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Physico-Chemical Properties of LiFSI Solutions I. LiFSI with Valeronitrile, Dichloromethane, 1,2-Dichloroethane, and 1,2-Dichlorobenzene

  • Johannes Neuhaus
    Johannes Neuhaus
    Laboratory of Engineering Thermodynamics (LTD), University of Kaiserslautern, Erwin-Schrödinger Strasse 44, D-67663 Kaiserslautern, Germany
  • Erik von Harbou*
    Erik von Harbou
    Laboratory of Engineering Thermodynamics (LTD), University of Kaiserslautern, Erwin-Schrödinger Strasse 44, D-67663 Kaiserslautern, Germany
    *E-mail: [email protected]. Phone: +49-631/205-4685. Fax: +49-631/205-3835.
  • , and 
  • Hans Hasse
    Hans Hasse
    Laboratory of Engineering Thermodynamics (LTD), University of Kaiserslautern, Erwin-Schrödinger Strasse 44, D-67663 Kaiserslautern, Germany
    More by Hans Hasse
Cite this: J. Chem. Eng. Data 2019, 64, 3, 868–877
Publication Date (Web):February 6, 2019
https://doi.org/10.1021/acs.jced.8b00590
Copyright © 2019 American Chemical Society

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    Abstract

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    Lithium bis(fluorosulfonyl)imide (LiFSI) is a novel electrolyte for lithium-ion batteries. Valeronitrile (VN) is a good solvent for LiFSI, and dichloromethane (DCM), 1,2-dichloroethane (DCE), and 1,2-dichlorobenzene (DCB), are interesting antisolvents for crystallization. Physico-chemical data for the design of LiFSI production processes, in which these components are used, is lacking. Therefore, the solubility of LiFSI in VN, as well as in binary solvent mixtures VN + (DCM, DCE, DCB) was measured at temperatures between 278 and 343 K and concentrations of LiFSI up to 0.52 mol mol–1. Furthermore, vapor–liquid equilibria of the systems VN–DCE (at 200 mbar) and VN–DCB (at 200, 300, and 450 mbar) were studied. Also, the density and shear viscosity of solutions of LiFSI in VN were measured at temperatures between 293 and 333 K and concentrations of LiFSI up to 0.5 mol mol–1.

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    The Supporting Information is available free of charge on the ACS Publications website at DOI: 10.1021/acs.jced.8b00590.

    • Sample description table; overview of experimental data of the solid–liquid equilibria of the test systems KCl-H2O and NaOAc-H2O, and the experimental data from literature; (61−63) overview of experimental data of the pure vapor pressure measurements of VN and DCB, and experimental data from literature; (17,64−67) parameters of the gaschromatographic analysis (Gaschromatograph: Agilent Technologies 7890A) of the coexisting phases in the experimental measurement of the vapor–liquid equilibrium in the binary solvent systems VN–DCE and VN–DCB. (PDF)

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    Cited By

    This article is cited by 4 publications.

    1. Xin Fang, Bolun Mei, Xingchuan Yang, Yi Yu, Chunmei Cao, Li Xu, Guoji Liu. Dissolution behavior, thermodynamic analysis and molecular simulation of lithium bis(fluorosulfonyl)imide in organic solvent at 273.15 K to 313.15 K. The Journal of Chemical Thermodynamics 2024, 191 , 107245. https://doi.org/10.1016/j.jct.2023.107245
    2. Xi Wu, Shuaishuai Yang, Shiming Xu, Xinjie Zhang, Yujie Ren. Measurement and correlation of the solubility of sodium acetate in eight pure and binary solvents. Chinese Journal of Chemical Engineering 2022, 44 , 474-484. https://doi.org/10.1016/j.cjche.2021.06.029
    3. Vivian F. Crum, Laura M. Kiefer, Kevin J. Kubarych. Ultrafast vibrational dynamics of a solute correlates with dynamics of the solvent. The Journal of Chemical Physics 2021, 155 (13) https://doi.org/10.1063/5.0061770
    4. Johannes Neuhaus, Erik von Harbou, Hans Hasse. Spectroscopic investigations of solutions of lithium bis(fluorosulfonyl) imide (LiFSI) in valeronitrile. Polyhedron 2020, 183 , 114458. https://doi.org/10.1016/j.poly.2020.114458

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