Three-dimensional porous Zn2VO4/ZnO/C thin film anode materials for high-performance Li-ion batteries

被引:15
|
作者
Zhou, Jiafeng [1 ,2 ]
Zhao, Bangchuan [1 ]
Bai, Jin [1 ,2 ]
Fang, Zhitang [1 ]
Li, Kunzhen [1 ,2 ]
Ma, Hongyang [1 ,2 ]
Dai, Jianming [1 ]
Zhu, Xuebin [1 ]
Sun, Yuping [1 ,3 ]
机构
[1] Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Anhui, Peoples R China
[2] Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China
[3] Chinese Acad Sci, High Field Magnet Lab, Hefei 230031, Anhui, Peoples R China
基金
中国国家自然科学基金;
关键词
Zn2VO4; Electrostatic spray deposition; Anode; Lithium-ion batteries; LITHIUM; HOLLOW; NANOSHEETS; PENCILS; CARBON; OXIDE;
D O I
10.1016/j.scriptamat.2019.03.006
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
A new type of Zn2VO4/ZnO/carbon composite (three-dimensional porous architecture) was firstly fabricated on a Ni-metal foam substrate thorough a facile electrostatic spray deposition (ESD) method followed by a calcination process. As a binder-free electrode in high performance lithium-ion batteries (LIBs), the composite electrode displays an outstanding long cycling performance, and it exhibits a high specific capacity of 930.8 mAh g(-1) at 2 A g(-1) even after 800 cycles without any capacity fading. And, the composite also shows a good rate performance with specific charge capacities of 742.1, 658.7, 804.9, 567.3 and 519.3 mAh g(-1) at 0.1, 2, 5, 10 and 12 A g(-1) respectively. (C) 2019 Published by Elsevier Ltd on behalf of Acta Materialia Inc.
引用
收藏
页码:87 / 91
页数:5
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