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We establish a new ionic conductivity model based on the Nernst–Einstein equation in which the diffusion coefficient is derived from modified double lattice-nonrandom-Pitzer–Debye–Hückel (MDL-NR-PDH) model. The proposed model takes into account the mobility of the salt and the motion of the polymer host simultaneously by expressing the effective chemical potential as the sum of chemical potentials...
Single ion conducting polymer electrolytes composed of poly(ethylene oxide) (PEO) and poly(lithium 4-styrenesulfonate) (PLSS) were prepared and characterized. Transference number of lithium ion in the blended polymer electrolyte was 0.85. For the blended polymer electrolytes under this study, the optimum concentration for maximum ionic conductivity was found to be [EO]/[Li] = 8.0.
The electrochemical stability behavior of the composite polymer electrolytes obtained by adding a fine Al 2 O 3 powder (activated acidic, neutral, and basic) with a diameter of 5.8 nm to the poly(ethylene oxide) (PEO)-LiClO 4 is described. The strong hydrogen bond between the surface group of Al 2 O 3 and lithium salt anion prevents the decomposition of lithium...
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