钛基体阴极充氢处理对RuO2-IrO2-TiO2 阳极微观结构和性能的影响

刘鹏鹤, 薛丽莉, 许立坤, 辛永磊, 郭明帅, 周帅, 段体岗

Effect of Hydrogen Pre-charging for Ti-substrate on Microstructure and Electrochemical Properties of Ti/RuO2-IrO2-TiO2 Anode

LIU Penghe, XUE Lili, XU Likun, XIN Yonglei, GUO Mingshuai, ZHOU Shuai, DUAN Tigang

表1 未充氢和经不同电流密度充氢钛基体的EIS拟合参数

Table 1 Fitting parameters of EIS of titanium substrates uncharged and charged with hydrogen at different cathode current densities

I / mA·cm-2 Rs / Ω·cm2 Qf / μΩ·cm2·S n n1 Rf / kΩ·cm2 Qct / µΩ·cm2·S n n2 Rct / kΩ·cm2 Uncharged 36.0 23.0 0.95 962 3.03 0.88 2970 50 34.0 30.5 0.94 63.9 12.7 0.73 150 100 33.9 32.7 0.92 14.8 13.7 0.71 108 250 33.5 36.3 0.88 8.09 16.5 0.74 91.1 500 34.5 38.9 0.93 5.51 17.3 0.70 63.9