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Highly porous Ti/SnO2 network composite film as stable binder-free anode materials for lithium ion batteries
H. Zhou; Y. Zhong; Z. S. He; L. Y. Zhang; J. M. Wang; J. Q. Zhang; C. N. Cao
2014
Source PublicationApplied Surface Science
ISSN0169-4332
Volume314Pages:1-6
AbstractElectrodes with three-dimensional (3D) nanostructure are expected to improve the energy and power densities of lithium ion batteries. Herein, we report a 3D porous Ti/SnO2 nanocomposite which was prepared by a novel experimental procedure combining the dealloying technique and hydrothermal treatment. Its structure and electrochemical properties were investigated with scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD) analysis, X-ray photoelectron spectroscopy (XPS), energy dispersive X-ray (EDX) spectroscopy and galvanostatic charge-discharge tests. The results of electrochemical tests showed that the porous composite anode presented the largest reversible capacity of 616.0 mA h g(-1) at the first cycle; and it still delivered a reversible Li storage capacity of 432.5 mA h g(-1) after 100 cycles. Our work suggests the possibility of further improving the specific capacity/energy density of 3D microelectrodes by designing ordered hybrid nanostructure arrays. (C) 2014 Elsevier B.V. All rights reserved.
description.department[zhou, huan ; zhong, yuan ; he, zhishun ; zhang, liying ; wang, jianming ; zhang, jianqing ; cao, chu-nan] zhejiang univ, dept chem, hangzhou 310027, zhejiang, peoples r china. [zhang, jianqing ; cao, chu-nan] chinese acad sci, inst met res, state key lab corros & protect met, shenyang 110016, peoples r china. ; wang, jm (reprint author), zhejiang univ, dept chem, hangzhou 310027, zhejiang, peoples r china. ; wjm@zju.edu.cn
KeywordSno2 Porous Ti Dealloying Hybrid Film Lithium-ion Batteries High-performance Anode Electrochemical Properties Carbon Nanofibers Nanowire Arrays Storage Capacity Oxide Nanoparticles Template
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73520
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
H. Zhou,Y. Zhong,Z. S. He,et al. Highly porous Ti/SnO2 network composite film as stable binder-free anode materials for lithium ion batteries[J]. Applied Surface Science,2014,314:1-6.
APA H. Zhou.,Y. Zhong.,Z. S. He.,L. Y. Zhang.,J. M. Wang.,...&C. N. Cao.(2014).Highly porous Ti/SnO2 network composite film as stable binder-free anode materials for lithium ion batteries.Applied Surface Science,314,1-6.
MLA H. Zhou,et al."Highly porous Ti/SnO2 network composite film as stable binder-free anode materials for lithium ion batteries".Applied Surface Science 314(2014):1-6.
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