Novel synergistic in situ synthesis of lithium-ion poly(ethylene citrate)-TiO2 nanocomposites as promising fluorine-free solid polymer electrolytes for lithium batteries
By Pignanelli, Fernando; Romero, Mariano; Castiglioni, Jorge; Faccio, Ricardo; Mombr
Published in Journal of Physics and Chemistry of Solids
2019
Abstract
Here, we report a synergistic in situ synthesis of lithium-ion poly (ethylene citrate) with embedded titania nanoparticles in which the esterification process itself triggered the hydrolysis of the titanium alkoxide precursor to form a promising fluorine-free lithium-ion solid polymer electrolyte. Structural characterization by means of X-ray diffraction, small angle X-ray scattering and also confocal Raman spectroscopy revealed the formation of the polyester with embedded titania nanoparticles in agreement with our Raman spectra simulation by means of DFT methodologies. Our theoretical modeling of the polyester also envisaged the interaction of lithium-ion via a tridentate coordination with oxygen atoms of carboxylate (
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