Reduced graphene oxide decorated ternary Cu2SnS3 as anode materials for lithium ion batteries

被引：41

作者：

Tao, Hua-Chao ^{[1
,2
]}

Zhu, Shou-Chao ^{[1
]}

Yang, Xue-Lin ^{[1
,2
]}

Zhang, Lu-Lu ^{[1
,2
]}

Ni, Shi-Bing ^{[1
,2
]}

机构：

[1] China Three Gorges Univ, Coll Mat & Chem Engn, 8 Daxue Rd, Yichang 443002, Hubei, Peoples R China

[2] Collaborat Innovat Ctr Microgrid New Energy, Yichang, Hubei Prov, Peoples R China

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2016年 / 760卷

基金：

中国国家自然科学基金;

关键词：

Lithium ion batteries; Anode; Cu2SnS3; Reduced graphene oxide; HIGH-PERFORMANCE ANODE; ONE-POT SYNTHESIS; ELECTROCHEMICAL PROPERTIES; COMPOSITE; NANOCOMPOSITE; NANOSTRUCTURES; NANOSPHERES; ELECTRODES; NANOSHEETS; REDUCTION;

D O I：

10.1016/j.jelechem.2015.11.025

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Reduced graphene oxide (RGO) decorated ternary Cu2SnS3 composite has been synthesized by one-step facile hydrothermal route. The formation of Cu2SnS3 nanoparticles and reduction of graphene oxide occur at the same time during the hydrothermal process. The Cu2SnS3 nanoparticles with a size of 5-10 nm are uniformly distributed on the RGO, which prevents effectively the agglomeration of Cu2SnS3 nanoparticles. The Cu2SnS3/RGO composite electrode exhibits an initial reversible capacity of 704 mAh g(-1) and 560 mAh g(-1) after 100 cycles. Such excellent electrochemical performance can be attributed to the presence of RGO, which improves the electronic conductivity and prevents the agglomeration of Cu2SnS3 nanoparticles. In addition, the Cu induced by the Cu2SnS3 reaction with lithium ions during the discharge process can increase the electronic conductivity. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：127 / 134

页数：8

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