Three-dimensional core-shell Cu@Cu6Sn5 nanowires as the anode material for lithium ion batteries

被引：26

作者：

Chen, Jizhang ^{[1
]}

Yang, Li ^{[1
]}

Fang, Shaohua ^{[1
]}

Hirano, Shin-ichi ^{[2
]}

Tachibana, Kazuhiro ^{[3
]}

机构：

[1] Shanghai Jiao Tong Univ, Sch Chem & Chem Engn, Shanghai 200240, Peoples R China

[2] Shanghai Jiao Tong Univ, Hirano Inst Mat Innovat, Shanghai 200240, Peoples R China

[3] Yamagata Univ, Dept Chem & Chem Engn, Fac Engn, Yamagata 9928510, Japan

来源：

JOURNAL OF POWER SOURCES | 2012年 / 199卷

基金：

中国国家自然科学基金;

关键词：

Tin; Copper; Core-shell; Nanowire; Anode; Li-ion battery; SITU X-RAY; HIGH-CAPACITY; IN-SITU; CARBON NANOFIBERS; TIN-NANOPARTICLES; THIN-FILM; ONE-STEP; PERFORMANCE; LI; ELECTRODES;

D O I：

10.1016/j.jpowsour.2011.10.043

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：

Core-shell Cu@Cu6Sn5 nanowires with three-dimensional structure have been successfully synthesized via an electrodeposition process, using Cu(OH)(2) nanorods prepared by anodization as the substrate. Different temperatures have been employed to heat-treat Sn-Cu composites. After heat-treated at 80 C, strong adherence of the active material Cu6Sn5 to the current collector is achieved, and the crystal structure becomes more stable, thus delivering best cycling performance of 0.162 mAh cm(-2) after 200 cycles at 1 C. Furthermore, superior rate capability (as high as 20C) is also obtained. Crown Copyright (C) 2011 Published by Elsevier B.V. All rights reserved.

引用

页码：341 / 345

页数：5

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