Electrochemical oxygen uptake/release process on Ca doped Y-114 electrodes in aqueous solutions

Craia Joldes, Victor-Daniel and Dan, Mircea Laurentiu and Vaszilcsin, Nicolae and Kellenberger, Andrea and Duteanu, Narcis Mihai: Electrochemical oxygen uptake/release process on Ca doped Y-114 electrodes in aqueous solutions. Proceedings of the International Symposium on Analytical and Environmental Problems, (21). pp. 182-185. (2015)

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Abstract

In present study, the electrochemical characterization of Y0.5Ca0.5BaCo4O7 compound in aqueous solution: alkaline (1 molL-1 KOH) and neutral (0.5 mol L-1 Na2SO4) was followed, correlated with the study of oxygen intake/release process. The use of neutral aqueous solutions is an element of originality in electrochemical studies performed on this family of layered cobalt perovskites. Electrochemical behavior has been studied by cyclic voltammetry and chronoelectrochemical methods: chronoamperometry and chronocoulometry.

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