Development of a high surface area Cu electrocatalyst for effective nitrous oxide reduction reaction

Nilvichean, Siraphat; Meesombat, Kornkamon; Butburee, Teera; Chakthranont, Pongkarn; Methaapanon, Rungthiwa

doi:10.1039/d2re00249c

Cited by 4 publications

(1 citation statement)

References 38 publications

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“…The recent upsurge in interest in N 2 ORR has prompted researchers to explore both homogeneous , and heterogeneous , catalysts for N 2 ORR. Homogeneous catalysts demonstrate exceptional metal atom utilization and adjustable catalytic activity; however, the challenge lies in the recovery of used catalysts.…”

Section: Introductionmentioning

confidence: 99%

High-Efficiency Electrocatalytic Reduction of N₂O with Single-Atom Cu Supported on Nitrogen-Doped Carbon

Li,

Wu,

Wang

et al. 2024

Environ. Sci. Technol.

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Nitrous oxide (N 2 O) is a potent greenhouse gas with a high global warming potential, emphasizing the critical need to develop efficient elimination methods. Electrocatalytic N 2 O reduction reaction (N 2 ORR) stands out as a promising approach, offering room temperature conversion of N 2 O to N 2 without the production of NO x byproducts. In this study, we present the synthesis of a copper-based single-atom catalyst featuring atomic Cu on nitrogen-doped carbon black (Cu 1 −NCB). Attributed to the highly dispersed single-atom Cu sites and the effective suppression of the hydrogen evolution reaction, Cu 1 −NCB demonstrated an optimal N 2 faradaic efficiency (82.1%) and yield rate (3.53 mmol h −1 mg metal −1 ) at −0.2 and −0.5 V vs RHE, respectively, outperforming previously reported N 2 ORR electrocatalysts. Further, a gas diffusion electrode cell was employed to improve mass transfer and achieved a 28.6% conversion rate of 30% N 2 O with only a 14 s residence time, demonstrating the potential for practical application. Density functional theory calculations identified Cu−N 4 as the crucial active site for N 2 ORR, highlighting the significance of the unsaturated coordination and metal−support electronic structure. O-terminal adsorption of N 2 O was favored, and the dissociative adsorption (*ON 2 → *O + N 2 ) was the rate-determining step. These findings reveal the broad prospects of N 2 O decomposition via electrocatalysis.

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Section: Introductionmentioning

confidence: 99%

High-Efficiency Electrocatalytic Reduction of N₂O with Single-Atom Cu Supported on Nitrogen-Doped Carbon

Li,

Wu,

Wang

et al. 2024

Environ. Sci. Technol.

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show abstract

Energy generation from waste packaging plastic via thermo-catalytic pyrolysis using catalysts produced from spent aluminum hydroxide nanoparticles

Lal,

Gupta,

Goyal

et al. 2023

Clean Techn Environ Policy

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Nitrous acid electroreduction on macroporous silver foam

Sun,

Zhou,

Melin

et al. 2024

Journal of Electroanalytical Chemistry

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Development of a high surface area Cu electrocatalyst for effective nitrous oxide reduction reaction

Abstract: Electrochemical reduction of nitrous oxide (N2ORR) into benign nitrogen (N2) under mild reaction conditions is one approach for reducing emissions of this long-lived anthropogenic greenhouse gas and their environmental impact....

Cited by 4 publications

References 38 publications

High-Efficiency Electrocatalytic Reduction of N₂O with Single-Atom Cu Supported on Nitrogen-Doped Carbon

High-Efficiency Electrocatalytic Reduction of N₂O with Single-Atom Cu Supported on Nitrogen-Doped Carbon

Energy generation from waste packaging plastic via thermo-catalytic pyrolysis using catalysts produced from spent aluminum hydroxide nanoparticles

Nitrous acid electroreduction on macroporous silver foam

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Development of a high surface area Cu electrocatalyst for effective nitrous oxide reduction reaction

Abstract: Electrochemical reduction of nitrous oxide (N2ORR) into benign nitrogen (N2) under mild reaction conditions is one approach for reducing emissions of this long-lived anthropogenic greenhouse gas and their environmental impact....

Cited by 4 publications

References 38 publications

High-Efficiency Electrocatalytic Reduction of N2O with Single-Atom Cu Supported on Nitrogen-Doped Carbon

High-Efficiency Electrocatalytic Reduction of N2O with Single-Atom Cu Supported on Nitrogen-Doped Carbon

Energy generation from waste packaging plastic via thermo-catalytic pyrolysis using catalysts produced from spent aluminum hydroxide nanoparticles

Nitrous acid electroreduction on macroporous silver foam

Contact Info

Product

Resources

About

High-Efficiency Electrocatalytic Reduction of N₂O with Single-Atom Cu Supported on Nitrogen-Doped Carbon

High-Efficiency Electrocatalytic Reduction of N₂O with Single-Atom Cu Supported on Nitrogen-Doped Carbon