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231226s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202308925
|2 doi
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|a pubmed24n1294.xml
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|a DE-627
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|a eng
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| 100 |
1 |
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|a Zhao, Sheng
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Lewis Acid Driving Asymmetric Interfacial Electron Distribution to Stabilize Active Species for Efficient Neutral Water Oxidation
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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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|a Date Revised 15.02.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2023 Wiley-VCH GmbH.
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|a Neutral oxygen evolution reaction (OER) with unique reactive environments exhibits extremely slow reaction kinetics, posing significant challenges in the design of catalysts. Herein, a built-in electric field between the tungstate (Ni-FeWO4 ) with adjustable work function and Lewis acid WO3 is elaborately constructed to regulate asymmetric interfacial electron distribution, which promotes electron accumulation of Fe sites in the tungstate. This decelerates the rapid dissolution of Fe under the OER potentials, thereby retaining the active hydroxyl oxide with the optimized OER reaction pathway. Meanwhile, Lewis acid WO3 enhances hydroxyl adsorption near the electrode surface to improve mass transfer. As expected, the optimized Ni-FeWO4 WO3 /NF self-supporting electrode achieves a low overpotential of 235 mV at 10 mA cm-2 in neutral media and maintains stable operation for 200 h. Furthermore, the membrane electrode assembly constructed by such self-supporting electrode exhibits robust stability for 250 h during neutral seawater electrolysis. This work deepens the understanding of the reconstruction of OER catalysts in neutral environments and paves the way for development of the energy conversion technologies
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|a Journal Article
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|a electrocatalyst
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|a electronic interaction
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|a interface
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|a neutral media
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| 650 |
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|a oxygen evolution reaction
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1 |
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|a Wang, Yue
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hao, Yixin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yin, Lijie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kuo, Chun-Han
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chen, Han-Yi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Linlin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Peng, Shengjie
|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), 7 vom: 01. Feb., Seite e2308925
|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:7
|g day:01
|g month:02
|g pages:e2308925
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|u http://dx.doi.org/10.1002/adma.202308925
|3 Volltext
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