用高温固相法合成锂、铁位掺杂的Li0.98M0.02Fe0.9Ti0.1PO4/C(M=Na、Mg和Al),并用XRD、SEM、能量色散谱、循环伏安和恒流充放电等方法进行分析.Li0.98Al0.02Fe0.9Ti0.1PO4/C的振实密度为1.48g/cm3;在2.4～4.2 V循环,0.2 C、5.0 C首次放电比容量分别为160.8 mAh/g和100.6 mAh/g,第20次5.0 C循环的放电比容量为94.3 mAh/g.%Li0.98M0.02Fe0.9Ti0.1PO4/C (M = Na, Mg and Al) doped with lithium and iron sites was prepared via high-temperature solid-state method, then analyzed by XRD, SEM, energy dispersive spectroscopy spectrum, cyclic voltammetry and galvanostatic charge-discharge methods. The tap density of Li0.98Al0.02Fe0.9Ti0.1PO4/C was 1.48 g/cm3 .When cycled in 2.4 ～ 4.2 V,the 0. 2 C,5.0 C initial specific discharge capacity was 160.8 mAh/g and 100.6 mAh/g, respectively, t he specific discharge capacity in the 20th cycle (5.0 C) was 94.3 mAh/g.
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