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Li+ solvation in ethylene carbonate-propylene carbonate concentrated solutions: A comprehensive model

TitleLi+ solvation in ethylene carbonate-propylene carbonate concentrated solutions: A comprehensive model
Publication TypeArticolo su Rivista peer-reviewed
Year of Publication1997
AuthorsCazzanelli, E., Croce F., Appetecchi Giovanni Battista, Benevelli F., and Mustarelli P.
JournalJournal of Chemical Physics
Volume107
Pagination5740-5747
ISSN00219606
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. ©1997 American Institute of Physics.

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-0000264576&partnerID=40&md5=52687dd6bf27625267600b61aa9b7c3c
Citation KeyCazzanelli19975740