Mixed solid electrolytes based on poly(ethylene oxide)
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Polymer solid electrolytes from a PEO-NaI system were mixed with Nasicon and Al2O3 powders. As a result an increase of ionic conductivity exceeding 10−1 S/cm at room temperature was observed for both cases. This increase was due to a higher concentration of amorphous phase which resulted apparently from a higher nucleation rate during the solidification process. The samples were studied using impedance spectroscopy, X-ray diffraction, electron microscopy, NMR, and other techniques.
PACS66.30 61.10 64.60 82.45
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