探索了用机械合金化制备得到的金属锑与石墨复合材料(Sbx-C1-x,x=0.1~0.4)作为锂离子电池负极材料的电化学吸放锂特性,发现球磨得到的Sbx-C1-x是由微米级Sb颗粒和C所组成的复合物.Sb0.2-C0.8的吸放锂过程实际上是由石墨和金属锑的吸放锂反应组成,首次吸锂容量达705 mAh/g,首次不可逆容量约130 mAh/g.对Sb含量与Sbx-C1-x(x=0.1~0.4)电化学吸放锂性能的关系表明Sb02-C0.8具有最高的首次充放电容量,而碳含量对循环稳定性有较大的影响.
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