ZnO/Ni/C composite hollow microspheres as anode materials for lithium ion batteries

被引：40
作者：
Xie, Qingshui [1 ]
Ma, Yating [1 ]
Zhang, Xiaoqiang [1 ]
Wang, Laisen [1 ]
Yue, Guanghui [1 ]
Peng, Dong-Liang [1 ]
机构：
[1] Xiamen Univ, Fujian Key Lab Adv Mat, Collaborat Innovat Ctr Chem Energy Mat, Dept Mat Sci & Engn,Coll Mat, Xiamen 361005, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2015年 / 619卷
基金：
中国国家自然科学基金;
关键词：
Zinc oxide; Nickel; Lithium ion batteries; Electrode materials; TEMPLATE-FREE SYNTHESIS; NIO-NI NANOCOMPOSITE; ELECTROCHEMICAL PERFORMANCE; STORAGE CAPACITY; FACILE SYNTHESIS; COATED ZNO; NANOSTRUCTURES; NANOSPHERES; FABRICATION; TRANSFORMATION;
D O I：
10.1016/j.jallcom.2014.08.240
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：
ZnO/Ni/C composite hollow microspheres were synthesized by calcination of zinc-nickel citrate hollow microspheres at 500 degrees C for 2 h in argon. The composite hollow microspheres with an average diameter of 1.2 mu m are made up of numerous nanoparticles with sizes ranging from 15 to 25 nm. When applied as the anode materials for lithium ion batteries, the composite hollow microspheres demonstrate excellent cycling stability. Compared to ZnO solid microspheres, the enhanced electrochemical properties of ZnO/Ni/C composites are attributed to the decoration of nickel and carbon as well as its unique hollow structures. ZnO/NiO/C composite hollow microspheres prepared by calcination of ZnO/Ni/C composites in air also reveal good lithium storage properties. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：235 / 239
页数：5
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