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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202304508
|2 doi
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|a pubmed24n1194.xml
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|a (DE-627)NLM358458447
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|a (NLM)37344386
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Chang, Ziwei
|e verfasserin
|4 aut
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| 245 |
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|a Dual-Site W-O-CoP Catalysts for Active and Selective Nitrate Conversion to Ammonia in a Broad Concentration Window
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|c 2023
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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
|b cr
|2 rdacarrier
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|a Date Revised 11.08.2023
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|a published: Print-Electronic
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|a Citation Status Publisher
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| 520 |
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|a © 2023 Wiley-VCH GmbH.
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|a Environmentally friendly electrochemical reduction of contaminated nitrate to ammonia (NO3 - RR) is a promising solution for large quantity ammonia (NH3 ) production, which, however, is a complex multi-reaction process involving coordination between different reaction intermediates of nitrate reduction and water decomposition-provided active hydrogen (Hads ) species. Here, a dual-site catalyst of [W-O] group-doped CoP nanosheets (0.6W-O-CoPNF) has been designed to synergistically catalyze the NO3 - RR and water decomposition, especially the reactions between the intermediates of NO3 - RR and water decomposition-provided Hads species. This catalytic NO3 - RR exhibits an extremely high NH3 yield of 80.92 mg h-1 cm-2 and a Faradaic efficiency (FE) of 95.2% in 1 m KOH containing 0.1 m NO3 - . Significantly, 0.6W-O-CoP@NF presents greatly enhanced NH3 yield and FE in a wide NO3 - concentration ranges of 0.001-0.1 m compared to the reported. The excellent NO3 - RR performance is attributed to a synergistic catalytic effect between [W-O] and CoP active sites, in which the doped [W-O] group promotes the water decomposition to supply abundant Hads , and meanwhile modulates the electronic structure of Co for strengthened adsorption of Hads and the hydrogen (H2 ) release prevention, resultantly facilitating the NO3 - RR. Finally, a Zn-NO3 - battery has been assembled to simultaneously achieve three functions: electricity output, ammonia production, and nitrate treatment in wastewater
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|a Journal Article
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|a Zn-nitrate batteries
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|a [W-O]-doping
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|a cascade catalysis
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|a cobalt phosphide nanosheets
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| 650 |
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|a electrochemical nitrate reductions
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| 700 |
1 |
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|a Meng, Ge
|e verfasserin
|4 aut
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| 700 |
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|a Chen, Yafeng
|e verfasserin
|4 aut
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| 700 |
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|a Chen, Chang
|e verfasserin
|4 aut
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1 |
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|a Han, Shuhe
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Ping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhu, Libo
|e verfasserin
|4 aut
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| 700 |
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|a Tian, Han
|e verfasserin
|4 aut
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1 |
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|a Kong, Fantao
|e verfasserin
|4 aut
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|a Wang, Min
|e verfasserin
|4 aut
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|a Cui, Xiangzhi
|e verfasserin
|4 aut
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| 700 |
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|a Shi, Jianlin
|e verfasserin
|4 aut
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| 773 |
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8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 32 vom: 05. Aug., Seite e2304508
|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:32
|g day:05
|g month:08
|g pages:e2304508
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|u http://dx.doi.org/10.1002/adma.202304508
|3 Volltext
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|d 35
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|h e2304508
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