Sulfur-doped, reduced graphene oxide nanoribbons for sodium-ion batteries

被引：23
|
作者：
Yun, Young Soo [1 ]
Jin, Hyoung-Joon [2 ]
机构：
[1] Kangwon Natl Univ, Dept Chem Engn, Samcheok 245711, South Korea
[2] Inha Univ, Dept Polymer Sci & Engn, Incheon 402751, South Korea
来源：
MATERIALS LETTERS | 2017年 / 198卷
基金：
新加坡国家研究基金会;
关键词：
Graphene nanoribbon; Sulfur doping; Na-ion battery; Anode; ANODE MATERIALS; CARBON NANOTUBES; LITHIUM STORAGE; RATE CAPABILITY; NANOSHEETS; STABILITY; BOTTOM;
D O I：
10.1016/j.matlet.2017.04.001
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study focused on the effects of sulfur doping on the properties of thermally reduced graphene oxide nanoribbons (rGONRs) and their usage as anodes in Na-ion batteries. Sulfur-doped rGONRs (S-rGONRs) were fabricated by unzipping carbon nanotubes and thermally treating them with elemental sulfur. The prepared S-rGONRs showed a higher reversible capacity of 395 mAh g(-1) than rGONRs, which have a capacity of 257 mAh g(-1). In addition, they exhibited high reversibility, a high rate capability of 20 A g(-1), and stable cyclic performance for over 4000 cycles. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：106 / 109
页数：4
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