采用升华硫与多壁碳纳米管在一定条件下合成了一种新型纳米含硫复合材料.通过扫描电子显微镜(SEM)和BET比表面积等分析测试手段对复合材料的物理化学性能进行表征,利用循环伏安、交流阻抗和电池充放电对材料的电化学性能进行了测试.结果表明:此复合材料表现出了很好的电化学性能,其初始放电比容量达700 mAh/g,在室温下经过60次循环之后电池放电比容量仍稳定在464 mAh/g,容量保持率大于66%.
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