通过碳化吸附在SnO2/TiO2电极上的葡萄糖制备出C/SnO2/TiO2纳米复合电极材料.采用晶体粉末衍射仪(XRD)、场发射扫描电镜(SEM)、X射线能谱分析(EDS)等手段对复合电极进行了表征.将复合电极作为锂离子电池负极材料,通过循环伏安和计时电位法研究了其电化学性能.结果表明,在大的电流密度200 μA·cm2下循环30次后,放电容量仍保持在120.1 μAh·cm2.相比SnO2/TiO2电极,C/SnO2/TiO2复合电极电化学性能显著提高,交流阻抗谱图也显示C/SnO2/TiO2纳米复合材料拥有更低的电荷转移电阻.
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