Transactions of Nonferrous Metals Society of China The Chinese Journal of Nonferrous Metals

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中国有色金属学报(英文版)

Transactions of Nonferrous Metals Society of China

Vol. 17    Special 1    November 2007

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Preparation of Sn nano-film by direct current magnetron sputtering andits performance as anode of lithium ion battery
ZHAO Ling-zhi(赵灵智)1, 2, HU She-jun(胡社军)2, 3, LI Wei-shan(李伟善)2,
HOU Xian-hua(侯贤华)2, LI Chang-ming(李昌明)1, 2, ZENG Rong-hua(

1. Faculty of Material and Energy, Guangdong University of Technology, Guangzhou 510006, China;
2. Department of Chemistry, South China Normal University, Guangzhou 510006, China;
3. Department of Mathematics and Physics, Wuyi University, Jiangmen 529020, China

Abstract:Sn thin film on Cu foil substrate as the anode of lithium ion battery was prepared by direct current magnetron sputtering(DCMS). The surface morphology, composition and thickness and the electrochemical behaviors of the prepared Sn thin film were characterized by scanning electron microscopy(SEM), X-ray diffraction(XRD), inductively coupled plasma atomic emission spectrometry(ICP), cyclic voltammetry(CV) and galvanostatic charge/ discharge(GC) measurements. It is found that the Sn film is consists of pure Sn with an average particle diameter of 100 nm. The thickness of the film is about 320 nm. The initial lithium insertion capacity of the Sn film is 771 mA∙h/g. The reversible capacity of the film is 570 mA∙h/g and kept at 270 mA∙h/g after 20 cycles.

 

Key words: lithium-ion battery; anode; Sn; nano-thin film; direct current magnetron sputtering
     

ISSN 1004-0609
CN 43-1238/TG
CODEN: ZYJXFK

ISSN 1003-6326
CN 43-1239/TG
CODEN: TNMCEW

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