Synthesis and physical properties of new fluoroether sulfones

被引：4
作者：
Yue, Zheng [1 ]
Mei, Xinyi [1 ]
Dunya, Hamza [1 ]
Ma, Qiang [1 ]
McGarry, Christopher [1 ]
Mandal, Braja K. [1 ]
机构：
[1] IIT, Dept Chem, Chicago, IL 60616 USA
来源：
JOURNAL OF FLUORINE CHEMISTRY | 2018年 / 216卷
关键词：
Ehroroether sulfones; Electrolytes; Viscosity; Ionic conductivity; LITHIUM-SULFUR BATTERY; PARTIALLY FLUORINATED ETHER; POLYSULFIDE SHUTTLE; LIQUID ELECTROLYTES; LI-ION; PERFORMANCE; DISCHARGE; SOLVENTS;
D O I：
10.1016/j.jfluchem.2018.10.014
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Eight new strategically designed fluoroether sulfone solvents have been synthesized through different synthetic pathways for potential applications in lithium-sulfur battery electrolytes. The structures of these compounds have been confirmed by H-1-NMR, C-13-NMR and elemental analysis. Several 1,2-dimethoxyethane (DME)-based electrolyte formulations have been prepared with these solvents to derive an electrolyte with good ionic conductivity (> 5 mS cm(-1) at 25 degrees C). The viscosity of these new additives has also been determined as it is directly related to the ionic conductivity. Three of these solvents that contain a trifluoromethyl group displayed acceptable ionic conductivity.
引用
收藏
页码：118 / 123
页数：6
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