锂离子电池负极材料PAN-ACF/SnO2的研究

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以聚丙烯腈基活性碳纤维(PAN-ACF)和SnCl2为原料,采用溶胶-凝胶法制备PAN-ACF/SnO2复合材料并将其用作锂离子电池负极材料。采用X射线衍射仪(XRD)分析材料的组成及晶体结构;用扫描电镜(SEM)观察样品形貌;用热失重分析(TGA)对复合材料中SnO2的含量进行测定;用恒流充放电、交流阻抗(EIS)和循环伏安(CV)对复合材料作为锂离子电池负极材料的电化学性能进行表征。结果表明,SnO2的含量对产物的形貌、结构和电化学性能有重要的影响。所制得的PAN-ACF/SnO2复合材料中SnO2的
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