Preparation and Electrochemical Performance of Three-Dimensional Porous SnCo Alloy Electrode

Authors

Lian-jie XUE, Department of Chemistry,College of Chemistry and Chemical Engneering,;
Ling HUANG, Department of Chemistry,College of Chemistry and Chemical Engneering,;
Fu-sheng KE, Department of Chemistry,College of Chemistry and Chemical Engneering,;State Key Lab for Physical Chemistry of Solid Surface,Xiamen University,Xiamen 361005,Fujian,China;
Guo-zhen WEI, Department of Chemistry,College of Chemistry and Chemical Engneering,;State Key Lab for Physical Chemistry of Solid Surface,Xiamen University,Xiamen 361005,Fujian,China;
Xiao-mei ZHENG, Department of Chemistry,College of Chemistry and Chemical Engneering,;State Key Lab for Physical Chemistry of Solid Surface,Xiamen University,Xiamen 361005,Fujian,China;
Jun-tao LI, Department of Chemistry,College of Chemistry and Chemical Engneering,;State Key Lab for Physical Chemistry of Solid Surface,Xiamen University,Xiamen 361005,Fujian,China;
Xiao-yong Fan, Department of Chemistry,College of Chemistry and Chemical Engneering,;State Key Lab for Physical Chemistry of Solid Surface,Xiamen University,Xiamen 361005,Fujian,China;
Shi-gang SUN, Department of Chemistry,College of Chemistry and Chemical Engneering,;State Key Lab for Physical Chemistry of Solid Surface,Xiamen University,Xiamen 361005,Fujian,China;

Abstract

Three-dimensional porous Cu film was prepared by electroless plating,and used as a current collector for preparation of three-dimensional structured SnCo alloy electrode,which was mainly prepared by an electrodeposition method,and composed of pure Sn and CoSn2 phases. Electrochemical experimental results show that three-dimensional structured SnCo alloy electrode exhibits much better cycleability than planar SnCo alloy electrode,with first discharge capacity and charge capacity of 636. 3 and 528. 7 mAh·g-1,respectively. After 70th cycling,capacity retention is 83. 1% with 529. 5 mAh·g-1. The lithiation process during first discharge was investigated by electrochemical impedance spectroscopy

Keywords

porous Cu, lithium ion batteries, SnCo alloy electrode, anode, electrochemical impedance spectroscopy

DOI Link

https://doi.org/10.61558/2993-074X.2051

Publication Date

2010-05-28

Online Available Date

2010-05-28

Revised Date

2010-05-28

Received Date

2010-05-28

Recommended Citation

Lian-jie XUE, Ling HUANG, Fu-sheng KE, Guo-zhen WEI, Xiao-mei ZHENG, Jun-tao LI, Xiao-yong Fan, Shi-gang SUN. Preparation and Electrochemical Performance of Three-Dimensional Porous SnCo Alloy Electrode[J]. Journal of Electrochemistry, 2010 , 16(2): 161-167.
DOI: 10.61558/2993-074X.2051
Available at: https://jelectrochem.xmu.edu.cn/journal/vol16/iss2/2

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