Tris(pentafluorophenyl) borane as an electrolyte additive for Li-O2 batteries

被引:5
作者
Kartal, M. [1 ]
Uysal, M. [1 ]
Alp, A. [1 ]
Akbulut, H. [1 ]
机构
[1] Sakarya Univ, Fac Engn, Dept Met & Mat Engn, Esentepe Campus, TR-54187 Sakarya, Turkey
关键词
Li-O-2; batteries; Electrolyte additive; TEGDME; TPFPB; LI-AIR; CATHODE CATALYSTS; GRAPHENE OXIDE; LITHIUM-ION; PERFORMANCE; REDUCTION; STABILITY; LI2O2;
D O I
10.1016/j.ijhydene.2016.02.092
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
TPFPB was used as an additive in a rechargeable Li-O-2. cell utilizing an electrolyte composed of a solution 1 M LiPF6 in tetraethylene glycol dimethyl ether (TEGDME) to investigate the effects on capacity and cycling performances. Capacity limitation was also applied to the cells and results were compared with full charging and discharging condition. Galvanostatic charge/discharge (GC) measurements were performed in the assembled Li-O-2 cells using assembled cells, designed with different electrolytes. Cell discharge capacities were cyclically tested by a battery tester at a constant current in voltage range between 2.15 V-4.25 V. Discharge products of the electrolytes characterized by SEM and XRD techniques. The electrochemical results showed increasing discharge capacity and cycleability of the assembled cells produced with TPFPB as compared to TPFPB free electrolytes. Copyright (C) 2016, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:7600 / 7608
页数:9
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