Preparation and Lithium Storage Performance of Sn-SnSb Nanoparticles

Authors

Yao XIAO, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005;
Jiao-hong WU, School of Energy Research, Xiamen University, Xiamen 361005;
Qi WANG, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005;
Ling HUANG, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005;Follow
Jun-tao LI, School of Energy Research, Xiamen University, Xiamen 361005;
Shi-gang SUN, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005;

Corresponding Author

Ling HUANG(huangl@xmu.edu.cn)

Abstract

Tin was widely studied as alternative anode material to carbon for lithium-ion batteries thanks to its much higher theoretical capacity. However, a pure tin electrode suffers severely from its poor cycleability due to mechanical fatigue caused by volume change during lithium insertion and extraction processes. Tin-based alloy may improve the cycleability property of tin electrode. In this article, we report facile synthesis of spherical Sn-SnSb nanopartciles using a simple solvent-thermal approach. It is amazing to find that the spherical Sn-SnSb nanoparticles can circumvent volume changes effectively during charge-discharge process. Electrochemical discharge/charge results show that the spherical Sn-SnSb nanoparticles electrode exhibits much better cycleability than pure Sn electrode, with first charge capacity and discharge capacity of 1235.9 and 785.9 mAh·g^-1, respectively. After 50th cycling, the discharge capacity is 409.2 mAh·g^-1.

Graphical Abstract

Keywords

spherical SnSb nanoparticles, lithium ion batteries, negative electrode

DOI Link

https://doi.org/10.13208/j.electrochem.130402

Publication Date

2014-08-28

Online Available Date

2013-06-26

Revised Date

2013-06-21

Received Date

2013-04-02

Recommended Citation

Yao XIAO, Jiao-hong WU, Qi WANG, Ling HUANG, Jun-tao LI, Shi-gang SUN. Preparation and Lithium Storage Performance of Sn-SnSb Nanoparticles[J]. Journal of Electrochemistry, 2014 , 20(4): 360-364.
DOI: 10.13208/j.electrochem.130402
Available at: https://jelectrochem.xmu.edu.cn/journal/vol20/iss4/10

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