Oscillatory Convective Instability in a Ternary Electrolyte: Effect of the Electrode Reaction Rate |
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Authors: | Aleksandrov R. S. Grigin A. P. Davydov A. D. |
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Affiliation: | (1) Frumkin Institute of Electrochemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 117071, Russia |
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Abstract: | The effect the electrode reaction rate has on the oscillatory instability, which is induced by buoyancy forces in a solution containing univalent cations of two types and a common anion, is considered. It is shown that, at a decrease in the rate, the spectrum of acceptable fluctuations of concentrations of electroactive ions narrows down, thus raising the system's stability. Diagrams of nonequilibrium phase transitions are constructed for various ratios between diffusion coefficients for anions and cations. |
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