<span style="font-size:10.0pt;font-family: "Times New Roman";mso-fareast-font-family:"Times New Roman";mso-bidi-font-family: Mangal;mso-ansi-language:EN-US;mso-fareast-language:EN-US;mso-bidi-language: HI" lang="EN-US">Ion transport characterization and cell potential discharge performance studie... (original) (raw)

2013

Abstract

354-357Ion transport in poly (ethylene oxide) based Solid Polymer Electrolyte (SPE) membranes: [(1-x)PEO: xAg(ClO4)], where x = 0, 2, 4, 6, 8, 10, 15, 20 wt. (%), has been studied. SPE films of uniform thickness ~100-150 mm have been casted by hot-press technique. The conductivity dependent on salt concentration has been measured and SPE film: [85PEO: 15 Ag (ClO4)] has been identified as Optimum Conducting Composition (OCC) with room temperature conductivity (s) ~ 5.64 10-6 S/cm. The characterization of materials and ion transport properties in SPE OCC film have been done. In order to understand the ion transport mechanism, conductivity (σ), total ionic transference number (tion) and cation (Ag+) transport number (<i style="mso-bidi-font-style: normal">t+) have been determined using <i style="mso-bidi-font-style: normal">ac impedance, dc polarization and combined ac/dc techniques, respectively. The temperature dependent conductivity has also been meas...

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