采用阳极氧化法制备了高度有序的TiO2纳米管阵列,借助XRD、TEM、SEM、EDX以及恒流充/放电方法以及循环伏安法研究了其微观结构、形貌及脱/嵌锂性能,并与锐钛矿型进行了比较研究.结果表明:阳极氧化法制备的TiO2纳米管阵列为无定形的非晶相结构,且沿垂直于钛片表面的方向定向排列;450℃热处理2h可促使TiO2纳米管由非晶相结构转变成锐钛矿型晶体,但并没有明显影响纳米管阵列的形貌;与锐钛矿型TiO2纳米管阵列电极相比,非晶态电极表现出了较高的脱/嵌锂容量,因为非晶态电极中的无序结构和缺陷为Li+脱/嵌提供了更多的空间和空位.
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