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Impedance and dielectric properties of nanocomposite polymer electrolyte systems modified with nano size MMT and ferroelectric fillers have been investigated for varying lithium to oxygen ratios. The changes in the structural properties of the electrolyte samples were characterized by X-ray diffraction (XRD) and differential scanning calorimetric (DSC) technique. The ion transport number estimated...
Nanocomposite solid polymer electrolyte films were prepared to study the effect of electric field on the ionic conductivity. The studies were carried out by varying the electric field from 0 to 100 V cm−1 at different temperatures and the results shows that conductivity increases with increase in electric field and temperature. A mathematical model is proposed to describe the electric field and temperature-dependent...
In the field of lithium batteries, poly(vinylide fluoride-co-hexafluoropropylene) polymer finds extensive applications as membrane, in which the composition of polymer is very crucial for the optimum performance of the cell. In this report, nuclear magnetic resonance (NMR) study as an investigation tool has been carried out to understand the role of polymer content in the range of 10% to 30%. Also...
Monofluoro dimethyl glutarate has been successfully synthesized for the first time by electrochemical fluorination. It is done in an undivided polypropylene cell with platinum electrodes. Initially at three different current densities, dimethyl glutarate is subjected to electrofluorination. Maximum yield of monofluoro product is obtained at 15 mA cm−2. Selecting this current density, electrosynthesis...
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