期刊
JOURNAL OF ALLOYS AND COMPOUNDS
卷 639, 期 -, 页码 239-243出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2015.03.172
关键词
Zinc tin oxide; Carbon matrix; Core-shell structures; Hydrothermal process; Anode; Lithium-ion batteries
资金
- National Natural Science Foundation of China [51372178]
- Natural Science Foundation for Distinguished Young Scholars of Hubei Province of China [2013CFA021]
Novel Zn2SnO4@C core-shell nanorods have been prepared by a simple hydrothermal and subsequent carbonization approach. A series of morphology and structural characteristics are conducted on the obtained material, including X-ray diffraction, transmission electron microscopy combined with energy-dispersive X-ray spectrometer, high-resolution transmission electron microscopy, Raman spectroscopy, and thermal gravimetric analysis, followed by electrochemical study. When evaluating as anode materials for lithium-ion batteries, the as-synthesized Zn2SnO4@C core-shell nanorods exhibit improved electrochemical properties with higher Li storage capacity and longer cycle life compared to the pristine Zn2SnO4 nanorods. The novel core-shell nano structure with excellent buffering effect and better Li storage performance provide a promising use of anode material for Li ion battery. (C) 2015 Elsevier B.V. All rights reserved.
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