Elsevier

Journal of Power Sources

Volume 66, Issues 1–2, May–June 1997, Pages 169-172
Journal of Power Sources

Short Communication
Characteristics of poly(ethylene oxide)-NaI polymer electrolyte and electrochemical cell performances

https://doi.org/10.1016/S0378-7753(96)02541-4Get rights and content

Abstract

Poly (ethylene oxide) (PEO)-NaI complexes with different sodium:oxygen ratios are prepared by the solution-casting method. The complex with Na+/O = 0.022 gives the highest conductivity, viz., 5.21 × 10−5 S cm−1. X-ray diffraction studies studies show that the sample with the highest electrical conductivity exhibits the smallest coherent length. This complex is used as an electrolyte for the fabrication of (metal) / PEO-NaI/(metal oxide) electrochemical cells. The open-circuit voltage of the fabricated cell with the best performance is 407 mV. The short-circuit current is about 14 μA.

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