Hollow microspheres of NiO as anode materials for lithium-ion batteries

被引：147

作者：

Huang, X. H. ^{[1
]}

Tu, J. P. ^{[2
]}

Zhang, C. Q. ^{[2
]}

Zhou, F. ^{[1
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Acad Frontier Sci, Nanjing 210016, Peoples R China

[2] Zhejiang Univ, Dept Mat Sci & Engn, Hangzhou 310027, Peoples R China

来源：

ELECTROCHIMICA ACTA | 2010年 / 55卷 / 28期

基金：

中国博士后科学基金;

关键词：

NiO; Hollow sphere; Anode; Lithium ion battery; NEGATIVE-ELECTRODE MATERIALS; NANOCOMPOSITE; PERFORMANCE; FABRICATION; REACTIVITY; CUO;

D O I：

10.1016/j.electacta.2010.08.039

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

NiO hollow spheres are prepared by heating the NiCl2/resoicinol-formaldehyde (RF) gel in argon at 700 C for 2 h and subsequently in oxygen at 700 degrees C for 2 h X-ray diffraction (XRD) scanning electron microscopy (SEM) and transmission electron microscopy (TEM) are employed to characterize the structure and morphology of the as-prepared NiO hollow spheres These hollow spheres have a diameter of about 2 mu m which are composed of NiO particles of about 200 nm The electrochemical properties of these NiO hollow spheres are investigated to determine the reversible capacity and cycling performance as anode materials for lithium-ion batteries and the advantages of their hollow spherical morphology to the electrochemical performance are discussed (C) 2010 Elsevier Ltd All rights reserved

引用

页码：8981 / 8985

页数：5

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