Yao Wang , Meng Zheng , Yunrui Li , Lidan Zhu , Haoran Li , Qishun Wang , Hui Zhao , Jiawei Zhang , Yuming Dong , Yongfa Zhu
{"title":"Atomically dispersed NiOx cluster on high-index Pt facets boost ethanol electrooxidation through long-range synergistic sites","authors":"Yao Wang , Meng Zheng , Yunrui Li , Lidan Zhu , Haoran Li , Qishun Wang , Hui Zhao , Jiawei Zhang , Yuming Dong , Yongfa Zhu","doi":"10.1016/j.apmate.2024.100244","DOIUrl":null,"url":null,"abstract":"<div><div>Constructing the desired long-range dual sites to enhance the C–C bond-cleavage and CO-tolerate ability during ethanol oxidation reaction is of importance for further applications. Herein, the concept of holding atomically dispersed NiO<sub><em>x</em></sub> cluster supported on Pt-based high-index facets (NiO<sub><em>x</em></sub>/Pt) is proposed to build O-bridged Pt–Ni dual sites. Strikingly, the obtained NiO<sub><em>x</em></sub>/Pt dual sites show 4.97 times specific activity higher than that of commercial Pt/C (0.35 mA cm<sup>−2</sup>), as well as outstanding CO-tolerance and durability. The advanced electrochemical in-situ characterizations reveal that the NiO<sub><em>x</em></sub>/Pt can accelerate rapid dehydroxylation and C–C bond-cleavage over the Pt–Ni dual sites. Theoretical calculations disclose that the atomically dispersed NiO<sub><em>x</em></sub> species can lower the adsorption/reaction energy barriers of intermediates. This tactic provides a promising methodology on regulating the surface synergistic sites via engineering atomically dispersed oxide site.</div></div>","PeriodicalId":7283,"journal":{"name":"Advanced Powder Materials","volume":"3 6","pages":"Article 100244"},"PeriodicalIF":0.0000,"publicationDate":"2024-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Advanced Powder Materials","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2772834X24000757","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
Constructing the desired long-range dual sites to enhance the C–C bond-cleavage and CO-tolerate ability during ethanol oxidation reaction is of importance for further applications. Herein, the concept of holding atomically dispersed NiOx cluster supported on Pt-based high-index facets (NiOx/Pt) is proposed to build O-bridged Pt–Ni dual sites. Strikingly, the obtained NiOx/Pt dual sites show 4.97 times specific activity higher than that of commercial Pt/C (0.35 mA cm−2), as well as outstanding CO-tolerance and durability. The advanced electrochemical in-situ characterizations reveal that the NiOx/Pt can accelerate rapid dehydroxylation and C–C bond-cleavage over the Pt–Ni dual sites. Theoretical calculations disclose that the atomically dispersed NiOx species can lower the adsorption/reaction energy barriers of intermediates. This tactic provides a promising methodology on regulating the surface synergistic sites via engineering atomically dispersed oxide site.
Seychelle Yohanna, Mackenzie Wilson, K. Naylor, A. Garg, J. Sontrop, D. Belenko, L. Elliott, S. McKenzie, Sara Macanovic, I. Mucsi, R. Patzer, Irina Voronin, I. Lui, P. Blake, A. Waterman, D. Treleaven, J. Presseau
IF 39 1区 医学JAMA Internal MedicinePub Date : 2023-12-01DOI: 10.1001/jamainternmed.2023.5802
Amit X Garg, Seychelle Yohanna, Kyla L Naylor, Susan Q McKenzie, Istvan Mucsi, Stephanie N Dixon, Bin Luo, Jessica M Sontrop, Mary Beaucage, Dmitri Belenko, Candice Coghlan, Rebecca Cooper, Lori Elliott, Leah Getchell, Esti Heale, Vincent Ki, Gihad Nesrallah, Rachel E Patzer, Justin Presseau, Marian Reich, Darin Treleaven, Carol Wang, Amy D Waterman, Jeffrey Zaltzman, Peter G Blake
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