Electrodeposited Tl2O3-matrix composites: II. Electrocatalysis of oxygen evolution reaction on Tl2O3/Co3O4 composites (Articolo in rivista)

Type
Label
  • Electrodeposited Tl2O3-matrix composites: II. Electrocatalysis of oxygen evolution reaction on Tl2O3/Co3O4 composites (Articolo in rivista) (literal)
Anno
  • 1998-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1149/1.1838302 (literal)
Alternative label
  • Musiani M.M.; Furlanetto F.; Guerriero, P. (1998)
    Electrodeposited Tl2O3-matrix composites: II. Electrocatalysis of oxygen evolution reaction on Tl2O3/Co3O4 composites
    in Journal of the Electrochemical Society; Electrochemical Society, Pennington [NJ] (Stati Uniti d'America)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Musiani M.M.; Furlanetto F.; Guerriero, P. (literal)
Pagina inizio
  • 555 (literal)
Pagina fine
  • 560 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://jes.ecsdl.org/content/145/2/555 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 145 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#pagineTotali
  • 6 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 2 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1,2 : IPELP CNR Corso Stati, 35127 Padova, Italy / 3 : ICTIMA CNR Corso Stati, 35127 Padova, Italy (literal)
Titolo
  • Electrodeposited Tl2O3-matrix composites: II. Electrocatalysis of oxygen evolution reaction on Tl2O3/Co3O4 composites (literal)
Abstract
  • The dependence of composition and morphology of Formula composites on the experimental variables chosen for their anodic deposition (i.e., concentration of Formula particles in suspension, electrode potential, electrolysis charge, and angular speed of the electrode) has been investigated. The composite layers have been tested as electrode materials for oxygen evolution from basic media, and found to be rather effective electrocatalysts characterized by the following features: overpotential (?) at j = 100 mA cm-2 ca. 475 mV, Tafel slope close to 60 mV decade-1, linear dependence of j on Formula . Significant electrocatalytic activity could be achieved with a Formula loading as low as 2?10-5 g cm-2. The electrode performance was maintained during a 14 day electrolysis carried out at room temperature with j = 100 mA cm-2. Partial reduction of the composite layer was found to activate the composite electrodes, by decreasing ? to ca. 415 mV (at j = 100 mA cm-2). However this activation was not long lasting. (literal)
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