Iron phthalocyanine hollow architecture enabled ammonia production via nitrate reduction to achieve 100 % Faradaic efficiency

Applied Catalysis B Environment and Energy, Journal Year: 2023, Volume and Issue: 343, P. 123580 - 123580

Published: Nov. 29, 2023

Language: Английский

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Exploring two decades of graphene: The jack of all trades

Applied Materials Today, Journal Year: 2024, Volume and Issue: 36, P. 102066 - 102066

Published: Jan. 24, 2024

Language: Английский

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Fe(TCNQ)₂ nanorod arrays: an efficient electrocatalyst for electrochemical ammonia synthesis via the nitrate reduction reaction

Journal of Materials Chemistry A, Journal Year: 2023, Volume and Issue: 12(6), P. 3352 - 3361

Published: Dec. 2, 2023

Nitrate, a water-pollutant, is converted to valuable product ammonia electrochemically using Fe(TCNQ) 2 /CF nanorod arrays with yield rate 11351.6 μg h –1 cm –2 and faradaic efficiency 85.2% under ambient conditions.

Language: Английский

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Enhancing Electrochemical Reactivity with Magnetic Fields: Unraveling the Role of Magneto‐Electrochemistry

Small Methods, Journal Year: 2024, Volume and Issue: 8(7)

Published: Jan. 14, 2024

Abstract Electrocatalysis performs a vital role in numerous energy transformation and repository mechanics, including power cells, Electric field‐assisted catalysis, batteries. It is crucial to investigate new methods improve electrocatalytic performance if effective long‐lasting systems are developed. The modulation of catalytic activity selectivity by external magnetic fields over electrochemical processes has received lot interest lately. How the use various electrocatalysis great promise for building selective catalysts, opening door advancement sophisticated conversion discussed. Furthermore, challenges possibilities incorporating into suggestions future research areas

Language: Английский

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Magneto‐Electrochemical Ammonia Synthesis: Boosting Nitrite Reduction Activity by the Optimized Magnetic Field Induced Spin Polarized System

Advanced Energy Materials, Journal Year: 2024, Volume and Issue: 14(42)

Published: Sept. 25, 2024

Abstract Using low and optimized magnetic field along with electric is a novel strategy to facilitate electrochemical nitrite reduction reaction (NO 2 RR). Herein, the assisted electrocatalytic ammonia synthesis employing spin‐thrusted β‐MnPc at 95 mT explored. The calculated rate of generation 16603.4 µg h −1 mg cat , which almost twice that nonpolarized manganese phthalocyanine (MnPc) catalyst. Additionally, Faradaic efficiency (FE) –0.9 V versus RHE found be 92.9%, significantly higher compared MnPc In presence external field, catalysts provide better electron transfer channel results in lower charge resistance hence performances. Density functional theory (DFT) result further verifies induced has potential barrier (0.51 eV) for protonation NO* than (1.08 eV), confirms enhanced ammonia.

Language: Английский

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Boosting Selective Nitrogen Oxidation to Nitric Acid by Synergizing Cobalt Phthalocyanine on Carbon Nitride Surface

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: June 14, 2024

Abstract The Ostwald process, which is producing HNO 3 for commercial use, involves the catalytic oxidation of NH and a series chemical reactions conducted under severe operating conditions. Due to their energy‐intensive nature, these activities play major role in greenhouse gas emissions global energy consumption. In response urgent requirements environmental sectors, there an increasingly critical need develop novel, highly efficient, environmentally sustainable methods. Herein, CoPc/C N 4 electrocatalyst, integrating CoPc nanotubes with C nanosheets, shown. electrocatalyst demonstrates yield rate 871.8 µmol h −1 g cat at 2.2 V, corresponding Faradaic efficiency (FE) 46.4% 2.1 notably surpasses that CoPc. Through combination experimental investigations density functional theory (DFT) calculations, this study shows anchored on effectively simplifies adsorption activation chemically inactive nitrogen molecules. improved activity composite system may be reason re‐distribution charges over CoPc, tuning valence orbital Co center due presence 2D layer . This mechanism significantly lowers barrier required breaking inert 2 , ultimately leading significant improvement efficiency.

Language: Английский

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Boosting nitrate electroreduction to ammonia on atomic Ru-Co pair sites in hollow spinels

Applied Catalysis B Environment and Energy, Journal Year: 2024, Volume and Issue: 358, P. 124387 - 124387

Published: July 9, 2024

Language: Английский

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Spin-mediated electrocatalytic nitrate reduction to ammonia on two-dimensional transition metal borides

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 159775 - 159775

Published: Jan. 1, 2025

Language: Английский

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Controlling electrocatalytic nitrate reduction efficiency by utilizing dπ–pπ interactions in parallel stacking molecular systems

Chemical Science, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

The orientation of β-CuPc favours the overlap central Cu with N parallel molecules, which is reason behind high electrical conductivity and selectivity in NH 3 production via nitrate reduction, impossible other polymorphs.

Language: Английский

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Hollow PdCuCo medium-entropy alloy on reduced graphene oxide with proton-mediator boosted tandem catalysis for high-performance nitrate reduction

Applied Catalysis B Environment and Energy, Journal Year: 2024, Volume and Issue: 361, P. 124609 - 124609

Published: Sept. 16, 2024

Language: Английский

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