以月桂酸为碳源和表面活性剂,采用流变相法合成了LiFePO4正极材料,研究了煅烧温度、月桂酸量对LiFePO4晶形结构、形貌以及电化学性能的影响.研究表明,500℃温度、月桂酸量x=nCH3(CH2)10COOH/nLiOH=0.2条件下合成的LiFePO4正极材料为纯相的橄榄石结构,样品颗粒大小较为规则,粒径分布均匀,以0.1C倍率充放电首次放电容量为164.7 mAh·g-1,循环30次容量为151.3 mAh·g-1.
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