Electrocatalysis of oxygen reduction at well-defined iron oxide electrodes

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A comparative study of O2 reduction on well defined iron oxides Fe3O4 and γ-FeOOH is presented. The Fe(III)/Fe(II) surface stoichiometry strongly depends on potential and determines the electronic conductivity and electron transfer rate to soluble redox species. A common feature of O2 reduction on b...

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Autor principal: Vago, E.R
Otros Autores: Calvo, E.J, Stratmann, M.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 1994
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PH
Acceso en línea:Registro en Scopus
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030 |a ELCAA 
100 1 |a Vago, E.R. 
245 1 0 |a Electrocatalysis of oxygen reduction at well-defined iron oxide electrodes 
260 |c 1994 
270 1 0 |m Vago, E.R.; INQUIMAE, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellon 2, Ciudad Universitaria, 1428 Buenos Aires, Argentina 
506 |2 openaire  |e Política editorial 
504 |a Calvo, Schiffrin, (1988) J. electroanal. Chem., 243, p. 171 
504 |a Zečevič, Dražić, Gojković, Oxygen reduction on iron (1989) Journal of Electroanalytical Chemistry and Interfacial Electrochemistry, 265, p. 179 
504 |a Schultze, Mohr, Lohrengel, (1983) J. electroanal. Chem., 154, p. 57 
504 |a Vago, Calvo, (1992) J. electroanal. Chem., 339, p. 41 
504 |a Stratmann, Müller, (1994) Corros. Sci., 36, p. 327 
504 |a Pourbaix, (1974) Atlas of Electrochemical Equilibria, , Nace 
504 |a Hashimoto, Cohen, (1974) J. electrochem. Soc., 121, p. 37 
504 |a Stimming, (1982) J. electroanal. Chem., 136, p. 345 
504 |a Feser, Stratmann, (1991) Werkstoffe und Korrosion, 42, p. 187 
504 |a O'Sullivan, Calvo, (1987) Comprehensive Chemical Kinetics, 27, p. 347. , R. Compton, Elsevier, Chap. 3 
504 |a Cohen, Hashimoto, The Cathodic Reduction of Gamma-FeOOH, Gamma-Fe[sub 2]O[sub 3], and Oxide Films on Iron (1974) Journal of The Electrochemical Society, 121, p. 42 
504 |a Stratmann, Hoffmann, (1989) Corros. Sci., 29, p. 1329 
504 |a Lohrengel, Richter, Schultze, Formation and properties of sandwich oxides (1979) Berichte der Bunsengesellschaft für physikalische Chemie, 83, p. 490 
504 |a Allen, Hampson, Tyson, Bignold, (1979) Surf. Tech., 9, p. 395 
504 |a Haruyama, Masamura, (1978) Corros. Sci., 18, p. 263 
504 |a Zagal, Bindra, Yeager, (1980) J. electrochem. Soc., 127, p. 1506 
504 |a Sawaguchi, Matsue, Itaya, Uchida, (1991) Electrochim. Acta, 36, p. 703 
504 |a Stratmann, Bohnenkamp, Engel, (1983) Corros. Sci., 23, p. 969 
504 |a Mason, Bowen, (1981) Amer. Cer. Soc., 64, p. 237 
504 |a McIntyre, Kinetics of electrode processes with coupled heterogenous chemical catalytic reactions (1967) The Journal of Physical Chemistry, 71, p. 1196 
504 |a McIntyre, (1969) J. phys. Chem., 73, p. 4102 
504 |a McIntyre, (1969) J. phys. Chem., 73, p. 4111 
504 |a Vesovic, Anastasijevic, Adzic, (1987) J. electroanal. Chem., 218, p. 53 
520 3 |a A comparative study of O2 reduction on well defined iron oxides Fe3O4 and γ-FeOOH is presented. The Fe(III)/Fe(II) surface stoichiometry strongly depends on potential and determines the electronic conductivity and electron transfer rate to soluble redox species. A common feature of O2 reduction on both oxides is the occurrence of Fe2+ surface sites simultaneous to O2 reduction, which is necessary for the specific interaction between Fe(II) and O2. The electrocatalytic differences for γ-FeOOH and Fe3O4 are related to differences in oxide structure and different structure of the oxide-electrolyte interface. © 1994.  |l eng 
536 |a Detalles de la financiación: Acknowledgement-Twhoisrk has been supported by the Volkswagen-Stiftung as part of the partnership program. This assistancei s gratefully acknowledged. 
593 |a INQUIMAE, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Pabellon 2, Ciudad Universitaria, 1428 Buenos Aires, Argentina 
593 |a Max-Planck Institut für Eisenforschung, Max-Planck Strasse 1, 4000 Düsseldorf, Germany 
690 1 0 |a ELECTROCATALYSIS 
690 1 0 |a IRON OXIDE 
690 1 0 |a OXYGEN 
690 1 0 |a PEROXIDE 
690 1 0 |a CATALYSIS 
690 1 0 |a COMPOSITION 
690 1 0 |a ELECTRIC CONDUCTIVITY 
690 1 0 |a ELECTROCHEMISTRY 
690 1 0 |a ELECTRODES 
690 1 0 |a ELECTROLYTES 
690 1 0 |a INTERFACES (MATERIALS) 
690 1 0 |a IRON OXIDES 
690 1 0 |a OXYGEN 
690 1 0 |a PEROXIDES 
690 1 0 |a STRUCTURE (COMPOSITION) 
690 1 0 |a CYCLIC VOLTAMMETRY 
690 1 0 |a ELECTROCATALYSIS 
690 1 0 |a ELECTRONIC CONDUCTIVITY 
690 1 0 |a ROTATING DISC ELECTRODES 
690 1 0 |a SOLUBLE REDOX SPECIES 
690 1 0 |a SURFACE STOICHIOMETRY 
690 1 0 |a X RAY PHOTOELECTRON SPECTROSCOPY 
690 1 0 |a REDUCTION 
650 1 7 |2 spines  |a PH 
700 1 |a Calvo, E.J. 
700 1 |a Stratmann, M. 
773 0 |d 1994  |g v. 39  |h pp. 1655-1659  |k n. 11-12  |p Electrochim Acta  |x 00134686  |w (AR-BaUEN)CENRE-12  |t Electrochimica Acta 
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