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Citation: FAN Xiao-Yong, ZHUANG Quan-Chao, WEI Guo-Zhen, KE Fu-Sheng, HUANG Ling, DONG Quan-Feng, SUN Shi-Gang. Fabrication and Performance of Cu₆Sn₅ Alloy Anode Using Porous Cu as Current Collector[J]. Acta Physico-Chimica Sinica, ;2009, 25(04): 611-616. doi: 10.3866/PKU.WHXB20090403 shu

Fabrication and Performance of Cu₆Sn₅ Alloy Anode Using Porous Cu as Current Collector

1.
School of Materials Science and Engineering, Chang'an University, Xi'an 710061, P. R. China; 2State Key Laboratory for Physical Chemistry of Solid Surfaces, Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, Fujian Province, P. R. China

Received Date: 31 October 2008
Available Online: 11 February 2009

Porous Cu was fabricated by electrodeposition through a kinetic template of hydrogen bubbles. The product was subsequently annealed to increase its structural stability. The Cu-Sn alloy was then electrodeposited onto porous Cu which served as a current collector. X-ray diffraction (XRD) studies ascertained that the composition of the Cu-Sn alloy was Cu6Sn5 and scanning electron microscopy (SEM) investigations showed a three-dimensional (3D) porous structure of the electrode. The first charge/discharge capacities of the Cu6Sn5 alloy electrode were measured respectively at 735 and 571 mAh·g-1, and a od retention of the capacities has been determined. Interfacial properties of the Cu6Sn5 alloy electrode in a commercial electrolyte were also studied by electrochemical impedance spectroscopy (EIS).
- Porous Cu current collector,
- Cu6Sn5 alloy,
- Lithiumion battery,
- Anode,
- Electrochemicalimpedance spectroscopy
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Fabrication and Performance of Cu6Sn5 Alloy Anode Using Porous Cu as Current Collector

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通讯作者: 陈斌, bchen63@163.com

Fabrication and Performance of Cu₆Sn₅ Alloy Anode Using Porous Cu as Current Collector