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Cathodic Evolution of Hydrogen on Platinum-Modified Nickel Foam Catalyst

机译：铂改性镍泡沫催化剂上氢的阴极析出

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摘要

This paper reports on cathodic evolution of hydrogen, examined at Pt-modified nickel foam material. Hydrogen evolution reaction (HER) was studied in 0.1 M NaOH solution on platinum-activated nickel foam catalyst material, obtained via a spontaneous deposition method. Catalytic Pt modification of nickel foam resulted in a substantial enhancement of the HER kinetics, as compared to those recently recorded on Pd/Ru-modified Ni foam catalyst materials. Electrochemical investigations were carried out by means of AC impedance spectroscopy and quasi-potentiostatic cathodic polarization experiments. In addition, importance of nano-catalytic nature of the Pt deposit and its influence on the HER characteristics were discussed in detail with help of SEM/EDX spectroscopy analysis.
机译：本文报道了在Pt改性镍泡沫材料上检查到的氢的阴极逸出情况。通过自发沉积法在铂活化镍泡沫催化剂材料上的0.1 M NaOH溶液中研究了析氢反应（HER）。与最近在Pd / Ru改性的Ni泡沫催化剂材料上记录的结果相比，镍泡沫的Pt催化改性导致HER动力学大大提高。通过交流阻抗谱和准恒电位阴极极化实验进行了电化学研究。此外，借助SEM / EDX光谱分析，详细讨论了Pt沉积物的纳米催化性质的重要性及其对HER特性的影响。

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