一种正极活性材料及其制备方法和应用
本发明提供一种正极活性材料及其制备方法和应用,所述正极活性材料包括内核、以及存在于所述内核至少部分表面的包覆层,所述包覆层包括含锂化合物,所述含锂化合物占所述包覆层的质量百分含量≥95%。本发明提供的正极活性材料比容量和存储性能优异,因此,可提高电池的能量密度和存储性能。
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