仅以乙醇和四水合醋酸锰为原料,快速低成本地合成了介孔四氧化三锰纳米棒,并将其应用于锂离子电池负极材料.通过X射线衍射、热重分析仪、扫描电子显微镜、透射电子显微镜和比表面积仪等分析手段对四氧化三锰样品进行了表征.实验结果表明:介孔四氧化三锰纳米棒的平均直径约为150 rm,孔的尺寸范围为6～20 nm,BET比表面积高达37.3 m2/g.同时,介孔四氧化三锰纳米棒负极材料在141 mA/g的电流密度下循环100次后可逆充放电容量为676.1和662.4 mAh/g,而且其在不同的电流密度下继续循环80次后可逆放电容量高达850 mAh/g,体现出了较高的容量、好的循环稳定性能和倍率性能.
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