以乳酸(LA)为配位剂,Ti(OC4H-H9)4和LiAc·2H2O为原料,通过溶胶-凝胶法制备具有优良电化学性能的电极材料Li4Ti5O12.采用热重分析(TG)、X射线衍射(XRD)、扫描电镜(SEM)、恒流充放电以及循环伏安(CV)等方法对合成的材料进行结构表征和电化学性能测试.结果表明:在800℃烧结18 h制备的样品颗粒分布均匀、结晶度良好、电化学性能优良.0.5 C倍率的首次放电比容量为184.32 mA·h/g,50次循环后仍然保持在155.62mA·h/g.
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