High-conductivity solid copper ion conductors: the sulphonium halide-copper(I) halide systems
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The electrical conductivities of the copper (I) halide-sulphonium halide systems were measured and high conductivity copper ion conductors were found in the copper (I) iodide-1-methyl-1-thioniacyclohexane iodide (C5H10SCH3I) and copper (I) iodide-4-methyl-1, 4-oxathianium iodide (C4H8OSCH3I) systems. The dependence of electrical conductivity on the composition showed that the maximum conductivity appeared at 83.4 mol% CuI for these two systems. The highest conductivities of the systems, CuI-C5H10SCH3I and CuI-C4H8OSCH3I, were 1.4×10−3 and 7.2×10−4 (Ω cm)−1 at 25‡ C, respectively. The conduction in these systems was essentially ionic.
KeywordsCopper Physical Chemistry Electrical Conductivity Iodide Halide
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