离子液体对硫-超导炭黑复合材料电化学性能的影响

doi:10.61558/2993-074X.2033

电化学（中英文） ›› 2010, Vol. 16 ›› Issue (1): 35-38. doi: 10.61558/2993-074X.2033

离子液体对硫-超导炭黑复合材料电化学性能的影响

张波;陈思婷;高学平;

南开大学新能源材料化学研究所;

收稿日期:2010-02-28 修回日期:2010-02-28 出版日期:2010-02-28 发布日期:2010-02-28

Performance of Sulfur-Super Conductive Carbon Black Composite in Electrolyte Mixed with Room Temperature Ionic Liquid

ZHANG Bo,CHEN Si-ting,GAO Xue-ping*

(Institute of New Energy Material Chemistry,Nankai University,Tianjin 300071,China

Received:2010-02-28 Revised:2010-02-28 Published:2010-02-28 Online:2010-02-28

摘要/Abstract

摘要： 以热处理方法由单质硫与超导炭黑制备硫含量为59%的硫-超导炭黑复合材料.X射线衍射、扫描电镜测试表明,单质硫均匀地分散在高比表面积的超导炭黑中.如于电解液中添加室温离子液体,则可有效减弱复合材料中多硫化物在电解液的穿梭效应,提高硫复合材料的电化学性能.充放电测试表明,该硫-超导炭黑复合材料在含有离子液体的电解液中循环50周后,容量仍保持483.6mAh/g.

关键词: 锂硫电池, 超导炭黑, 复合材料, 离子液体

Abstract: The sulfur-super conductive carbon black composite was prepared as cathode material of lithium/sulfur battery.The composite was characterized by scanning electron microscopy(SEM),X-ray diffraction(XRD),and electrochemical impedance spectroscopy(EIS).The sulfur composite shows a high discharge capacity and a good cycle performance in electrolyte mixed with 50% of room temperature ionic liquid.In particular,the discharge capacity of the composite was stabilized at 483.6 mAh/g after 50 cycles.

Key words: lithium sulfur battery, super conductive carbon black, composite, ionic liquid

中图分类号:

TM912

张波, 陈思婷, 高学平, . 离子液体对硫-超导炭黑复合材料电化学性能的影响[J]. 电化学（中英文）, 2010, 16(1): 35-38.

ZHANG Bo, CHEN Si-ting, GAO Xue-ping. Performance of Sulfur-Super Conductive Carbon Black Composite in Electrolyte Mixed with Room Temperature Ionic Liquid[J]. Journal of Electrochemistry, 2010, 16(1): 35-38.

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https://electrochem.xmu.edu.cn/CN/Y2010/V16/I1/35

参考文献

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离子液体对硫-超导炭黑复合材料电化学性能的影响

Performance of Sulfur-Super Conductive Carbon Black Composite in Electrolyte Mixed with Room Temperature Ionic Liquid

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