Electrodeposition and electrochemical properties of novel ternary tin-cobalt-phosphorus alloy electrodes for lithium-ion batteries

被引：34

作者：

Huang, Ling ^{[1
]}

Yang, Yang ^{[1
]}

Xue, Lian-Jie ^{[1
]}

Wei, Hong-Bing ^{[1
]}

Ke, Fu-Sheng ^{[1
]}

Li, Jun-Tao ^{[1
]}

Sun, Shi-Gang ^{[1
]}

机构：

[1] Xiamen Univ, Dept Chem, State Key Lab Phys Chem Solid Surfaces, Coll Chem & Chem Engn, Xiamen 361005, Fujian, Peoples R China

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2009年 / 11卷 / 01期

关键词：

Porous Sn-Co-P alloy; Electroplating; Lithium-ion batteries; Electrodeposition;

D O I：

10.1016/j.elecom.2008.10.012

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

Porous Sn-Co-P alloy with reticular structure were prepared by electroplating using copper foam as current collector. The structure and electrochemical performance of the electroplated porous Sn-Co-P alloy electrodes were investigated in detail. Experimental results illustrated that the porous Sn-Co-P alloy consists of mainly SnP0.94. phase with a minor quantity of Sri and Co3Sn2. Galvancistatic charge-discharge tests of porous Sn-Co-P alloy electrodes confirmed its excellent performances: at 50th charge-discharge cycle, the discharge specific capacity is 503 mAh g(-1) and the columbic efficiency is as high as 99%. It has revealed that the porous and multi-phase composite structure of the alloy can restrain the pulverization of electrode in charge/discharge cycles, and accommodate partly the volume expansion and phase transition, resulting in good cycleability of the electrode. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：6 / 9

页数：4

共 11 条

[1] Nanostructured materials for advanced energy conversion and storage devices [J].