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应用电化学稳态极化方法,研究1M NaOH电解液中镍硫合金电极表面析氢反应电催化活性与沉积层中含硫量之间的关系。根据析氢反应机理,用理论电化学极化方程拟合实验稳态极化曲线,得到不同含硫量的镍硫合金电极表面氢原子吸附和脱附反应的速率常数、反应对称系数等动力学参数。
Electrochemical steady-state polarization method was used to study the relationship between the electrocatalytic activity of hydrogen evolution reaction on the surface of Ni-S alloy electrode and the sulfur content in sediment layer in 1 M NaOH electrolyte. According to the mechanism of hydrogen evolution reaction, the experimental steady-state polarization curve was fitted by the theoretical electrochemical polarization equation to get the kinetic parameters such as rate constant and reaction symmetry coefficient of hydrogen adsorption and desorption on the surface of Ni-S alloy electrodes with different sulfur contents .