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240606s2024 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202406682
|2 doi
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|a pubmed24n1516.xml
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|a (DE-627)NLM373260199
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|a (NLM)38837816
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Guo, Linchuan
|e verfasserin
|4 aut
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|a Ceria-Optimized Oxygen-Species Exchange in Hierarchical Bimetallic Hydroxide for Electrocatalytic 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
|b cr
|2 rdacarrier
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|a Date Revised 28.08.2024
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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 The utilization of rare earth elements to regulate the interaction between catalysts and oxygen-containing species holds promising prospects in the field of oxygen electrocatalysis. Through structural engineering and adsorption regulation, it is possible to achieve high-performance catalytic sites with a broken activity-stability tradeoff. Herein, this work fabricates a hierarchical CeO2/NiCo hydroxide for electrocatalytic oxygen evolution reaction (OER). This material exhibits superior overpotentials and enhanced stability. Multiple potential-dependent experiments reveal that CeO2 promotes oxygen-species exchange, especially OH- ions, between catalyst and environment, thereby optimizing the redox transformation of hydroxide and the adsorption of oxygen-containing intermediates during OER. This is attributed to the reduction in the adsorption energy barrier of Ni to *OH facilitated by CeO2, particularly the near-interfacial Ni sites. The less-damaging adsorbate evolution mechanism and the CeO2 hierarchical shell significantly enhance the structural robustness, leading to exceptional stability. Additionally, the observed "self-healing" phenomenon provides further substantiation for the accelerated oxygen exchange. This work provides a neat strategy for the synthesis of ceria-based complex hollow electrocatalysts, as well as an in-depth insight into the co-catalytic role of CeO2 in terms of oxygen transfer
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|a Journal Article
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|a ceria‐based materials
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|a complex hollow structures
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|a electrocatalysis
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|a oxygen evolution reaction
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|a self‐healing
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|a surface adsorption
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|a Zhang, Zhuang
|e verfasserin
|4 aut
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1 |
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|a Mu, Zhaori
|e verfasserin
|4 aut
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1 |
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|a Da, Pengfei
|e verfasserin
|4 aut
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1 |
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|a An, Li
|e verfasserin
|4 aut
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1 |
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|a Shen, Wei
|e verfasserin
|4 aut
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|a Hou, Yichao
|e verfasserin
|4 aut
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1 |
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|a Xi, Pinxian
|e verfasserin
|4 aut
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|a Yan, Chun-Hua
|e verfasserin
|4 aut
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|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 36(2024), 35 vom: 01. Aug., Seite e2406682
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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|g volume:36
|g year:2024
|g number:35
|g day:01
|g month:08
|g pages:e2406682
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|u http://dx.doi.org/10.1002/adma.202406682
|3 Volltext
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