(湘潭大学 化学学院 环境友好化学与应用教育部重点实验室，湘潭 411105)
摘 要: 通过球磨CuF2和MoO3的混合物，制成CuF2/MoO3复合材料。通过X射线衍射(XRD)、扫描电镜(SEM)和电化学测试等研究CuF2/MoO3复合材料的结构和电化学性能。结果表明：MoO3晶粒均匀地附着在CuF2的表面，形成均匀的导电网，从而使制备的CuF2/MoO3复合材料具有高导电性，可作为锂一次电池正极活性材料。以0.1C倍率放电，截止电压为1.5 V，CuF2/MoO3复合材料放电比容量高达483mA∙h/g，放电电位平台为2.5 V，明显高于CuF2正极材料的278 mA∙h/g，接近其理论容量528 mA∙h/g。
关键字: 锂一次电池；正极材料；CuF2/MoO3复合材料；电化学性能
（Key Laboratory of Environmentally Friendly Chemistry and Applications, Ministry of Education, School of Chemistry, Xiangtan University, Xiangtan 411105, China）
Abstract:The CuF2/MoO3 composite was prepared by milling the mixture of CuF2 and MoO3. The structural and electrochemical properties of the CuF2/MoO3 composite were investigated by X-ray diffraction (XRD), scanning electron microscope (SEM) and electrochemical experiments. The results indicate that the MoO3 grains homogeneously coat on the surface of CuF2 and then form a high conductive matrix, which can be used for cathode material of lithium primary batteries. The specific discharge capacity of CuF2/MoO3 composite is as high as 483 mA∙h/g at a rate of 0.1C and the cutoff of 1.5 V, which is apparently higher than that of the lithium primary battery using pure CuF2 (278 mA∙h/g) as cathode active material and close to the theoretical specific capacity of CuF2 (528 mA∙h/g).
Key words:lithium primary , battery; cathode material; CuF2/MoO3 composite; electrochemical performance
Key words: lithium primary , battery; cathode material; CuF2/MoO3 composite; electrochemical performance
