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首页> 外文期刊>Catalysis science & technology >The impact of microstructural features of carbon supports on the electrocatalytic hydrogen evolution reaction
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The impact of microstructural features of carbon supports on the electrocatalytic hydrogen evolution reaction

机译：碳的微观结构特征的影响支持在electrocatalytic氢进化的反应

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摘要

Tremendous efforts are underway to design and develop Pt-less electrocatalysts for the hydrogen evolution reaction (HER). Because of its low cost and high electrical conductivity, carbon is used as a support material for the dispersion of active sites. While carbon supports play a critical role in the HER, the impact of key microstructural attributes of carbon on the properties and the performance of electrodes is yet to be determined. Herein, an attempt is made to investigate how certain carbon features determine the properties and the performance of electrodes towards the HER. This is exemplified by dispersing iron monophosphide (FeP) on three types of carbon supports with different properties, such as morphology, specific surface area, and electrical conductivity. The change in the electrode's properties, such as specific surface area, electrochemically active surface area, intrinsic electrical conductivity, surface charge transfer resistance, turnover frequency, and Tafel slopes, before and after FeP loading is examined and correlated with the performance. The findings of this study provide fresh impetus for designing and developing Pt-free active electrodes for the HER.
机译：正在进行中,以设计和巨大的努力开发Pt-less electrocatalysts氢(她)进化反应。和高导电性,使用碳作为一个支持材料的色散活跃的网站。她的关键作用,关键的影响碳的微观结构属性属性和电极的性能尚未确定。研究某些碳特性确定的属性和性能电极向她。通过分散铁monophosphide(聚全氟乙丙烯)3支持不同类型的碳的属性,如形态、特定的表面区域和导电性。电极的属性,如具体表面积,电化学表面区域,本征电导率、表面电荷转移电阻,周转频率,和塔菲尔斜坡,聚全氟乙丙烯加载之前和之后检查和相关性能。结果本研究提供新的动力设计和开发Pt-free活跃电极的她。

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