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电化学  2013 

PAni/Si/G/C复合材料的制备及电化学性能

, PP. 184-188

Keywords: 锂离子电池,负极材料,,聚苯胺

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Abstract:

通过球磨及高温固相法制得了Si/C复合材料,并氧化合成聚苯胺包覆于硅碳复合材料的表面.采用XRD、SEM、红外和热重分析观察复合材料形貌、分析样品结构,循环伏安法和充放电测试表征PAni/Si/G/C电极电化学性能.结果表明,PAni/Si/C复合材料表面覆盖了较为完整的片层状结构的聚苯胺膜,可逆容量高达784mAh.g-1,50次周期循环后,嵌锂容量保持在690mAh?g-1.

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