钠离子电池正极材料VOPO4·2H2O纳米片的合成与电化学性能
张香华, 骆微, 芮先宏, 余彦

Preparation and electrochemical performance of VOPO4·2H2O nanosheet cathode for sodium-ion batteries
Xianghua ZHANG, Wei LUO, Xianhong RUI, Yan YU
图6 VOPO4·2H2O正极材料的交流阻抗图及其等效电路图(a)Z?ω1/2在低频区的拟合曲线图(b)
Fig.6 Nyquist plots and equivalent circuit (a) and fitting linear of Z′ versus ω-1/2 at low frequencies of the VOPO4·2H2O cathodes