钠离子电池层状氧化物正极材料的表面修饰研究

戚兴国, 王伟刚, 胡勇胜, 张　强

Surface modification research of layered oxide materials for sodium-ion batteries

Xingguo QI, Weigang WANG, Yongsheng HU, Qiang ZHANG

表3 电化学性能总结表

Table 3 Summary of electrochemical performance

电压范围 材料 比容量/mA·h·g-1 0.5 C倍率/% 1 C倍率/% 1 C 100周循环/% 2.5～4.0 V NFM 126.0 92.9 85.4 81.5 NFM@1%Mn 125.4 95.4 90.4 90.5 NFM@3%Mn 123.1 93.8 85.5 85.4 NFM@5%Mn 120.7 94.0 85.4 75.7 NFM@10%Mn 117.7 90.5 83.4 68.9 2.5～4.1 V NFM 130.2 90.3 86.2 82.4 NFM@1%Mn 131.6 94.6 89.3 84.7 NFM@3%Mn 130.5 92.2 86.7 80.1 NFM@5%Mn 128.4 91.3 83.1 76.9