Kyung-Won Jeon, Siming Huo, Briana I. Espinosa, Xianqin Wang
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引用次数: 0
Abstract
Ammonia, essential for agriculture fertilizers and as an energy carrier, is traditionally produced by the energy-intensive Haber–Bosch process, which is a significant energy consumer and a notable contributor to CO2 emissions. The electrochemical nitrate reduction reaction (NO3RR) to produce ammonia presents a promising and environmentally friendly solution, allowing to reduce NO3− contamination in waste water resources. This review covers recent trends in noble and non-noble metal-based catalysts, single-atomic metal catalysts, and metal-free catalysts for NO3RR. Specifically, it was found that transition metals were effective in enhancing electron transfer in the NO3RR due to their d-orbital energy levels. Furthermore, alloys or single atomic catalysts with transition metals have been studied to improve NO3RR performance by adjusting the crystal plane or generating oxygen vacancies. Metal-free catalysts have been investigated and have exhibited great potentials in the NO3RR. It was revealed that tuning the electronic properties can effectively suppress the side reactions and increase the ammonia yield and Faradaic efficiency. This review aims to provide guidance for catalyst design and performance improvement in future NO3RR research.
期刊介绍:
Topics in Catalysis publishes topical collections in all fields of catalysis which are composed only of invited articles from leading authors. The journal documents today’s emerging and critical trends in all branches of catalysis. Each themed issue is organized by renowned Guest Editors in collaboration with the Editors-in-Chief. Proposals for new topics are welcome and should be submitted directly to the Editors-in-Chief.
The publication of individual uninvited original research articles can be sent to our sister journal Catalysis Letters. This journal aims for rapid publication of high-impact original research articles in all fields of both applied and theoretical catalysis, including heterogeneous, homogeneous and biocatalysis.