articleACS Sustainable Chemistry & EngineeringJan 21, 2026Closed access

Reconstructed Cu 2 O@CuCo Heterostructure with Accelerated Hydrogenation Kinetics for Air Plasma-Derived Ammonia Synthesis

GJGaoming JinPCPengzuo ChenYXYun Xiang Tong

Zhejiang Sci-Tech University

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Abstract

Ammonia (NH3) is a key chemical for sustainable energy and nitrogen utilization, and air plasma-derived electrochemical NH3 synthesis offers a promising alternative to traditional methods, yet significant challenges remain. Here, we develop an R-Cu2O@CuCo catalyst with abundant heterogeneous interfaces and strong electronic interactions via a facile chemical synthesis and electroreduction reconstruction strategy, exhibiting excellent NO2–-to-NH3 performance. Benefiting from the efficient activation of active hydrogen intermediates by R-Cu2O@CuCo, NH3 Faradaic efficiencies (FE) exceeding 90% are achieved over a wide voltage range (0 V vs RHE to −0.5 V vs RHE), with maximum FE and NH3 yield reaching 95.4% at…

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5
total citations
FWCI
22.43
Percentile
100%
References
53
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3

Topics & keywords

Topics
Keywords
  • Faraday efficiency
  • Ammonia production
  • Catalysis
  • Ammonia
  • Chemical energy
  • Heterojunction
  • Electrochemistry
  • Reversible hydrogen electrode
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