Conductivity anisotropy of ...
|Title||Conductivity anisotropy of polyphosphazene-montmorillonite composite electrolytes|
|Author(s)||J. Hutchison, R. Bissessur, D. Shriver|
|Journal||Chemistry of Materials|
|Abstract||The conductivity of an ordered polyphosphazene Na+-montmorillonite composite has been measured perpendicular (sigma(para)) and parallel (sigma(perp)) to the montmorillonite layers, and the sigma(para)/sigma(perp) is about 100. The temperature dependence of the conductivity is consistent with a coupling between long-range Na+ movement and high-amplitude segmental motion of the polymer. The anisotropy is attributed to greater tortuosity of the Na+ diffusion perpendicular to the montmorillonite layers.|
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