氮掺杂对碳纳米颗粒缓蚀性能的影响

王晶, 王斯琰, 张崇, 王文涛, 曹星, 樊宁, 徐宏妍

Effect of Nitrogen Doping on Corrosion Inhibition Performance of Carbon Nanoparticles

WANG Jing, WANG Siyan, ZHANG Chong, WANG Wentao, CAO Xing, FAN Ning, XU Hongyan

表2 Q235钢在3种溶液中的极化曲线拟合参数

Table 2 Fitting parameters of polarization curves of Q235 steel in 1 mol/L HCl solutions without and with 50 mg/L CNPs or 50 mg/L N-CNPs

Concentration Ecorr / V vs. SCE Icorr / A·cm-2 ba / mV·dec-1 bc / mV·dec-1 Inhibition efficiency 1 mol/L HCl -0.44 2.441×10-4 89.574 92.868 --- 50 mg/L CNPs -0.462 8.097×10-5 83.935 92.584 66.82% 50 mg/L N-CNPs -0.482 3.029×10-5 93.492 92.807 87.59%