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Kinetics of chlorine evolution on dimensionally stable anodes at high currents: Extending the concept of a self-accelerating electrode process

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Abstract

The chlorine evolution kinetics are studied by taking steady-state polarization measurements on rotating disc electrodes (dimensionally stable ones and those made of RuO2) in solutions with various chloride concentration, at various acidity and temperatures, at current densities of up to 4 A/cm2. At high temperatures and chloride concentrations, linear parts with an abnormally low slope of about 20 mV are observed in anodic polarization curves. Their appearance is attributed to the chlorine reaction self-acceleration due to a change in the chlorine mass transport mechanism in the anode’s porous coating.

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Evdokimov, S.V. Kinetics of chlorine evolution on dimensionally stable anodes at high currents: Extending the concept of a self-accelerating electrode process. Russ J Electrochem 36, 236–239 (2000). https://doi.org/10.1007/BF02827966

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  • DOI: https://doi.org/10.1007/BF02827966

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