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屏南时代新材料技术有限公司

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№ CN122916088AInvention
Unknown

一种储能型磷酸铁锂正极材料及其制备方法和应用

本申请涉及电池正极材料技术领域，公开了一种储能型磷酸铁锂正极材料及其制备方法和应用，包括以下步骤：步骤（1）：将铁源、锂源、磷源、碳源、分散剂与纯水制成浆料，粗磨，细磨，喷雾干燥，一次烧结，粉碎，得到磷酸铁锂一烧基体；步骤（2）：将所述磷酸铁锂一烧料基体与磷酸盐添加剂混合，二次烧结，冷却，粉碎，得到所述储能型磷酸铁锂正极材料。本申请的储能型磷酸铁锂正极材料的制备方法，通过加入磷酸盐添加剂，并控制磷化铁中的Fe与磷酸盐添加剂中的Li和P摩尔比范围（Li:Fe:P=1:0.96‑0.98:1），既可以消除磷化铁杂相，提高安全性能，还可以降低Fe反位程度，提高容量和循环性能。

❖广东邦普循环科技有限公司; 屏南时代新材料技术有限公司; 宜昌邦普时代新能源有限公司段辉; 阮丁山; 张苗; 甘掌根; 杜锐; 郭雯静Oct 16, 2026§ 3/10 ClaimsC01B 25/45 (2006.01), H01M 4/58 (2010.01), H01M 10/0525 (2010.01)54