水性条件下有机物电催化加氢高级催化剂的研究进展

IF 42.9 Q1 ELECTROCHEMISTRY
Ye Zeng , Mengting Zhao , Hongliang Zeng , Qiu Jiang , Fangwang Ming , Kai Xi , Zhoucheng Wang , Hanfeng Liang
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引用次数: 2

摘要

以水为氢供体的有机物电催化加氢(ECH)被认为是一种绿色的有机还原技术,可以取代使用牺牲化学品的传统化学反应。ECH工艺由于其低能耗、低污染、高安全性和卓越的可持续性,在生产增值化学品方面提供了潜在的应用。然而,其应用受到低转化率和对所需产物的低选择性的限制。合理设计电催化剂可以提高ECH的效率。这篇综述涵盖了几种具有代表性的电催化体系(醛、酮、酚类有机物、炔烃和有机氮化合物),并总结了不同的ECH机制,然后深入讨论了目前用于提高催化性能的电催化剂的改性策略。最后,鉴于ECH目前面临的挑战,我们讨论了该领域未来可能的方向,旨在为催化剂设计提供指导,以实现不同有机原料上的高效ECH反应。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Recent progress in advanced catalysts for electrocatalytic hydrogenation of organics in aqueous conditions

Recent progress in advanced catalysts for electrocatalytic hydrogenation of organics in aqueous conditions

Electrocatalytic hydrogenation (ECH) of organics using water as hydrogen donors has been regarded as a green organic reduction technique to replace traditional chemical reactions that use sacrificial chemicals. The development of ECH process provides potential applications in the production of value-added chemicals owing to its low energy consumption, low pollution, high safety, and superior sustainability. However, its application is limited by the low conversion rate and poor selectivity toward desired products. The efficiency of ECH can be improved by rational design of electrocatalysts. This review covers several representative electrocatalytic systems (aldehydes, ketones, phenolic organics, alkynes, and organonitrogen compounds) and summarizes different ECH mechanisms, followed by thorough discussion on the modification strategies of electrocatalysts that are currently adopted to enhance the catalytic performance. Finally, in view of the current challenges for ECH, we discuss possible future directions in the field, aiming to provide guidance to the catalyst design toward highly efficient ECH reactions over different organic feedstocks.

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