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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202207305
|2 doi
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|a pubmed24n1159.xml
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|a (DE-627)NLM347963633
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|a (NLM)36281796
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
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|a Sun, Lizhi
|e verfasserin
|4 aut
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|a Mesoporous PdN Alloy Nanocubes for Efficient Electrochemical Nitrate Reduction to Ammonia
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|c 2023
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 05.01.2023
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|a Date Revised 11.01.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2022 Wiley-VCH GmbH.
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|a Developing highly active and selective electrocatalysts for electrochemical nitrate reduction reaction (NITRR) is very important for synthesizing recyclable ammonia (NH3 ) in an economic and environmentally friendly manner. Despite some encouraging progress, their activity and selectivity have been remarkably slower than expected. In this manuscript, mesoporous palladium-nonmetal (meso-PdX) nanocubes (NCs) are reported as a new series of highly efficient electrocatalysts for selective nitrate reduction reaction (NITRR) electrocatalysis to NH3 . The samples feature uniformly alloyed compositions and highly penetrated mesopores with abundant highly active sites and optimized electronic structures. The best meso-PdN NCs hold an outstanding NITRR activity and selectivity with a remarkable NH3 Faradaic efficiency of 96.1% and a yield rate of 3760 µg h-1 mg-1 , suppressing the state-of-the-art electrocatalysts. Meanwhile, meso-PdN NCs are electrocatalytically stable, retaining well the activity and selectivity of NO3 - -to-NH3 electrocatalysis for more than 20 cycles. Detailed mechanism studies ascribe the superior performance to combined compositional and structural synergies of meso-PdN NCs that not only promote the adsorption (reactivity) of NO3 - and the desorption of NH3 but also increase the retention time of key intermediates for the deeper NITRR electrocatalysis to NH3 through an eight-electron pathway
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|a Journal Article
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|a NH3 production
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|a PdN
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|a mesoporous metals
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|a nitrate reduction reaction
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|a selective catalysis
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|a Liu, Ben
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 1 vom: 30. Jan., Seite e2207305
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:35
|g year:2023
|g number:1
|g day:30
|g month:01
|g pages:e2207305
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|u http://dx.doi.org/10.1002/adma.202207305
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