ABSTRACT Ni-W electrodes with differing tungsten content as electrocatalysts for the hydrogen evolution reaction (HER) were prepared by pulse plating. The structural and morphological characterisations of the electrodes were analysed using X-ray diffraction (XRD), scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDX), respectively. The electrocatalytic activity for the HER has been evaluated using chronopotentiometry, cathodic polarisation, and cyclic voltammetry techniques. Addition of tungsten in the electrode contributes to enhancement of electrocatalytic performance by the degree of increased amorphisation of structure.

中文翻译：

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脉冲镀镍钨合金涂层在碱性电解液中的电催化性能

摘要 通过脉冲电镀制备了具有不同钨含量的 Ni-W 电极作为析氢反应 (HER) 的电催化剂。分别使用 X 射线衍射 (XRD)、扫描电子显微镜 (SEM) 和能量色散 X 射线光谱 (EDX) 分析电极的结构和形态特征。已使用计时电位法、阴极极化和循环伏安法技术评估了 HER 的电催化活性。在电极中添加钨有助于通过增加结构的非晶化程度来提高电催化性能。