一种磷酸铁锂复合物及其制备方法
本发明提供一种磷酸铁锂复合物及其制备方法,该制备方法将玻璃化温度匹配喷雾干燥工艺温度的嵌段共聚物作为碳源的一部分,其在喷雾干燥过程中能够均匀附着并包覆活性成分颗粒形成较为规整的球形前驱体粉末,该粉末经焙烧后得到的磷酸铁锂复合物仍保有较为规整的球形外观,因而具备较高的压实密度,以其作为正极材料可改善电池的倍率性能。
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