A highly concentrated phosphate-based electrolyte for high-safety rechargeable lithium batteries

被引：163
|
作者：
Shi, Pengcheng [1 ]
Zheng, Hao [1 ]
Liang, Xin [1 ]
Sun, Yi [1 ]
Cheng, Sheng [1 ]
Chen, Chunhua [2 ]
Xiang, Hongfa [1 ]
机构：
[1] Hefei Univ Technol, Sch Mat Sci & Engn, Anhui Prov Key Lab Adv Funct Mat & Devices, Hefei 230009, Anhui, Peoples R China
[2] Univ Sci & Technol China, CAS Key Lab Mat Energy Convers, Dept Mat Sci & Engn, Hefei 230026, Anhui, Peoples R China
来源：
CHEMICAL COMMUNICATIONS | 2018年 / 54卷 / 35期
基金：
美国国家科学基金会;
关键词：
LI-ION BATTERIES; SUPERCONCENTRATED ELECTROLYTES; ALKYL PHOSPHATES; GRAPHITE; METAL; EXFOLIATION; STABILITY; ANODE; WATER;
D O I：
10.1039/c8cc00994e
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We prepare a totally nonflammable phosphate-based electrolyte composed of 5 mol L-1 (M) Li bis(fluorosulfonyl) imide (LiFSI) in a trimethyl phosphate (TMP) solvent. The concentrated 5 M LiFSI/TMP electrolyte shows good compatibility with graphite and no Al corrosion. More attractively, such a concentrated electrolyte can effectively suppress the growth of Li dendrites in Li metal batteries because of a stable LiF-rich SEI layer. Therefore, this highly concentrated electrolyte is promising for safe Li batteries.
引用
收藏
页码：4453 / 4456
页数：4
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