Electrode–Electrolyte Engineering and In Situ Spectroscopy for Urea Electrosynthesis from Carbon Dioxide and Nitrate Co-Reduction

JACS Au, Journal Year: 2025, Volume and Issue: unknown

Published: April 3, 2025

The biogeochemical cycles of carbon and nitrogen are globally disturbed due to the intensive use fossil fuels fertilizers, which is reflected by accumulation dioxide in atmosphere nitrate water streams. co-electroreduction a promising low-carbon alternative for urea synthesis that would help reestablish both cycles. This Perspective highlights importance rational catalyst electrolyte engineering enable electrochemical synthesis. Although field has gained significant attention over past few years, fundamental research under well-defined conditions remains underexplored. We highlight investigating structure-sensitivity effects on C-N coupling through complementary situ spectroscopy online techniques. Model studies, including surface-sensitive investigations, will be crucial understand molecular mechanisms thus rationally design more efficient systems electrosynthesis, paving way their scalable industrial applications.

Language: Английский

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Recent innovations in urea synthesis via electrochemical C-N coupling reaction: insights and perspectives

DELETED, Journal Year: 2025, Volume and Issue: unknown

Published: April 15, 2025

Language: Английский

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Advances in the Structure–Activity Relationship of Electrocatalytic C–N Coupling: From Nanocatalysis to Single Metal Site Catalysis

ACS Nano, Journal Year: 2025, Volume and Issue: unknown

Published: May 14, 2025

C-N coupling is crucial for constructing amides and amines involves various fields, including medicine, chemical industries, agriculture, energy. With the rapid development of electrocatalytic continuous improvement catalytic performance, this field has aroused extensive research interest. A comprehensive review urgently needed to summarize structure-activity relationship, key challenges, future directions. This provides a concise overview recent advancements from nanocatalysis single metal site catalysis reactions. We mechanisms using different nitrogen sources further analyze influences active centers coordination environments on thereby elucidating relationship. Moreover, we discuss dynamic structural evolution sites during reaction. Finally, present current challenges perspectives in field. aims provide valuable insights into advanced nano/single catalysts reactions along with deeper understanding mechanisms.

Language: Английский

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Enhanced Electrocatalytic C–N Coupling through Essential Electrochemical Potential Modulation of Cluster‐Modified MXene

Small, Journal Year: 2025, Volume and Issue: unknown

Published: May 19, 2025

Abstract Urea stands as a vital industrial material with notable applications in energy and agriculture. However, the Haber–Bosch synthesis process, characterized by high consumption emissions, poses significant challenges. Electrocatalytic C–N coupling offers promising alternative but is constrained scarcity of efficient catalysts. In this work, Cr 4 /Ti 2 CO emerged an optimal candidate remarkable low overpotential 0.29 V kinetic barrier 0.40 eV. A comprehensive investigation into influence electrochemical potential on revealed that d orbitals active sites different chemical environments within clusters led to distinct hybridization mechanisms π * adsorbed N , which defined Mixed Cooperative Orbital Hybridization Mechanism. Specifically, synergistic activation N≡N bond d(x ‐y ) top atom d‐band center bottom atoms determined critical step under electrode regulation. Additionally, demonstrated catalytic activity at versus reversible hydrogen (RHE) acidic conditions (pH 0). These findings not only rationalize design electrocatalyst for urea also elucidates electronic underlying potential‐dependent activity.

Language: Английский

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Recent Advances in Solar‐Driven Artificial Photocatalytic Synthesis of Urea

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: May 24, 2025

Abstract Urea (CO(NH 2 ) ), a nitrogen‐rich compound, is widely used as nitrogen fertilizer in agriculture, key component medicine, and raw material chemical production. The continuously growing demand for urea has spurred an escalation Considering the impacts of byproducts during production, it urgent to explore cost‐effective environmentally benign synthesis methods. Artificial photosynthesis, which utilizes renewable solar power convert carbon dioxide (CO (N not only provides sustainable alternative but also reduces emissions fixes simultaneously. This review delves into C−N coupling pathways, intermediates, their detection methodologies photocatalytic It discusses rational design selection targeted photocatalysts toward synthesis, highlighting characteristics that determine rate‐limiting steps. Furthermore, systematically examines challenges evaluates viable solutions overcome these limitations. By identifying current obstacles proposing potential strategies, this aims advance artificial photosynthesis eco‐friendly approach insights presented herein seek bridge fundamental research with practical applications, ultimately fostering progress energy‐efficient fixation technologies.

Language: Английский

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Oxygen-Vacancy-Engineered Cr₂CO₂ Electrocatalysts for Efficient Urea Synthesis from Nitrite and Carbon Monoxide

Applied Catalysis B Environment and Energy, Journal Year: 2025, Volume and Issue: unknown, P. 125327 - 125327

Published: March 1, 2025

Language: Английский

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Electrocatalytic nitrite conversion to ammonia over Mn single atoms anchored on MoO3-x

Fuel, Journal Year: 2024, Volume and Issue: 381, P. 133394 - 133394

Published: Oct. 9, 2024

Language: Английский

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