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The present work deals with a simple and cost-effective sonochemical assisted synthesis of binary transition metal oxide (BTMOs) (NZnO–Mn2O3) and NZnO–Mn2O3@rGO ternary nanohybrid using a imidazole derivative as an organic precursor aimed at the application in supercapacitor and sensing of ammonia in aqueous medium. Morphological analysis using various physicochemical techniques, like FESEM, TEM,...
With a goal to improve the performance of LiCoO2 as a cathode material in Li-ion batteries, we simulate substitution of various elements (X = Be, Mg, Al, Ga, Si and Ti) for Co using first-principles density functional theory and predict changes in its electrochemical potential. While the electrochemical potential of LiCoO2 is enhanced with substitution of Be, Mg, Al and Ga for Co, an opposite effect...
Lanthanum fluoride nanorod and nanoparticles have been synthesized by a simple method with and without sonication, respectively. Thermogravimetric/differential thermal analysis confirms the sample formation at low temperature for the sonication-assisted sample than the directly prepared sample. The structure of the prepared lanthanum fluoride nanorods and nanoparticles has been analyzed by X-ray diffraction...
The plasticized polymer electrolyte consisting of poly(epichlorohydrin-ethyleneoxide) [P(ECH-EO)], lithium perchlorate (LiClO4) and γ-butyrolactone (γ-BL) have been prepared by simple solution casting technique. The polymer–salt–plasticizer complex has been confirmed by XRD analysis. The ionic conductivity studies have been carried out using AC impedance technique. The effect of plasticizer (γ-BL)...
The discharge capacity of zinc–carbon cells (Leclanche cell) is limited by the performance of the cathode material (MnO2) and physical properties of carbon powder added to MnO2. Acetylene black, Vulcan XC 72, Black Pearls 2000, and a carbon composite (consisting of 50% acetylene black and 50% Black Pearls 2000®) were evaluated as cathode additives in test cells and were compared. The study indicated...
Thin films of ionic conductors have low internal resistance. Hence, it could be used as an electrolyte material in sensors to operate at ambient temperatures. Cerium fluoride, a unipolar fluoride ion conductor, has got a different application in electrochemical sensor. In the present work, cerium fluoride thin films have been prepared by physical vapor deposition method and their electrical properties...
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