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240229s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202314351
|2 doi
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|a pubmed24n1432.xml
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|a (NLM)38408278
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Zhong, Wei
|e verfasserin
|4 aut
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|a RhNi Bimetallenes with Lattice-Compressed Rh Skin towards Ultrastable Acidic Nitrate Electroreduction
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 07.06.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2024 Wiley‐VCH GmbH.
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|a Harvesting recyclable ammonia (NH3) from acidic nitrate (NO3 -)-containing wastewater requires the utilization of corrosion-resistant electrocatalytic materials with high activity and selectivity towards acidic electrochemical nitrate reduction (NO3ER). Herein, ultrathin RhNi bimetallenes with Rh-skin-type structure (RhNiRh BMLs) are fabricated towards acidic NO3ER. The Rh-skin atoms on the surface of RhNi@Rh BMLs experience the lattice compression-induced strain effect, resulting in shortened Rh-Rh bond and downshifted d-band center. Experimental and theoretical calculation results corroborate that Rh-skin atoms can inhibit NO2*/NH2* adsorption-induced Rh dissolution, contributing to the exceptional electrocatalytic durability of RhNi@Rh BMLs (over 400 h) towards acidic NO3ER. RhNi@Rh BMLs also reveal an excellent catalytic performance, boasting a 98.4% NH3 Faradaic efficiency and a 13.4 mg h-1 mgcat -1 NH3 yield. Theoretical calculations reveal that compressive stress tunes the electronic structure of Rh skin atoms, which facilitates the reduction of NO* to NOH* in NO3ER. The practicality of RhNi@Rh BMLs has also been confirmed in an alkaline-acidic hybrid zinc-nitrate battery with a 1.39 V open circuit voltage and a 10.5 mW cm-2 power density. This work offers valuable insights into the nature of electrocatalyst deactivation behavior and guides the development of high-efficiency corrosion-resistant electrocatalysts for applications in energy and environment
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|a Journal Article
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|a Rh dissolution
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|a RhNi bimetallenes
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|a ammonia production
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|a compressive stress
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|a electrochemical nitrate reduction
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| 700 |
1 |
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|a Hong, Qing-Ling
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ai, Xuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Chong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Fu-Min
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Xi-Fei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Yu
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 23 vom: 01. Juni, Seite e2314351
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
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|g volume:36
|g year:2024
|g number:23
|g day:01
|g month:06
|g pages:e2314351
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|u http://dx.doi.org/10.1002/adma.202314351
|3 Volltext
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