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本文提出在多晶铂电极上吸附氢原子间的排斥能估算方案,并导出氢吸(脱)附过程的I-η曲线。结果表明,氢在面心立方金属一类的电极上,吸(脱)附过程由于晶面特性而分阶段进行,在I-η曲线上出现几个相应的电流峰。铂电极实验结果与理论曲线基本一致。
In this paper, we propose a scheme for estimating the repulsive energy of hydrogen atoms adsorbed on a polycrystalline platinum electrode and derive the I-η curve of the hydrogen adsorption (desorption) process. The results show that the hydrogen adsorption and desorption process is carried out in stages due to the characteristics of the crystal plane. Several corresponding current peaks appear in the I-η curve. The experimental results of platinum electrode and the theoretical curve are basically the same.