Construction of hierarchical nanostructures and NiO nanosheets@nanorods for efficient urea electrooxidation

Li, Qing; Guo, Xiaotian; Wang, Jiajia; Pang, Huan

doi:10.1016/j.cclet.2022.107831

Chinese Chemical Letters

2023

DOI: 10.1016/j.cclet.2022.107831

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Construction of hierarchical nanostructures and NiO nanosheets@nanorods for efficient urea electrooxidation

Qing Li

Xiaotian Guo

Jiajia Wang

et al.

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2024

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Cited by 2 publications

References 37 publications

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Dehydrogenative Coupling of LLM-116 over Copper–Nickel Oxide Nanoparticles: TEMPO-Mediated Homogeneous Electrocatalysis

Wang,

Zhang,

Tang

et al. 2024

ACS Sustainable Chem. Eng.

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The electrosynthesis of 1,2-bis(3,5-dinitro-1H-pyrazol-4-yl)diazene (H 2 NPA) attained a notably high Faradaic efficiency (FE) of 81.69% in 0.1 M LiOH at 1.65 V RHE with CuO−NiO spherical nanoparticles as the anode and 2,2,6,6-tetramethylpiperidine-N-oxyl (TEMPO) as the electrocatalytic mediator, effectively circumventing the environmental contamination and heterogeneous oxidation associated with strong oxidants. This synergistic catalysis facilitates the synthesis of six derivatives at a lower potential, resulting in substantial energy savings. NiO doping demonstrates a significant catalytic effect, with NiOOH serving as the critical active component. TEMPO facilitates favorable thermodynamics by offering a more suitable reduction potential. Mechanism studies indicate that coupling of the active group −NH occurs prior to dehydrogenation. This study presents a novel strategy for the organic electrosynthesis of nitro-containing energetic materials, leveraging the synergistic catalysis of electrode materials and electrocatalytic mediators.

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Dehydrogenative Coupling of LLM-116 over Copper–Nickel Oxide Nanoparticles: TEMPO-Mediated Homogeneous Electrocatalysis

Wang,

Zhang,

Tang

et al. 2024

ACS Sustainable Chem. Eng.

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P-Regulated Hierarchical Structure Ni2P Assemblies toward Efficient Electrochemical Urea Oxidation

Li,

Zhang,

et al. 2024

Acta Physico-Chimica Sinica

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Construction of hierarchical nanostructures and NiO nanosheets@nanorods for efficient urea electrooxidation

Cited by 2 publications

References 37 publications

Dehydrogenative Coupling of LLM-116 over Copper–Nickel Oxide Nanoparticles: TEMPO-Mediated Homogeneous Electrocatalysis

Dehydrogenative Coupling of LLM-116 over Copper–Nickel Oxide Nanoparticles: TEMPO-Mediated Homogeneous Electrocatalysis

P-Regulated Hierarchical Structure Ni2P Assemblies toward Efficient Electrochemical Urea Oxidation

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