A hybrid of SnO2 nanorods interlaced by unzipped carbon nanotube to enhance electrochemical properties for lithium ion battery

被引：10

作者：

Li, Xinlu ^{[1
]}

Li, Tongtao ^{[1
]}

Zhong, Qineng ^{[1
]}

Zhang, Xinlin ^{[1
]}

Li, Hongyi ^{[1
]}

Huang, Jiamu ^{[1
]}

机构：

[1] Chongqing Univ, Sch Mat Sci & Engn, Chongqing 400030, Peoples R China

来源：

MATERIALS LETTERS | 2014年 / 130卷

基金：

中国国家自然科学基金;

关键词：

Nanocomposites; Unzipped carbon nanotubes; SnO2; Energy storage and conversion; CAPACITY ANODE MATERIAL; STORAGE PROPERTIES; LARGE-SCALE; NANOCOMPOSITE; NANOSHEETS; GROWTH;

D O I：

10.1016/j.matlet.2014.05.117

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A hybrid of SnO2 nanorods interlaced by unzipped carbon nanotubes (UCNTs) was synthesized by a simple hydrothermal route. The structure and morphology of the nanocomposites were characterized by X-ray diffraction, scanning electron microscopy (SEM), transmission electron microscopy (TEM) and N-2 adsorption/desorption analysis. Both SEM and TEM images show that SnO2 nanorods were interlaced by UCNTs to form a network structure. The galvanostatic charge-discharge experiments showed that the reversible capacity of the hybrid was improved to 856 mA h g(-1) at 0.1 A g(-1) and kept at 541 mA h g(-1) after 50 cycles at various current densities, which was higher than that of bare SnO2 nanorods. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：232 / 235

页数：4

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