Solubilities of six lithium salts in five non-aqueous solvents and in a few of their binary mixtures

被引：43
|
作者：
Xin, Nan [1 ,2 ]
Sun, Yanjun [1 ,2 ]
He, Maogang [2 ]
Radke, Clayton J. [1 ]
Prausnitz, John M. [1 ]
机构：
[1] Univ Calif Berkeley, Dept Chem & Biomol Engn, Berkeley, CA 94720 USA
[2] Xi An Jiao Tong Univ, MOE Key Lab Thermofluid Sci & Engn, Xian 710049, Shaanxi, Peoples R China
来源：
FLUID PHASE EQUILIBRIA | 2018年 / 461卷
关键词：
Lithium salts; Solubility; Solvents; Activity coefficient; ETHYLENE CARBONATE; WATER; SYSTEMS; ELECTROLYTES; ELECTRODES; PROPYLENE; METHANOL; DIOXIDE; ETHANOL;
D O I：
10.1016/j.fluid.2017.12.034
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Solubilities were measured from 25 to 45 degrees C for six lithium salts (LiF, LiCl, LiBr, LiNO3, LiTFSI and LiPF6) in five pure non-aqueous solvents (ethanol, acetonitrile, dimethyl carbonate, dimethyl sulfoxide and propylene carbonate) and in a few of their binary mixtures (ethanol + DMSO, DMC + DMSO and DMC + PC). The experimental method uses a Varian inductively-coupled plasma-optical-emission spectrometer (ICP-OES). Solubilities increase with rising temperature. At a given temperature, LiNO3 shows the highest solubility in all solvents. Salt solubilities follow the order LiNO3> LiTFSI > LiBr > LiCI > LiPF6 > LiF. The dissolving abilities of the solvents are in the order ethanol > DMSO > acetonitrile > PC > DMC. Coupled with the salt's melting temperature and enthalpy of fusion, liquid-phase activity coefficients for salts were obtained from the solubility data. (C) 2018 Elsevier B.V. All rights reserved.
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页码：1 / 7
页数：7
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