Effect of adding ionic liquid 1-ethyl-3-methylimidazolium tetrafluoroborate on the coordination environment of Li +  ions in propylene carbonate, according to data from IR spectroscopy and quantum chemical modeling

A. F. Shestakov; A. V. Yudina; G. Z. Tulibaeva; Yu. M. Shul’ga; A. A. Ignatova; O. V. Yarmolenko

doi:10.1134/S0036024417080301

Effect of adding ionic liquid 1-ethyl-3-methylimidazolium tetrafluoroborate on the coordination environment of Li⁺ ions in propylene carbonate, according to data from IR spectroscopy and quantum chemical modeling

Authors: Shestakov A.F.¹, Yudina A.V.¹, Tulibaeva G.Z.¹, Shul’ga Y.M.¹, Ignatova A.A.¹, Yarmolenko O.V.¹
Affiliations:
1. Institute of Problems of Chemical Physics
Issue: Vol 91, No 8 (2017)
Pages: 1444-1450
Section: Structure of Matter and Quantum Chemistry
URL: https://journals.rcsi.science/0036-0244/article/view/169657
DOI: https://doi.org/10.1134/S0036024417080301
ID: 169657

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Abstract

The effect ionic liquid (IL) 1-ethyl-3-methylimidazolium tetrafluoroborate has on the coordination environment of Li⁺ cations in carbonate solvents is studied by means of IR spectroscopy and quantum chemical modeling using the example of propylene carbonate (PC). LiBF₄ is used as the lithium salt. This system is promising for use as an electrolyte in lithium power sources (LPSs), but the mechanism of ionic conductivity by Li⁺ ions in such systems has yet to be studied in full.