Electrochemical properties of SnO2 nanowires prepared by a simple heat treatment of Sn-Ag alloys

被引：6

作者：

Ahn, Jung-Ho ^{[1
]}

Kim, Yong-Jin ^{[2
]}

Wang, Guoxiu ^{[3
]}

机构：

[1] Andong Natl Univ, Dept Mat Engn, Andong 760749, Gyungbuk, South Korea

[2] Korea Inst Machinery & Mat, Chang Won, South Korea

[3] Univ Wollongong, ISEM, Wollongong, NSW 2522, Australia

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2009年 / 483卷 / 1-2期

关键词：

Electrode materials; Nanostructured materials; Crystal growth; Energy storage materials; GROWTH; TIN;

D O I：

10.1016/j.jallcom.2008.07.227

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：

One-dimensional (1D) SnO2 nanowires were synthesized by a simple heat treatment of Sn-Ag alloys. The presence of Ag in the alloy and a small amount of impurity oxygen in an inert gas played an important role in the growth of SnO2 nanowires. The oxygen content higher than 1 vol.% in the gas resulted in the formation of fine spherical powders. The Li storage property of nano-sized SnO2 for the spherical and 1D SnO2 was evaluated from the lithium intercalation process in a Li-ion cell. The SnO2 nanowires exhibited a better electrochemical performance as an anode than the spherical powders. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：422 / 424

页数：3

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