Journal
JOURNAL OF POWER SOURCES
Volume 189, Issue 1, Pages 828-831Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jpowsour.2008.07.028
Keywords
Hydrothermal method; Zinc stannate; Lithium ion batteries; Anode materials
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Inverse spinel structure Zn2SnO4 Was Successfully synthesized by a simple hydrothermal process using NaOH as an alkaline mineralizer. The hydrothermal conditions, such as alkaline concentration and synthesis temperature, have an important influence on the structure and performance of the product. The structural, morphological and electrochemical properties were investigated by means of X-ray diffraction (XRD), scanning electron microscopy (SEM) and electrochemical measurement. The electrochemical test showed that Zn2SnO4, which was prepared at 0.2 M NaOH concentration at 220 degrees C for 24 h, showed 1903.6 mAh/g of initial discharge capacity and 1045.5 mAh/g of initial charge capacity. A specific discharge capacity of 644.7 mAh/g remained after 20 cycles. (C) 2008 Elsevier B.V. All rights reserved.
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