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

页码：106 / 109

页数：4

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