Fabrication and properties of three-dimensional macroporous Sn-Ni alloy electrodes of high preferential (110) orientation for lithium ion batteries

被引：93

作者：

Ke, Fu-sheng ^{[1
]}

Huang, Ling ^{[1
]}

Jiang, Hong-hong ^{[1
]}

Wei, Hong-bing ^{[1
]}

Yang, Fang-zu ^{[1
]}

Sun, Shi-gang ^{[1
]}

机构：

[1] Xiamen Univ, Dept Chem, State Key Lab Phys Chem Solid Surface, Xiamen 361005, Peoples R China

来源：

ELECTROCHEMISTRY COMMUNICATIONS | 2007年 / 9卷 / 02期

关键词：

electrodeposition; colloidal crystal template; 3D macroporous tin-nickel alloy; lithium ion batteries; high preferential orientation;

D O I：

10.1016/j.elecom.2006.07.040

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

One of the most important problems in utilizing Sn-based intermetallic compound anodes is its poor cyclability due to mechanical fatigue caused by volume change during lithium insertion and extraction processes. To overcome this problem, a new facile procedure to prepare three-dimensional (3D) macroporous materials of Sn-Ni alloy by using colloidal crystal template method is presented. The structural and electrochemical characteristics of 3D macroporous Sn-Ni alloy were examined using scanning electron microscopy (SEM), X-ray diffraction (XRD), galvanostatic cycling. When used as a negative electrode for a rechargeable lithium battery, the 3D macroporous Sn-Ni alloy electrode delivered a reversible capacity of 536.1 mAh g(-1) up to 75th cycles. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：228 / 232

页数：5

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