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Abstract:

Oxygen reduction on two well-defined iron oxide electrodes (γ-FeOOH and Fe3O4) shows deviations from linear Koutecky-Levich plots. These results can be explained by two limiting cases of the heterogeneous catalytic peroxide decomposition mechanism proposed by McIntyre (J. Phys. Chem., 71 (1967) 1196; J. Phys. Chem., 73 (1969) 4102). Recycling of oxygen by peroxide decomposition at the oxide surfaces depends on the relative magnitude of the peroxide decomposition rate (k4), the convective-diffusion flux (ZpW1 2) and the oxygen adsorption kinetics ( k2 k-2). © 1995.

Registro:

Documento: Artículo
Título:Oxygen electro-reduction on iron oxide electrodes: III. Heterogeneous catalytic H2O2 decomposition
Autor:Vago, E.R.; Calvo, E.J.
Filiación:INQUIMAE, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellon 2, Ciudad Universitaria, AR, 1428 Buenos Aires, Argentina
Palabras clave:Electro-reduction; Electrocatalysis; HCER; Oxygen
Año:1995
Volumen:388
Número:1-2
Página de inicio:161
Página de fin:165
DOI: http://dx.doi.org/10.1016/0022-0728(95)03860-J
Título revista:Journal of Electroanalytical Chemistry
Título revista abreviado:J Electroanal Chem
ISSN:00220728
CODEN:JECHE
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00220728_v388_n1-2_p161_Vago

Referencias:

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Citas:

---------- APA ----------
Vago, E.R. & Calvo, E.J. (1995) . Oxygen electro-reduction on iron oxide electrodes: III. Heterogeneous catalytic H2O2 decomposition. Journal of Electroanalytical Chemistry, 388(1-2), 161-165.
http://dx.doi.org/10.1016/0022-0728(95)03860-J
---------- CHICAGO ----------
Vago, E.R., Calvo, E.J. "Oxygen electro-reduction on iron oxide electrodes: III. Heterogeneous catalytic H2O2 decomposition" . Journal of Electroanalytical Chemistry 388, no. 1-2 (1995) : 161-165.
http://dx.doi.org/10.1016/0022-0728(95)03860-J
---------- MLA ----------
Vago, E.R., Calvo, E.J. "Oxygen electro-reduction on iron oxide electrodes: III. Heterogeneous catalytic H2O2 decomposition" . Journal of Electroanalytical Chemistry, vol. 388, no. 1-2, 1995, pp. 161-165.
http://dx.doi.org/10.1016/0022-0728(95)03860-J
---------- VANCOUVER ----------
Vago, E.R., Calvo, E.J. Oxygen electro-reduction on iron oxide electrodes: III. Heterogeneous catalytic H2O2 decomposition. J Electroanal Chem. 1995;388(1-2):161-165.
http://dx.doi.org/10.1016/0022-0728(95)03860-J