Recent Advances in Electrocatalytic Nitrate Reduction to Ammonia: Mechanism Insight and Catalyst Design,ACS Sustainable Chemistry & Engineering

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Recent Advances in Electrocatalytic Nitrate Reduction to Ammonia: Mechanism Insight and Catalyst Design
ACS Sustainable Chemistry & Engineering ( IF 7.1 ) Pub Date : 2023-05-16 , DOI: 10.1021/acssuschemeng.3c01084
Yue Cao ₁ , Shengbo Yuan ₁ , Linghu Meng ₁ , Yingying Wang ₁ , Yan Hai ₁ , Senda Su ₁ , Wenming Ding ₁ , Zhenyu Liu ₁ , Xiaoman Li ₁ , Min Luo ₁

Affiliation

Excessive discharge of nitrate pollutants has caused an imbalance in the nitrogen cycle, which has threatened human health and ecosystems. Clean electrocatalytic nitrate reduction technology can convert nitrate into high value-added ammonia to control water pollution, truly realizing “turning waste into treasure”. This review highlights the latest mechanisms proposed by combining in situ characterization and discusses the various intermediates produced during the reaction process and the key steps that determine the reaction rate. Meanwhile, four common catalyst synthesis strategies are systematically summarized. These strategies have exhibited preeminent results in terms of conductivity and active sites and inhibition of side effects. Finally, the challenges and difficulty of electrocatalytic nitrate reduction into ammonia (NRA) in the process of development and the main development direction in the future are discussed. The engineering strategies for increasing the electrocatalytic stability and performance are also discussed. This review aims to provide guidance for efficient electrocatalytic nitrate conversion and promotes the advancement of sustainable nitrogen chemistry.

中文翻译：

电催化硝酸盐还原成氨的最新进展：机制洞察和催化剂设计

硝酸盐污染物的过量排放导致氮循环失衡，威胁着人类健康和生态系统。清洁电催化硝酸盐还原技术可将硝酸盐转化为高附加值的氨，治理水体污染，真正实现“变废为宝”。这篇综述强调了通过原位结合提出的最新机制表征并讨论了反应过程中产生的各种中间体以及决定反应速率的关键步骤。同时，系统总结了四种常见的催化剂合成策略。这些策略在电导率和活性位点以及抑制副作用方面表现出卓越的结果。最后，讨论了电催化硝酸盐还原成氨（NRA）在发展过程中面临的挑战和难点以及未来的主要发展方向。还讨论了提高电催化稳定性和性能的工程策略。本综述旨在为高效电催化硝酸盐转化提供指导，促进可持续氮化学的发展。

更新日期：2023-05-16

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