Emerging Trends in Two-Dimensional Nanomaterials for Electrocatalytic Nitrate-to-Ammonia Conversion

IF 8.2 2区材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY

ACS Applied Materials & Interfaces Pub Date : 2025-05-02 DOI:10.1021/acsami.5c04070

Mo Wei, Yuting Huang, Yuao Wei, Shuo Chen, Ziyi Zhang, Zhou Ge, Jie Chen, Faisal Saleem, Wenjing Liu

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Abstract

Electrocatalytic nitrate reduction to ammonia (ENRA) has emerged as a promising strategy due to its dual functionality in wastewater treatment and sustainable ammonia synthesis. Two-dimensional (2D) nanomaterials offer the exposure of highly active sites, tunability of the electronic structure, and enhanced mass transfer capabilities, thereby optimizing the atomic-scale kinetics of the nitrate reduction reaction and improving the ammonia synthesis efficiency. This review provides a comprehensive overview of recent advances in the field of 2D nanomaterials. Initially, fundamental mechanisms are examined. Subsequently, the paper explores the advantages of 2D materials, including metallic variants (e.g., metals, metal oxides, metal hydroxides, metal carbides, metal nitrides, metal borides, and 2D-confined single-atom catalysts) as well as 2D nonmetallic materials, focusing on their roles in nitrate activation and proton-coupled electron transfer processes. Finally, this review provides a prospective development of 2D catalysts, addressing the challenges related to long-term stability under industrial-grade current densities and outlining potential avenues for future research in this area.

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电催化硝酸盐转化为氨的二维纳米材料的新趋势

电催化硝酸还原制氨（ENRA）由于其在废水处理和可持续合成氨方面的双重功能而成为一种很有前途的策略。二维（2D）纳米材料提供了高活性位点的暴露，电子结构的可调节性，以及增强的传质能力，从而优化了硝酸盐还原反应的原子尺度动力学，提高了氨合成效率。本文综述了二维纳米材料领域的最新进展。首先，检查基本机制。随后，本文探讨了二维材料的优势，包括金属变异体（如金属、金属氧化物、金属氢氧化物、金属碳化物、金属氮化物、金属硼化物和二维受限单原子催化剂）以及二维非金属材料，重点研究了它们在硝酸盐活化和质子耦合电子转移过程中的作用。最后，本文展望了二维催化剂的发展前景，解决了在工业级电流密度下长期稳定性的挑战，并概述了该领域未来研究的潜在途径。

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来源期刊

ACS Applied Materials & Interfaces 工程技术-材料科学：综合

CiteScore

16.00

自引率

6.30%

发文量

4978

审稿时长

1.8 months

期刊介绍： ACS Applied Materials & Interfaces is a leading interdisciplinary journal that brings together chemists, engineers, physicists, and biologists to explore the development and utilization of newly-discovered materials and interfacial processes for specific applications. Our journal has experienced remarkable growth since its establishment in 2009, both in terms of the number of articles published and the impact of the research showcased. We are proud to foster a truly global community, with the majority of published articles originating from outside the United States, reflecting the rapid growth of applied research worldwide.