, A. S. (literal)
Pagina inizio
  • 160 (literal)
Pagina fine
  • 164 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 193 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 1 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • CNR-ITAE, Via Salita Santa Lucia Sopra Contesse 5, I-98125 Messina, Italy ; Pirelli Labs S.p.A., Viale Sarca 222, I-20126 Milan, Italy (literal)
Titolo
  • Mitigation of carbon deposits formation in intermediate temperature solid oxide fuel cells fed with dry methane by anode doping with barium (literal)
Abstract
  • The effect of barium doping on a fuel cell anode consisting of a Ni0.53Cu0.47 alloy and gadolinia doped ceria cermet (50:50 wt.)was investigated in an intermediate temperature solid oxide fuel cell (IT-SOFC) fed with drymethane. IT-SOFCs containing thesamecathode-electrolyte configuration but equipped with different anodeswere compared in terms of performance, steady state operation, and formation of carbon deposits on the anode surface. After proper cell conditioning, similar maximum power densities of 284mWcm-2 and 310mWcm-2 were obtained in dry methane fuel at 750 oC for the anodic compositions with and without barium, respectively. The anode containing barium did not showsignificant carbon deposits after a 200 h time-study in dry methane whereas the anode without barium showed the presence of carbon deposits as evidenced by X-ray diffraction (XRD). Both anode formulations showed carbon deposits when exposed to dry CH4 in ex-situ experiments. The electrochemical profile recorded during the time-study was different in the two systems. In the absence of barium, a slowand progressive increase in performance as a function of timewas achieved. On the contrary, the Ba-doped anode achieved optimum performance in a short time. It is determined that the presence of barium reduces carbon deposition under fuel cell conditions and influences the electrochemical behaviour. (literal)
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