Core-shell MnO2/S Composite as High-Performance Cathode Materials for Li-S Batteries

被引：3

作者：

Chen, Yinxia ^{[1
]}

Ji, Xianbing ^{[1
]}

机构：

[1] Hebei Univ Environm Engn, Qinhuangdao 066102, Hebei, Peoples R China

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2018年 / 13卷 / 12期

关键词：

Core-shell structure; MnO2/S composites; Li-S battery; Electrochemical performance; LITHIUM-SULFUR BATTERIES; HOLLOW CARBON NANOFIBERS; MESOPOROUS TIO2 SPHERES; SEPARATOR; GRAPHENE; POLYSULFIDES; ELECTRODES; ANODE;

D O I：

10.20964/2018.12.09

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

A novel structure of core-shell MnO2/S composite was designed as cathode materials for Li-S batteries. This structure could efficiently inhibit the polysulfide dissolution and improve the conductivity at the same time. As a result, the cycle performance of Li-S battery was greatly improved due to the presence of core-shell MnO2/S composite. The results show that the specific capacity of core-shell MnO2/S composite is 1200 mAh g(-1) at 0.1 C. After 100 cycles, the specific capacity remains 715 mAh g(-1) at 0.5 C, showing perfect cycle performance.

引用

页码：12155 / 12162

页数：8

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