caa a22 4500 477051936 CHVBK 20180405111341.0 cr unu---uuuuu 170330e19961101xx s 000 0 eng 10.1007/BF00243745 doi (NATIONALLICENCE)springer-10.1007/BF00243745 Electrocatalytic properties of ternary oxide mixtures of composition Ru0.3Ti(0.7− x )CexO2: oxygen evolution from acidic solution [Elektronische Daten] [L. De Faria, J. Boodts, S. Trasatti] Mixed oxide electrodes of general composition Ru0.3Ti(0.7−x)Ce x O2 were prepared by thermal decomposition of the respective chlorides using Ti as a support. x was varied between 0 and 70 mol %. Oxygen evolution was used as a model reaction to investigate the dependence of the electrocatalytic properties on oxide composition. Kinetics was studied by quasistationary current-potential curves and reaction order determination. A minimum Tafel slope of about 30 mV has been found in the 10-30% CeO2 composition range. On the basis of a zero reaction order at constant overpotential, a reaction mechanism has been proposed accounting for the composition dependence of the Tafel slope. It has been concluded that the replacement of TiO2 with CeO2 brings about an increase in the electrocatalytic activity for oxygen evolution, while the layer becomes more prone to mechanical erosion. Chapman & Hall, 1996 De Faria L. Instituto de Química de São Carlos, Universidade de São Paulo, Caixa Postal 369, 13560-970, São Carlos, S.P., Brazil aut Boodts J. FFCLRP, Departamento de Química, Universidade de São Paulo, Av. Bandeirantes 3900, 14040-901, Riheirdo Preto, S.P., Brazil aut Trasatti S. Department of Physical Chemistry and Electrochemistry, University of Milan, Via Venezian 21, 20311, Milan, Italy aut Journal of Applied Electrochemistry Kluwer Academic Publishers 26/11(1996-11-01), 1195-1199 0021-891X 26:11<1195 1996 26 10800 https://doi.org/10.1007/BF00243745 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF00243745 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- De Faria L. Instituto de Química de São Carlos, Universidade de São Paulo, Caixa Postal 369, 13560-970, São Carlos, S.P., Brazil aut NATIONALLICENCE 700 1- Boodts J. FFCLRP, Departamento de Química, Universidade de São Paulo, Av. Bandeirantes 3900, 14040-901, Riheirdo Preto, S.P., Brazil aut NATIONALLICENCE 700 1- Trasatti S. Department of Physical Chemistry and Electrochemistry, University of Milan, Via Venezian 21, 20311, Milan, Italy aut NATIONALLICENCE 773 0- Journal of Applied Electrochemistry Kluwer Academic Publishers 26/11(1996-11-01), 1195-1199 0021-891X 26:11<1195 1996 26 10800 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer