Uniform Li2S precipitation on N,O-codoped porous hollow carbon fibers for high-energy-density lithium-sulfur batteries with superior stability

被引：39
|
作者：
Qie, Long
Manthiram, Arumugam [1 ,2 ]
机构：
[1] Univ Texas Austin, Mat Sci & Engn Program, Austin, TX 78712 USA
[2] Univ Texas Austin, Texas Mat Inst, Austin, TX 78712 USA
来源：
CHEMICAL COMMUNICATIONS | 2016年 / 52卷 / 73期
关键词：
PERFORMANCE; NITROGEN; CAPACITY; CATHODE;
D O I：
10.1039/c6cc06340c
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A lithium-polysulfide cell with superior stability is reported with N,O-codoped carbon hollow fiber (NCHF) sheets as a current collector. Due to the highly effective chemisorption and physical adsorption of lithium polysulfides on doped NCHF and a uniform Li2S precipitation during cycling, the Li2S6-impregnated NCHF electrodes exhibit high sulfur utilization and superior cycling stability even with a high areal sulfur loading of 6.2 mg cm(-2).
引用
收藏
页码：10964 / 10967
页数：4
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