Rational engineering design of nickel hydroxides for urea oxidation reaction: A mini-review

IF 4.7 3区工程技术 Q2 ELECTROCHEMISTRY

Electrochemistry Communications Pub Date : 2023-10-14 DOI:10.1016/j.elecom.2023.107599

Shun Lu , Xingqun Zheng , Ling Fang , Fengjun Yin , Hong Liu

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引用次数: 3

Abstract

Nickel hydroxide (Ni(OH)₂) are promising catalysts for efficient urea oxidation reactions (UOR), which can address the energy and environmental concerns associated with urea-containing wastewater. In addition to their low thermodynamic potential, this reaction can be used for energy-saving hydrogen production instead of the traditional oxygen evolution reaction. However, the sluggish kinetics and complex six-electron transfer process severely hamper the electrocatalytic performance of Ni(OH)₂ electrocatalysts. To overcome those challenges, various strategies such as morphological design, heteroatom doping, surface vacancy, heterostructure, and supporting materials for Ni(OH)₂ in UOR have been explored. This comprehensive summary highlights the significant research efforts in utilizing Ni(OH)₂ for urea electrooxidation. The current challenges and prospects of Ni(OH)₂ in UOR are also discussed, aiming to inspire further exploration in achieving efficient urea conversion.

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尿素氧化反应用氢氧化镍的合理工程设计

氢氧化镍（Ni（OH）2）是高效尿素氧化反应（UOR）的有前途的催化剂，可以解决与含尿素废水相关的能源和环境问题。除了热力学潜力低外，该反应可用于节能制氢，而不是传统的析氧反应。然而，缓慢的动力学和复杂的六电子转移过程严重阻碍了Ni（OH）2电催化剂的电催化性能。为了克服这些挑战，已经探索了各种策略，如UOR中Ni（OH）2的形态设计、杂原子掺杂、表面空位、异质结构和支撑材料。这篇综合综述强调了利用Ni（OH）2进行尿素电氧化的重大研究工作。还讨论了Ni（OH）2在UOR中的挑战和前景，旨在激励人们在实现高效尿素转化方面的进一步探索。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Electrochemistry Communications 工程技术-电化学

CiteScore

8.50

自引率

3.70%

发文量

160

审稿时长

1.2 months

期刊介绍： Electrochemistry Communications is an open access journal providing fast dissemination of short communications, full communications and mini reviews covering the whole field of electrochemistry which merit urgent publication. Short communications are limited to a maximum of 20,000 characters (including spaces) while full communications and mini reviews are limited to 25,000 characters (including spaces). Supplementary information is permitted for full communications and mini reviews but not for short communications. We aim to be the fastest journal in electrochemistry for these types of papers.