Chemical bath deposition of SnS2 nanowall arrays with improved electrochemical performance for lithium ion battery

被引：46
作者：
Liu, Shuang
Yin, Xiaoming
Hao, Quanyi
Zhang, Ming
Li, Limiao
Chen, Libao
Li, Qiuhong [1 ]
Wang, Yanguo
Wang, Taihong
机构：
[1] Hunan Univ, Minist Educ, Key Lab Micronano Optoelect Devices, Changsha 410082, Hunan, Peoples R China
来源：
MATERIALS LETTERS | 2010年 / 64卷 / 21期
基金：
中国国家自然科学基金;
关键词：
Crystal growth; Surfaces; Chemical bath deposition; Lithium ion battery; ELECTRODES; TEMPERATURE; FABRICATION; CAPACITY; ANODES; FILMS;
D O I：
10.1016/j.matlet.2010.07.052
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A facile chemical bath deposition (CBD) approach has been developed to fabricating SnS2 nanowall (NW) arrays directly on copper foils. As an anode material for lithium ion battery, the NW arrays exhibit enhanced lithium ion storage property. At a rate of 0.3 C, the NW arrays maintain a capacity of about 700 mA h g(-1) after 40 cycles. Even at a high rate of 1.2 C, the NW arrays can still deliver a stable capacity of 400 mA h g(-1) The high electrochemical performance is well related to the in situ growth of uniform SnS2 nanostructures on a conductive copper current collector, which results in a robust adhesion for the SnS2 NW on the copper, and leads to an enhanced electron conductivity, improved lithium ion transport, and sustained volume variations. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：2350 / 2353
页数：4
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