Abstract
Spectroscopic (Raman, NMR, impedance spectroscopy), and thermal [differential scanning calorimetry (DSC)] techniques have been used to study the solvation mechanism of lithium ions in ethylene carbonate (EC)–propylene carbonate (PC) concentrated solutions. For values of N=[Li+]/[EC+PC]⩽0.2 all the cations are solvated by ∼4 solvent molecules and interaction chiefly takes place between Li+ and the ring oxygens. For N>0.2 a part of Li+ ions begins to form complexes with two solvent molecules (sandwich configuration). At N≅0.5 nearly all cations are complexed, and a crystalline compound is formed at room temperature. For higher values of N a reassociation of the salt takes place.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 8:25 a.m.) |
Deposited | 1 year, 6 months ago (Feb. 10, 2024, 1:58 p.m.) |
Indexed | 3 weeks, 2 days ago (Aug. 7, 2025, 4:30 p.m.) |
Issued | 27 years, 10 months ago (Oct. 15, 1997) |
Published | 27 years, 10 months ago (Oct. 15, 1997) |
Published Print | 27 years, 10 months ago (Oct. 15, 1997) |
@article{Cazzanelli_1997, title={Li + solvation in ethylene carbonate–propylene carbonate concentrated solutions: A comprehensive model}, volume={107}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.474334}, DOI={10.1063/1.474334}, number={15}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Cazzanelli, E. and Croce, Fausto and Appetecchi, Giovanni Battista and Benevelli, Francesca and Mustarelli, Piercarlo}, year={1997}, month=oct, pages={5740–5747} }