Progress and Challenge of Amorphous Catalysts for Electrochemical Water Splitting,ACS Materials Letters

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Progress and Challenge of Amorphous Catalysts for Electrochemical Water Splitting
ACS Materials Letters ( IF 9.6 ) Pub Date : 2020-12-21 , DOI: 10.1021/acsmaterialslett.0c00502
Yao Zhou ₁ , Hong Jin Fan ₁

Affiliation

Electrochemical water splitting has been regarded a promising technology to provide a mobile and sustainable energy supply in the form of hydrogen fuel. The key to further development towards industrial application lies in high-efficiency and low-cost electrocatalysts. In recent years, new attention has been paid to amorphous electrocatalysts, which have short-range atomic ordering instead of translational periodicity. The structural flexibility and rich defects associated with amorphous catalyst materials offer enormous opportunities for electrochemical water splitting. In this Perspective, we elaborate on recent studies of amorphous electrocatalysts for electrochemical water splitting. Our discussion covers the diverse amorphization strategies, the positive role of structural flexibility and defects in enriching active sites, as well as challenges in the characterization of local geometry and in improving electrochemical stability. Finally, we conclude with prospective remarks for future development in amorphous electrocatalyst materials for electrochemical water splitting.

中文翻译：

电化学水分解用非晶态催化剂的研究进展与挑战

电化学水分解被认为是一种有前途的技术，可以以氢燃料的形式提供移动和可持续的能源供应。向工业应用进一步发展的关键在于高效和低成本的电催化剂。近年来，人们对非晶态电催化剂给予了新的关注，非晶态电催化剂具有短程原子序而不是平移周期性。与非晶态催化剂材料相关的结构柔性和丰富的缺陷为电化学水分解提供了巨大的机会。在此观点下，我们详细介绍了用于电化学水分解的无定形电催化剂的最新研究。我们的讨论涵盖了各种非晶化策略，结构灵活性和缺陷在丰富活动位点方面的积极作用，以及在局部几何结构表征和提高电化学稳定性方面的挑战。最后，我们总结了用于电化学水分解的无定形电催化剂材料未来发展的前景。

更新日期：2021-01-04

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