A symmetrical ionic liquid/Li salt system for rapid ion transport and stable lithium electrochemistry

被引：29
作者：
Al-Masri, Danah [1 ]
Yunis, Ruhamah [1 ]
Hollenkamp, Anthony F. [2 ]
Pringle, Jennifer M. [1 ]
机构：
[1] Deakin Univ, Inst Frontier Mat, Melbourne, Vic 3125, Australia
[2] CSIRO, Clayton, Vic 3168, Australia
来源：
CHEMICAL COMMUNICATIONS | 2018年 / 54卷 / 29期
基金：
澳大利亚研究理事会;
关键词：
PHYSICOCHEMICAL PROPERTIES; ELECTROLYTES; BEHAVIOR;
D O I：
10.1039/c8cc00531a
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Contrary to the accepted wisdom that avoids cation symmetry for the sake of optimum electrolyte properties, we reveal outstanding behaviour for the diethylpyrrolidinium cation ([C2epyr]), in combination with the bis(fluorosulfonyl) imide (FSI) anion and Li[FSI]. The equimolar [C2epyr][Li][FSI] 2 is a liquid with high conductivity, high Li transference number and 490% lithium metal cycling efficiency. The high level of performance for these electrolytes invites consideration of a new class of electrolytes for lithium batteries.
引用
收藏
页码：3660 / 3663
页数：4
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