目录摘要.................................................................................................................1ABSTRACT.....................................................................................................2第1章国内外研究综述..................................................................................31.1引言......................................................................................................31.2锂离子电池简述..................................................................................31.2.1正极材料....................................................................................41.2.2负极材料....................................................................................61.3硅基负极材料简述..............................................................................81.4硅纳米材料的制备..............................................................................91.4.1气相法........................................................................................91.4.2固相法......................................................................................101.4.3液相法......................................................................................101.5硅碳负极包覆结构............................................................................101.5.1核壳型......................................................................................111.5.2蛋黄-壳型.................................................................................111.5.3多孔型......................................................................................12第2章实验内容............................................................................................142.1实验材料............................................................................................142.2硅的表面包覆....................................................................................142.3形貌表征和电化学测试仪器............................................................152.3.1场发射扫描电子显微镜（SEM）..........................................152.3.2X射线衍射仪（XRD）...........................................................152.3.3比表面积及孔径分布分析仪..................................................152.3.4循环性能测试..........................................................................162.3.5倍率测试..................................................................................16第3章结果与讨论........................................................................................173.1样品的扫描电镜分析........................................................................173.2比表面积分析....................................................................................183.3XRD分析...........................................................................................193.4倍率性能测试....................................................................................203.5循环性能测试....................................................................................22第四章结论....................................................................................................24参考文献.........................................................................................................25致谢.....................................
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