Recent advances in Fe-N-C single-atom site coupled synergistic catalysts for boosting oxygen reduction reaction

作     者：Katam Srinivas Jian Zhen Hesheng Yu Dawei Liu Jian Zhen Ou Ming‐qiang Zhu Yuanfu Chen 

作者机构：School of Integrated Circuit Science and Engineeringand State Key Laboratory of Electronic Thin Films and Integrated DevicesUniversity of Electronic Science and Technology of ChinaChengduSichuanChina College of Mechanical and Electronic EngineeringNorthwest A&F UniversityYanglingChina School of EngineeringRMIT UniversityMelbourneVictoriaAustralia 

出 版 物：《Electron》 (电子（英文）)

年 卷 期：2024年第2卷第1期

页      面：1-38页

学科分类：081704[工学-应用化学] 07[理学] 070304[理学-物理化学(含∶化学物理)] 08[工学] 0817[工学-化学工程与技术] 0703[理学-化学] 

基　　金：Natural Science Foundation of Sichuan Province of China,Grant/Award Number:2023NSFC0084 China Postdoctoral Science Foundation,Grant/Award Number:2019M663469 National Natural Science Foundation of China,Grant/Award Number:21773024 

主　　题：electrocatalysis oxygen reduction reaction particle@Fe-N-C single-atom catalysts synergistic catalysts 

摘      要：Metal-air batteries,fuel cells,and electrochemical H_(2)O2 production currently attract substantial consideration in the energy sector owing to their efficiency and ***,their broader use is hindered by the complex oxygen reduction reaction(ORR)that occurs at cathodes and involves intricate electron *** the significant ORR performance of platinum-based catalysts,their high cost,operational limitations,and susceptibility to methanol poisoning hinder broader *** emphasizes the need for efficient nonprecious metal-based ORR electrocatalysts.A promising approach involves utilizing single-atom catalysts(SACs)featuring metal-nitrogen-carbon(M-N-C)coordination *** offer advantages such as optimal utilization of metal atoms,uniform active centers,precisely defined catalytic sites,and robust metal-support ***,the symmetrical electron distribution around the central metal atom of a single-atom site(M-N4)often results in suboptimal ORR *** challenge can be addressed by carefully tailoring the surrounding environment of the active *** review specifically focuses on recent advancements in the Fe-N4 environment within Fe-N-C *** highlights the promising strategy of coupling Fe-N4 sites with metal clusters and/or nanoparticles,which enhances intrinsic *** capitalizing on the interplay between Fe-N4 sites and associated species,overall ORR performance *** review combines findings from experimental studies and density functional theory simulations,covering synthesis strategies for Fe-N-C coupled synergistic catalysts,characterization techniques,and the influence of associated particles on ORR *** offering a comprehensive outlook,the review aims to encourage research into high-efficiency Fe single-atom sites coupled synergistic catalysts for real-world applications in the coming years.