Compatibility between LiNi0.5Mn1.5O4 and electrolyte based upon lithium bis(oxalate)borate and sulfolane for high voltage lithium-ion batteries

被引：31

作者：

Li, Chunlei ^{[1
]}

Zhao, Yangyu ^{[1
]}

Zhang, Hongming ^{[1
]}

Liu, Jinliang ^{[1
]}

Jing, Jie ^{[1
]}

Cui, Xiaoling ^{[1
]}

Li, Shiyou ^{[1
]}

机构：

[1] Lanzhou Univ Technol, Coll Petrochem Technol, Lanzhou 730050, Peoples R China

来源：

ELECTROCHIMICA ACTA | 2013年 / 104卷

关键词：

Lithium bis(oxalate)borate; Sulfolane; Compatibility; LiNi0.5Mn1.5O4; SULFONE-BASED ELECTROLYTES; ELECTROCHEMICAL PERFORMANCES; NANOSIZED LINI0.5MN1.5O4; CATHODE MATERIALS; RATE CAPABILITY; IMPEDANCE;

D O I：

10.1016/j.electacta.2013.04.075

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

To seek the compatibility between LiNi0.5Mn1.5O4 and electrolyte based upon lithium bis(oxalate)borate (LiBOB) and sulfolane (SL), the electrochemical performances of 0.7 mol L-1 LiBOB-SL/DMC (1:1) electrolyte are investigated. This electrolyte has characteristic of good stability against oxidative decomposition (5.3 V. vs. Li/Li+) and satisfactory safety performance. When used in LiNi0.5Mn1.5O4/Li cells, this electrolyte exhibits several advantages, such as stable cycle performance, low cell resistance, good rate performance, and high discharge voltage plateau. It suggests that LiBOB-SL/DMC electrolyte has good compatibility with LiNi0.5Mn1.5O4 cathode, and would be an attractive electrolyte for 5V high voltage lithium-ion batteries based upon LiNi0.5Mn1.5O4 cathode. Crown Copyright (C) 2013 Published by Elsevier Ltd. All rights reserved.

引用

页码：134 / 139

页数：6

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