Specific features of the structure of the electrical double layer on intermetallic compound Ag3Sn in aqueous surface-inactive electrolytesстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The behavior of a polycrystalline electrode of intermetallic compound Ag3Sn in aqueous NaF solutions is studied using an impedance method. At potentials of -1.3 to -0.6 V (SCE), the electrode may be viewed as ideally polarizable. The Gouy-Chapman-Stern-Grahame model quite satisfactorily describes capacitance curves obtained at various electrolyte concentrations. Experimental capacitance curves for an Ag3Sn electrode are compared with those for polycrystalline Ag and Sn electrodes renewed by cutting. Characteristics of an Ag3Sn electrode are unique and its capacitance curves cannot be simulated from the data for Ag and Sn electrodes within the known phenomenological approaches.