Articles with "nitrate ammonia" as a keyword



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Conjugated Coordination Polymer as a New Platform for Efficient and Selective Electroreduction of Nitrate into Ammonia

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Published in 2023 at "Advanced Materials"

DOI: 10.1002/adma.202209855

Abstract: Electroreduction of nitrate into ammonia (NRA) provides a sustainable route to convert the widespread nitrate pollutants into high‐value‐added products under ambient conditions, which unfortunately suffers from unsatisfactory selectivity due to the competitive hydrogen evolution reaction… read more here.

Keywords: coordination; conjugated coordination; nitrate ammonia; electroreduction nitrate ... See more keywords
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The Insight of the Hydrogenation Selectivity of the Electrocatalytic Nitrate-to-Ammonia Reduction Reaction via Enhancing the Proton Transport.

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Published in 2022 at "ChemSusChem"

DOI: 10.1002/cssc.202102450

Abstract: The electrocatalytic nitrate-to-ammonia reduction reaction route (NARR) is one of the emerging routes toward the green ammonia synthesis, and its conversion efficiency is controlled mainly by the hydrogenation selectivity. This study proposed a likely NARR… read more here.

Keywords: nitrate ammonia; electrocatalytic nitrate; ammonia; reduction ... See more keywords
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Electronic Metal-Support Interaction Triggering Interfacial Charge Polarization over CuPd/N-Doped-C Nanohybrids Drives Selectively Electrocatalytic Conversion of Nitrate to Ammonia.

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Published in 2022 at "Small"

DOI: 10.1002/smll.202203335

Abstract: Selective electrocatalytic nitrate-to-ammonia conversion holds significant potential in treatment of nitrate wastewater and simultaneously produces high-value-added ammonia. However, today's development of nitrate-to-ammonia technology remains hindered by the lack of electrocatalysts with high activity and selectivity.… read more here.

Keywords: nitrate ammonia; cupd; nitrate; electronic metal ... See more keywords
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Concave-convex surface oxide layers over copper nanowires boost electrochemical nitrate-to-ammonia conversion

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Published in 2021 at "Chemical Engineering Journal"

DOI: 10.1016/j.cej.2021.130759

Abstract: Abstract The room-temperature nitrate electroreduction to ammonia recycles the fixed nitrogen and offers an appealing ammonia-synthesis scenario. Electrocatalyst engineering is of vital importance to accelerate the reaction kinetics and increase the product selectivity during nitrate… read more here.

Keywords: concave convex; nitrate ammonia; surface; convex surface ... See more keywords
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Electrocatalytic Hydrogenation Boosts Reduction of Nitrate to Ammonia over Single-Atom Cu with Cu(I)-N3C1 Sites.

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Published in 2022 at "Environmental science & technology"

DOI: 10.1021/acs.est.2c04456

Abstract: The conversion of nitrate to ammonia can serve two important functions: mitigating nitrate pollution and offering a low energy intensity pathway for ammonia synthesis. Conventional ammonia synthesis from electrocatalytic nitrate reduction reactions (NO3RR) is often… read more here.

Keywords: hydrogenation; nitrate; energy; nitrate ammonia ... See more keywords
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PdP2 Nanoparticles on Reduced Graphene Oxide: A Catalyst for the Electrocatalytic Reduction of Nitrate to Ammonia.

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Published in 2023 at "Inorganic chemistry"

DOI: 10.1021/acs.inorgchem.3c01046

Abstract: Palladium phosphides are explored as efficient catalysts for the electrocatalytic reduction of nitrate to ammonia (NRA). The explored PdP2 nanoparticles on reduced graphene oxide exhibit the maximum NH3 Faradaic efficiency of 98.2% with a corresponding… read more here.

Keywords: nanoparticles reduced; reduction nitrate; electrocatalytic reduction; nitrate ammonia ... See more keywords
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Potential-Driven Restructuring of Cu Single Atoms to Nanoparticles for Boosting the Electrochemical Reduction of Nitrate to Ammonia.

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Published in 2022 at "Journal of the American Chemical Society"

DOI: 10.1021/jacs.2c02262

Abstract: Restructuring is ubiquitous in thermocatalysis and of pivotal importance to identify the real active site, yet it is less explored in electrocatalysis. Herein, by using operando X-ray absorption spectroscopy in conjunction with advanced electron microscopy,… read more here.

Keywords: single atoms; reduction nitrate; electrochemical reduction; nitrate ammonia ... See more keywords
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Efficient electrocatalytic reduction of nitrate to ammonia over fibrous SmCoO3 under ambient conditions.

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Published in 2023 at "Chemical communications"

DOI: 10.1039/d3cc00889d

Abstract: We report SmCoO3 nanofibers as an efficient catalyst for nitrate reduction to ammonia. This catalyst achieves a large NH3 yield of 14.4 mg h-1 mgcat.-1 and a high faradaic efficiency of 81.3% at -1.0 V… read more here.

Keywords: efficient electrocatalytic; reduction nitrate; nitrate; electrocatalytic reduction ... See more keywords
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Novel Ni foam catalysts for sustainable nitrate to ammonia electroreduction.

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Published in 2022 at "Journal of hazardous materials"

DOI: 10.26434/chemrxiv-2022-6x1v6

Abstract: Electrochemical nitrate reduction (NO3-RR) is considered a promising approach to remove environmentally harmful nitrate from wastewater while simultaneously producing ammonia, a product with high value. An important consideration is the choice of catalyst, which is… read more here.

Keywords: novel foam; nitrate ammonia; foam catalysts; ammonia ... See more keywords