Abstract
The electrochemical behaviour of Co3O4 layers deposited by thermal decomposition of Co(NO3)2 at 200–500°C on titanium supports with and without an interlayer of RuO2 has been studied by cyclic voltammetry, chronopotentiometry and potential step experiments in alkaline solutions. Such variables as the calcination temperature, the solution pH, the potential sweep rate and the oxide loading have been investigated in detail to determine their influence on voltammetric peaks and voltammetric charge. Insight has been gained into the relevance of the latter to surface area determination and to proton diffusion into the oxide layer. The role of the support-active layer interface and especially that of the RuO2 interlayer has been scrutinized. The importance of surface studies for the understanding of the electrocatalytic behaviour of Co3O4 electrodes has been analysed.
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References
M. R. Tarasevich and B. N. Efremov, in ‘Electrodes of Conductive Metallic Oxides’, Part A (edited by S. Trasatti), Elsevier, Amsterdam (1980) p. 221.
V. S. Bagotsky, N. A. Shumilova and E. I. Khrushcheva,Electrochim. Acta 21 (1976) 916.
A. M. Trunov and V. A. Presnov,Elektrokhimiya 11 (1975) 77.
C. Iwakura, A. Honji and H. Tamura,Electrochim. Acta 26 (1981) 1319.
A. C. C. Tseung and S. Jasem,22 (1977) 31.
S. Trasatti,29 (1984) 1503.
B. N. Efremov and M. R. Tarasevich,Elektrokhimiya 17 (1981) 1672.
M. B. Konovalov, V. I. Bystrov and V. L. Kubasov,12 (1976) 1266.
D. L. Caldwell and M. J. Hazelrigg, in ‘Modern Chlor-alkali Technology’ (edited by M. O. Coulter), Ellis Horwood, Chichester (1980) p. 121.
R. Boggio, A. Carugati, G. Lodi and S. Trasatti,J. Appl. Electrochem. 15 (1985) 335.
R. A. Agapova and G. N. Kokhanov,Elektrokhimiya 12 (1976) 1649.
V. V. Shalaginov, D. M. Shub, N. V. Kozlova and V. N. Lomova,19 (1983) 537.
B. N. Efremov, M. R. Tarasevich, G. I. Zakharkin and S. R. Zhukov,14 (1978) 1504.
A. M. Khutornoi, G. I. Zakharkin and M. R. Tarasevich,Zh. Fiz. Khim. 50 (1976) 255.
B. N. Efremov, G. I. Zakharkin, S. R. Zukov and M. R. Tarasevich,Elektrokhimiya 14 (1978) 937.
B. N. Efremov, G. I. Zakharkin, M. R. Tarasevich and S. R. Zhukov,Zh. Fiz. Khim. 52 (1978) 1671.
D. M. Shub, A. N. Chemodanov and V. V. Shalaginov,Elektrokhimiya 14 (1978) 595.
I. D. Belova, Yu. E. Roginskaya, R. R. Shifrina, S. G. Gagarin, Yu. V. Plekhanov and Yu. N. Venevtsev,Solid State Comm. 47 (1983) 577.
N. V. Kozolova, V. V. Shalaginov, V. N. Lomova and D. M. Shub,Zh. Neorg. Khim. 28 (1984) 2455.
Ya. M. Kolotyrkin, I. D. Belova, Yu. E. Roginskaya, V. B. Kozhevnikov, D. S. Zakhar'in and Yu. N. Venevtsev,Mater. Chem. Phys. 11 (1984) 29.
R. Garavaglia, C. M. Mari and S. Trasatti,Surf. Technol. 23 (1984) 41.
C. Pirovano and S. Trasatti,J. Electroanal. Chem. 180 (1984) 171.
T. V. Andrushkevich, G. K. Boreskov, V. V. Popovskii, L. M. Plyasova, L. G. Karakchiev and A. A. Ostan'kovich,Kin. Katal. 9 (1968) 1244.
I. D. Belova, V. V. Shalaginov, B. Sh. Galyamov, Yu. E. Rosinskaya and D. M. Shub,Zh. Neorg. Khim. 23 (1978) 286.
R. Garavaglia, C. M. Mari, S. Trasatti and C. De Asmundis,Surf. Technol. 19 (1983) 197.
S. Valeri, G. Battaglin, G. Lodi and S. Trasatti,Coll. Surf. 19 (1986) 387.
R. J. Hill, J. R. Craig and G. V. Gibbs,Phys. Chem. Minerals 4 (1979) 317.
R. Garavaglia, Thesis, University of Milan (1980).
G. Lodi, G. Zucchini, A. De Battisti, E. Sivieri and S. Trasatti,Mater. Chem. 3 (1978) 179.
M. Pourbaix, ‘Atlas d'equilibres Electrochimiques’, Gauthiers-Villars, Paris (1963).
L. D. Burke, M. E. Lyons and O. J. Murphy,J. Electroanal. Chem. 132 (1982) 247.
L. D. Burke and O. J. Murphy,112 (1980) 379.
R. G. Keil,J. Electrochem. Soc. 133 (1986) 1375.
L. D. Burke, M. E. Lyons, E. J. M. O'Sullivan and D. P. Whelan,J. Electroanal. Chem. 122 (1981) 403.
S. Ardizzone, A. Carugati and S. Trasatti,126 (1981) 287.
G. Lodi, A. Daghetti and S. Trasatti,Mater. Chem. Phys. 8 (1983) 1.
L. I. Krishtalik,Electrochim. Acta 26 (1981) 329.
G. Lodi, E. Sivieri, A. De Battisti and S. Trasatti,J. Appl. Electrochem. 8 (1978) 135.
A. Carugati, G. Lodi and S. Trasatti,J. Electroanal. Chem. 143 (1983) 419.
S. Trasatti and G. Buzzanca,29 (1971) App. 1.
G. Battaglin, A. Carnera, G. Della Mea, G. Lodi and S. Trasatti,J. Chem. Soc. Faraday Trans. 81 (1985) 2995.
B. V. Tilak, C. G. Rader and S. K. Rangarajan,J. Electrochem. Soc. 124 (1977) 1879.
J. O'M. Bockris and T. Otagawa,124 (1977) 290.
S. Trasatti and G. Lodi in ‘Electrodes of Conductive Metallic Oxides’, Part A (edited by S. Trasatti), Elsevier, Amsterdam (1980) p. 301.
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Boggio, R., Carugati, A. & Trasatti, S. Electrochemical surface properties of Co3O4 electrodes. J Appl Electrochem 17, 828–840 (1987). https://doi.org/10.1007/BF01007821
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DOI: https://doi.org/10.1007/BF01007821