以钛酸四丁酯和乙酸锂为原料,水热法制备前驱体,再经过短时间的高温煅烧制备Li4Ti5O12负极材料.利用XRD、SEM和恒电流充放电方法分别测定材料的结构、形貌以及材料的电化学性能.结果表明:制备出的产物Li4 Ti5O12颗粒具有尖晶石型结构,其中800℃、6h烧结出的样品具有约800 nm的粒径,并表现出优良的电化学性能,0.1C和5C首次放电容量分别达到158.7(mA·h)/g和109.3(mA-h)/g,不同倍率下循环20次容量保持率较好.
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