锡基复合氧化物的高能球磨法制备及其电化学性能 |
Preparation and Electrochemical Properties of Tin-based Composite Oxide by High-energy Ball-milling Method |
作者 | 单位 | 何则强 | 吉首大学化学化工学院,吉首,416000 中南大学冶金科学与工程学院,长沙,410083 | 李新海 | 中南大学冶金科学与工程学院,长沙,410083 | 熊利芝 | 吉首大学化学化工学院,吉首,416000 | 刘恩辉 | 中南大学冶金科学与工程学院,长沙,410083 | 侯朝辉 | 中南大学冶金科学与工程学院,长沙,410083 |
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摘要: |
关键词: 锡基复合氧化物 锂离子电池 X-射线衍射 循环伏安 |
基金项目: |
Abstract: Tin-based composite oxides anode materials for lithium-ion thin-film batteries have been prepared by high-erergy ball-milling method. The phase evolution, morphology and electrochemical properties of the materials were investigated by X-ray diffraction, scanning electron microscopy, cyclic voltammetry, charge-discharge test. The results show milling can cause the stannous oxide crystal losing its crystalline character and becoming the amorphous structure. The particle size of the powder materials decreases with the increase of ball-milling time. The reversible specific capacity is more than 578 mAh·g-1 and its capacity loss per cycle is only 0.31 % after being cycled 20 times, which indicates that the material prepared by this method has good electrochemical behavior and may be a candidate for the next generation anode materials for lithiumn ion batteries. |
Keywords: tin-based composites oxides lithium ion batteries X-ray diffraction cyclic voltammetry |
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何则强,李新海,熊利芝,刘恩辉,侯朝辉.锡基复合氧化物的高能球磨法制备及其电化学性能[J].无机化学学报,2004,20(1):102-106. |
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