Abstract

The polymer electrolyte PEO+AgNO 3 has been investigated by IR, optical absorption, DTA, electrical conductivity, mobility, and transport number measurements. The material is a mixed (ionic + electronic) conductor. The ionic conductivity is due to Ag + and anionic movement. The material properties change with time, mainly associated with an increased electronic conductivity due to reduction of Ag + in PEO lattice. The maximum electrical conductivity has been found to be ∼3 × 10 −7s cm −1 for the composition Ag + EO = 0.014 to 0.085.

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