针对Co3O4 原料以国产替代进口后生产的钴酸锂 (LiCoO2 )电化学性能不稳的问题 ,采用SEM、XRD结构分析和实际锂离子电池评价LiCoO2 的性能 ,研究了Co3O4 原料的化学和物理性能及微观形貌对合成LiCoO2 产品的微观形貌、电化学性能的影响。通过改变烧制工艺 ,使LiCoO2 的容量从12 8提高到 138mAh/g以上 ,10 0次循环容量下降 15 %以下 ,平台下降从 2 5 %降到 16 % ,其电化学性能与使用进口原料相当 Aiming at the problem of unstable electrochemical performance of LiCoO2 produced by domestic substitution of Co3O4 for raw materials, the properties of LiCoO2 were evaluated by SEM, XRD and actual lithium ion battery. The chemical and physical properties of Co3O4 and Effect of Micromorphology on Morphology and Electrochemical Properties of Synthesized LiCoO2 Products. By changing the firing process, the capacity of LiCoO2 is increased from 12 8 to over 138 mAh / g, the capacity under 10 0 cycles is decreased by 15%, the platform is reduced from 25% to 16%, and the electrochemical performance is comparable to that of imported raw materials