Melting/freezing points of high concentrations of AlCl3 in a saturated chloroaluminate ionic liquid

Zhang, Mengqi; Groves, Richard; Counce, Robert M.; Watson, Jack S.; Zawodzinski, Thomas A.

doi:10.1007/s10973-015-5154-3

Title: Melting/freezing points of high concentrations of AlCl₃ in a saturated chloroaluminate ionic liquid

Journal Article · Fri Nov 20 00:00:00 EST 2015 · Journal of Thermal Analysis and Calorimetry

DOI:https://doi.org/10.1007/s10973-015-5154-3· OSTI ID:1412069

Zhang, Mengqi ^[1]; Groves, Richard ^[2]; Counce, Robert M. ^[1]; Watson, Jack S. ^[1]; Zawodzinski, Thomas A. ^[3]

Univ. of Tennessee, Knoxville, TN (United States)
Clean Energy Events, Wilmington, NC (United States)
Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Melting/freezing points of AlCl₃ in saturated chloroaluminate ionic liquids [molar ratio 2:1 AlCl₃:1-ethyl-3-methyl imidazolium chloride (EMIC)] are measured by differential scanning calorimetry (DSC). A critical range of temperature data (50-130 °C) for AlCl₃ dissolution and precipitation from saturated chloroaluminate ionic liquids is obtained. This range of temperature data is of significance to control phase transition of AlCl₃ in saturated chloroaluminate ionic liquids. By applying the chloroaluminate ionic liquids to electrolytes for energy storage usage, solid AlCl₃ can be partially dissolved and precipitated out during the charging/discharging cycle of energy storage equipment. Furthermore, the energy density of the electrolytes is expected to be greatly improved.

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Research Organization:: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC05-00OR22725

OSTI ID:: 1412069

Journal Information:: Journal of Thermal Analysis and Calorimetry, Vol. 124, Issue 1; ISSN 1388-6150

Publisher:: Springer

Country of Publication:: United States

Language:: English

References (11)

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Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
Ionic liquids
DSC
AlCl3
Energy storage

Title: Melting/freezing points of high concentrations of AlCl3 in a saturated chloroaluminate ionic liquid

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Title: Melting/freezing points of high concentrations of AlCl₃ in a saturated chloroaluminate ionic liquid