Electrostatic trapping of polysulfides enabled by imidazolium-based ionic polymers for high-energy-density lithium-sulfur batteries

被引：34
作者：
Cheng, Zhibin [1 ,3 ]
Pan, Hui [1 ,2 ]
Xiao, Zhubing [1 ]
Chen, Dejian [1 ]
Li, Xiaoju [2 ]
Wang, Ruihu [1 ]
机构：
[1] Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Fuzhou 350002, Fujian, Peoples R China
[2] Fujian Normal Univ, Coll Mat Sci & Engn, Fujian Key Lab Polymer Mat, Fuzhou 350007, Fujian, Peoples R China
[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
来源：
JOURNAL OF MATERIALS CHEMISTRY A | 2018年 / 6卷 / 17期
基金：
中国国家自然科学基金;
关键词：
LI-S BATTERIES; SELF-DISCHARGE; CARBON NANOTUBES; COMPOSITE; SHUTTLE; PERFORMANCE; SEPARATOR; OXIDATION; ELECTRODE; CATHODES;
D O I：
10.1039/c8ta01298a
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：
An electrostatic attraction strategy based on main-chain imidazolium-based ionic polymer (ImIP) has been presented to suppress the shuttle effect of polysulfides in lithium-sulfur batteries. The resultant electrodes show much higher reversible capacity, cycling stability, rate performance and structural integrity during cycling than their counterpart without ImIP.
引用
收藏
页码：7375 / 7381
页数：7
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