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Kinetics of intermediate phase growth at the interface of fluoride-conducting solid electrolytes with metal electrodes
Authors:M S Turaeva  I V Tarasenkova  O V Glumov  I V Murin
Institution:19813. Agrophysical Institute, Grazhdanskii pr. 14, St. Petersburg, 195220, Russia
29813. St. Petersburg State University, Universitetskii pr. 2, St. Petersburg, 198904, Russia
Abstract:The effect of the reference electrode (Ag, AgCl∣KF + KCl or Sn, SnF2) on the kinetics of new phase growth at interfaces formed by LaF3:Eu2+ or CeF3:Sr2+ single crystal solid electrolytes with metal electrodes of Ag and Bi is studied by chronoamperometry and linear scan voltammetry. It is shown that when a solid-phase reference electrode is used, the current transients reflect hindrances associated with instantaneous two- or three-dimensional nucleation as well as limitations for fluoride ion diffusion in the solid electrolyte.
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