Enhanced cyclic performance of SnO2-CuO-graphite nano-sheets as anode for Li-ion battery

被引：25
|
作者：
Lu, Bin [1 ]
Wang, Hui [1 ]
Hu, Renzong [1 ]
Yang, Lichun [1 ]
Liu, Jun [1 ]
Liu, Jiangwen [1 ]
Zhu, Min [1 ]
机构：
[1] South China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510641, Guangdong, Peoples R China
来源：
MATERIALS LETTERS | 2016年 / 185卷
基金：
美国国家科学基金会;
关键词：
Tin oxide; Copper oxide; Composite materials; Energy storage and conversion; ELECTROCHEMICAL PERFORMANCE; LITHIUM STORAGE; SNO2; NANOWIRE; HIGH-CAPACITY; LITHIATION; OXIDE;
D O I：
10.1016/j.matlet.2016.08.093
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A ternary nanocomposite of SnO2, CuO and graphite is prepared by bead milling in alcohol, during which the graphite is greatly thinned to form graphite nano-sheets that wrapping the SnO2 and in-situ formed CuO nanoparticles. This unique microstructure of SnO2-CuO-graphite nanocomposite benefits the reversible formation of SnO2 and CuO in the repeatedly charging process, and thus significantly improves the cyclic stability and rate capability. The reversible capacity of this ternary nanocomposite remains 561.2 mAh g(-1) at 0.1 A g(-1) after 150 cycles, much higher than that of the SnO2-graphite, and CuO-graphite hybrids. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：9 / 12
页数：4
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