聚阴离子型二次离子电池正极材料研究进展

闫琦, 兰元其, 姚文娇, 唐永炳

Recent development of polyanionic cathodes for second ion batteries

Qi YAN, Yuanqi LAN, Wenjiao YAO, Yongbing TANG

图1 (a) LiFePO4晶胞结构示意图[8]；(b) LiFePO4半电池首圈充放电循环后的穆斯堡尔图谱[9]；(c) 不同放电速率下MWCNT-90% LiFePO4半电池的放电电压曲线[13]；(d) 在170 mA/g的电流密度下MWCNT-90% LiFePO4半电池的循环性能曲线[13]

Fig. 1 (a) crystal structure of LiFePO4[8]; (b) mossbauer map of LiFePO4 half cell after the first charge-discharge cycle[9]; (c) discharge voltage curve of MWCNT-90% LiFePO4 half battery at different discharge rates[13]; (d) cyclic performance curve of MWCNT-90% LiFePO4 half cell at 170 mA/g current density[13]