以偏硼酸锂和草酸亚铁为原料,采用固相反应合成了动力锂离子电池用新型正极材料LiFeBO3,并用LiFePO4对该材料进行表面包覆处理；采用XRD、SEM、恒流恒压充放电等方法对样品进行了表征.实验结果表明,LiFeBO3具有较高的放电质量比容量,而且包覆LiFePO4后的LiFeBO3具有更好的电化学性能,15％LiFePO4包覆的LiFeBO3首次放电比容量达190mAh/g,0.5C倍率下充放电循环50次后容量衰减只有4.1％.
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