Silicon Nanowires as Anode Materials for Lithium Ion Batteries

Authors

Yan-peng FU, State Key Lab for Physical Chemistry of Solid Surfaces and Department of Chemistry,College of Chemistry and Chemical Engineering,Xiamen University,Xiamen 361005,Fujian,China;
Hui-xin CHEN, State Key Lab for Physical Chemistry of Solid Surfaces and Department of Chemistry,College of Chemistry and Chemical Engineering,Xiamen University,Xiamen 361005,Fujian,China;
Yong YANG, State Key Lab for Physical Chemistry of Solid Surfaces and Department of Chemistry,College of Chemistry and Chemical Engineering,Xiamen University,Xiamen 361005,Fujian,China;

Abstract

The SiNWs electrodes were fabricated by coating and direct growth methods,respectively.The structure,morphology and electrochemical performance of such materials were characterized by XRD,SEM and charge-discharge tests.The results show that the electrodes prepared by direct growth method had higher capacity,better battery life and also displayed and excellent cyclability at higher currents.During the process of lithiation,the initial crystalline Si transformed to amorphous LixSi,and the average diameter of the SiNWs increased.Despite the large volume changed,the SiNWs remained intact and did not break into smaller particles.

Keywords

Silicon, nanowires, anode materials, electroperformance, lithium-ion batteries, coating method, direct growth method

DOI Link

https://doi.org/10.61558/2993-074X.1955

Publication Date

2009-02-28

Online Available Date

2009-02-28

Revised Date

2009-02-28

Received Date

2009-02-28

Recommended Citation

Yan-peng FU, Hui-xin CHEN, Yong YANG. Silicon Nanowires as Anode Materials for Lithium Ion Batteries[J]. Journal of Electrochemistry, 2009 , 15(1): 56-61.
DOI: 10.61558/2993-074X.1955
Available at: https://jelectrochem.xmu.edu.cn/journal/vol15/iss1/14

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