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Enhanced Ion mobility in Aluminosilicate/Polysiloxane Network Polyelectrolytes

  • David P. Siska (a1) and Duward F. Shriver (a1)

Abstract

A new series of polysiloxane-based single-ion conductors was prepared. These contain solvating oligoether sidechains and covalently linked aluminosilicate or alkoxy/siloxy-aluminate anions attached to the polysiloxane backbone. Of these two systems, the polymers containing aluminosilicate [(SiO)4Al] anions show higher room temperature conductivities (10−6 S/cm) than those with alkoxy/siloxyaluminate [(SiO)2(CH2O)2A1] anions (10−7 S/cm). The incorporation of longer covalent tethers between the alkoxy/siloxyaluminate anion and the polymer backbone results in enhanced room temperature conductivities at high ion loadings. Differential scanning calorimetry data provide a rationale for the high conductivity.

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Enhanced Ion mobility in Aluminosilicate/Polysiloxane Network Polyelectrolytes

  • David P. Siska (a1) and Duward F. Shriver (a1)

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