Interconnected Si-coated NiO nanosheet arrays with enhanced electrochemical performance for lithium-ion batteries

被引：4
|
作者：
Wu, J. B. [1 ]
Huang, X. H. [1 ]
Cao, Y. Q. [1 ]
Lin, Y. [1 ]
Guo, R. Q. [1 ]
机构：
[1] Taizhou Univ, Coll Phys & Elect Engn, Taizhou 318000, Peoples R China
来源：
MATERIALS LETTERS | 2018年 / 216卷
关键词：
Porous materials; Nanocomposites; Sputtering; Energy storage and conversion; Lithium ion battery; ANODE MATERIALS; ELECTRODE MATERIALS; BINDER-FREE; MICROSPHERES; COMPOSITE; SILICON; STORAGE; FILM;
D O I：
10.1016/j.matlet.2017.12.126
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
NiO/Si composite film is prepared by chemical bath deposition and magnetron sputtering techniques. The sample is characterized by means of X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The film is constructed by interconnected Si-coated NiO nanosheet arrays. As an anode material for lithium-ion batteries, the film is analyzed by galvanostatic discharge-charge and cyclic voltammetry (CV). NiO/Si nanosheet arrays deliver higher capacity than that of NiO nanosheet arrays, and shows better cycling stability that of Si film. The enhanced electrochemical performance is ascribed to the interconnected Si-coated NiO nanosheet array structure. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：28 / 31
页数：4
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