A novel CuO-nanotube/SnO2 composite as the anode material for lithium ion batteries

被引：101

作者：

Li, Chao ^{[1
,2
]}

Wei, Wei ^{[1
]}

Fang, Shaoming ^{[1
]}

Wang, Huanxin ^{[1
]}

Zhang, Yong ^{[1
]}

Gui, Yanghai ^{[1
]}

Chen, Rongfeng ^{[2
]}

机构：

[1] Zhengzhou Univ Light Ind, Henan Prov Key Lab Surface, Zhengzhou 450002, Peoples R China

[2] Henan Acad Sci, Zhengzhou 450002, Peoples R China

来源：

JOURNAL OF POWER SOURCES | 2010年 / 195卷 / 09期

基金：

中国国家自然科学基金;

关键词：

SnO2; CuO-nanotube; Electrochemical performance; Anode material; Lithium ion battery; SNO2; STORAGE; FILM; NANOMATERIALS; ELECTRODES; NANOWIRES; NANOTUBES; CUO;

D O I：

10.1016/j.jpowsour.2009.11.005

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A novel CuO-nanotubes/SnO2 composite was prepared by a facile solution method and its electrochemical properties were investigated as the anode material for Li-ion battery. The as-prepared composite consisted of monoclinic-phase CuO-nanotubes and cassiterite structure SnO2 nanoparticles, in which SnO2 nanoparticles were dramatically decorated on the CuO-nanotubes. The composite showed higher reversible capacity, better durability and high rate performance than the pure SnO2. The better electrochemical performance Could be attributed to the introducing of the CuO-nanotubes. It was found that the CuO-nanotubes were reduced to metallic Cu in the first discharge cycle, which can retain tube structure of the CuO-nanotubes as a tube buffer to alleviate the volume expansion of SnO2 during cycling and act as a good conductor to improve the electrical conductivity of the electrodes. (c) 2009 Elsevier B.V. All rights reserved.

引用

页码：2939 / 2944

页数：6

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