Cobalt Oxide@Tin Oxide@Silver Core-Shell Nanowire Arrays as Electrodes for Lithium-Ion Batteries

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• 作者：Wei Liu ; Hao Wu ; Dr. Ning Du ; Man Wu ; Wenjia Zhao and Deren Yang
• 刊名：Energy Technology
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：5
• 期：2
• 页码：277-282
• 全文大小：2125K
• ISSN：2194-4296

文摘

Three-dimensional Co₃O₄@SnO₂@Ag core–shell nanowire arrays are prepared by the hydrothermal synthesis of Co₃O₄ nanowire arrays and subsequent deposition of SnO₂ and Ag by radiofrequency sputtering. When used as anode materials in lithium-ion batteries, the Co₃O₄@SnO₂@Ag core–shell nanowire arrays show good cycling and rate performance, compared to corresponding Co₃O₄ arrays, Co₃O₄@SnO₂ arrays, and Co₃O₄@SnO₂@Ag planar electrodes. The enhanced performance can be attributed to the three-dimensional core-shell nanostructures and the addition of Ag, which can improves the electrical conductivity and structure stability during the charge/discharge process.