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Synthesis and Performance of Nickel/Reduced Graphene Oxide Hybrid for Hydrogen Evolution Reaction

机译:氢气进化反应镍/氧化铟烯氧化物杂种的合成与性能

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In this work, a simple and reproducible method for the syntheses of hybrid nickel/reduced graphene oxide electrodes is presented. This method consists in a direct modification of a conventional nickel electrodeposition bath, making the synthesis industrially scalable. The synthesized catalyst is structural and electrochemically characterized and compared to the traditional electrodeposited nickel. The kinetics of hydrogen evolution reaction (HER) is studied on both conventional nickel watts (Ni-watts) and nickel/reduced graphene oxide hybrid (NirGO). An increment in the catalytic activity is observed along with the absence of nickel hydrides. Thus, the NirGO catalyst presents a higher catalytic activity towards HER, and the presence of graphene in the Ni matrix inhibits the nickel hidruration.
机译:在这项工作中,提出了一种简单且可重复的混合镍/还原氧化物电极的合成方法。 该方法包括在常规镍电沉积浴的直接修改,使合成工业上可扩展。 合成催化剂是结构和电化学表征的,并与传统的电沉积镍相比。 在常规镍瓦特(Ni-Watts)和镍/还原氧化物杂交(NIRGO)上研究了氢进化反应(她)的动力学。 催化活性的增量随着氢化镍的不存在而观察到。 因此,Nirgo催化剂呈现较高的催化活性,并且Ni基质中的石墨烯的存在抑制镍HidRuration。

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