钠离子电池层状氧化物正极材料及其制备方法和应用

By forming a dense coating layer on the surface of the layered oxide cathode material, the problem of the material's reactivity in air was solved by using calcium and fluorine source dopants, thereby improving its air stability and storage performance.

CN115548308BActive Publication Date: 2026-07-17ZHEJIANG NATRIUM ENERGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
ZHEJIANG NATRIUM ENERGY CO LTD
Filing Date
2022-10-13
Publication Date
2026-07-17

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Abstract

本发明公开了一种钠离子层状氧化物正极材料及其制备方法。本发明的正极材料，其结构通式为NazA(1‑x)BxCyO(2‑y)，其中，A为过渡金属元素，所述过渡金属元素具有电化学活性，选自但不限于Ni、Fe、Co、Mn、V、Cr、Cu、Ti中的至少一种；B选自Ca；C选自F。本发明还提供该正极材料的制备方法。本发明制备得到的钠离子层状氧化物正极材料在运输、存储及使用上大幅度降低了对环境的要求，具有良好的应用前景。
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