Recent research progress on building C–N bonds via electrochemical NOx reduction

Udayasurian, Shaktiswaran R.; Li, Tengfei

doi:10.1039/d3nr06151e

Nanoscale

2024

DOI: 10.1039/d3nr06151e

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Recent research progress on building C–N bonds via electrochemical NO_x reduction

Shaktiswaran R. Udayasurian,

Tengfei Li

Abstract: The release of NOx species (such as nitrate, nitrite and nitric oxide) into water and atmosphere due to human being’s agricultural and industrial activities has caused a series of environmental...

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Cited by 5 publications

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Research Progress of Catalysts with Atomic‐Scale Reactive Sites in Urea Electrosynthesis

Lu,

Zhan,

Chen

et al. 2024

ChemCatChem

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Urea (CO(NH2)2) is the main component of nitrogen‐based fertilizers and is widely used in various industries. Until now, urea production is conducted under high‐temperature and high‐pressure conditions, which involves a considerable carbon footprint. Urea electrosynthesis, which is powered by renewable energy‐derived electricity, has emerged as a sustainable single‐step process for urea production. The development of efficient and stable catalysts is the key to improving the efficiency of urea electrosynthesis. In this review, we summarized the research progress and applications of catalysts with atomic‐scale reactive sites in urea electrosynthesis. First, the catalytic mechanisms of urea electrosynthesis from CO2 and various nitrogenous molecules are discussed. Then, typical electrocatalysts such as single‐atom electrocatalysts, dual‐atom electrocatalysts, clusters, atomic dopants, vacancies, and so forth, are discussed. Furthermore, characterization methods for atomic‐scale reactive sites are summarized. Finally, challenges and suggestions for urea electrosynthesis are proposed. We hope this review can provide some inspiration toward the development of catalysts for efficient and sustainable urea electrosynthesis.

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Research Progress of Catalysts with Atomic‐Scale Reactive Sites in Urea Electrosynthesis

Lu,

Zhan,

Chen

et al. 2024

ChemCatChem

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Utilization of Reactive Nitrogen Compounds for Nitrogen Circular Economy

Kimura

2024

The Chemical Record

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Nitrogen oxides (NOx) should be purified according to environmental regulations, being restricted increasingly year by year. A wide variety of denitration technologies, such as selective catalytic reduction (SCR) of NOx to nitrogen (N2) and NOx storage reduction (NSR) to N2 by injecting reducing agents like ammonia (NH3), has so far been developed practically. Sophisticated catalytic approaches are perhaps mandatory for the sustainability in energy including complete purification of NOx. As one of the solutions to overcome problems for environment and resource simultaneously, this concept article focuses on the utilization of reactive nitrogen (Nr) compounds, mainly NOx, for encouraging an opening to consider nitrogen circular economy. For the recycling of NOx via NH3, a challenging but rational catalytic technology can be proposed by an alternate switching the inlet gas between NOx containing oxidative gas and H2 containing reductive one without an operation to change the reaction temperature. Considering the reactivity of NOx higher than that of N2, this kind of NOx to NH3 (NTA) process is promising for synthesizing NH3, being valuable not only as fertilizer but also as fuel in near future.

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Upgrading of nitrate to hydrazine through cascading electrocatalytic ammonia production with controllable N-N coupling

Jia,

Zhang,

Liu

et al. 2024

Nat Commun

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Recent research progress on building C–N bonds via electrochemical NO_x reduction

Abstract: The release of NOx species (such as nitrate, nitrite and nitric oxide) into water and atmosphere due to human being’s agricultural and industrial activities has caused a series of environmental...

Cited by 5 publications

References 90 publications

Research Progress of Catalysts with Atomic‐Scale Reactive Sites in Urea Electrosynthesis

Research Progress of Catalysts with Atomic‐Scale Reactive Sites in Urea Electrosynthesis

Utilization of Reactive Nitrogen Compounds for Nitrogen Circular Economy

Upgrading of nitrate to hydrazine through cascading electrocatalytic ammonia production with controllable N-N coupling

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