Defect engineering of high-loading single-atom catalysts for electrochemical carbon dioxide reduction

查看全文 作　　者：Yang [1,2]Li;Zhenjiang [1,2]He;Feixiang [1,2]Wu;Shuangyin [3]Wang;Yi [1,2]Cheng;Sanping [4,5]Jiang

机构地区：[1]Hunan Provincial Key Laboratory of Nonferrous Value-added Metallurgy,Central South University,Changsha,410083,China;[2]Engineering Research Center of the Ministry of Education for Advanced Battery Materials,Central South University,Changsha,410083,China;[3]State Key Laboratory of Chem/Bio-Sensing and Chemometrics,Provincial Hunan Key Laboratory for Graphene Materials and Devices,College of Chemistry and Chemical Engineering,Hunan University,Changsha,410082,China;[4]WA School of Mines:Minerals,Energy and Chemical Engineering,Curtin University,Perth,WA 6102,Australia;[5]Foshan Xianhu Laboratory of the Advanced Energy Science and Technology Guangdong Laboratory,Xianhu Hydrogen Valley,Foshan,528216,China

出　　处：《Materials Reports(Energy)》索引2023年第3卷第2期,共19页

基　　金：This project was supported by the National Natural Science Foundation of China(U19A2017,22272206,51976143);Natural Science Foundation of Hunan Province(S2021JJMSXM3153). 摘　　要：Electrochemical carbon dioxide reduction reaction(CO_(2)RR)provides an attractive approach to carbon capture and utilization for the production high-value-added products.However,CO_(2)RR still suffers from poor selectivity and low current density due to its sluggish kinetics and multitudinous reaction pathways.Single-atom catalysts(SACs)demonstrate outstanding activity,excellent selectivity,and remarkable atom utilization efficiency,which give impetus to the search for electrocatalytic processes aiming at high selectivity.There appears significant activity in the development of efficient SACs for CO_(2)RR,while the density of the atomic sites remains a considerable barrier to be overcome.To construct high-metal-loading SACs,aggregation must be prevented,and thus novel strategies are required.The key to creating high-density atomically dispersed sites is designing enough anchoring sites,normally defects,to stabilize the highly mobile separated metal atoms.In this review,we summarized the advances in developing high-loading SACs through defect engineering,with a focus on the synthesis strategies to achieve high atomic site loading.Finally,the future opportunities and challenges for CO_(2)RR in the area of high-loading single-atom electrocatalysts are also discussed. 关键词：Single-atom catalysts High loading ELECTROCATALYSIS Carbon dioxide reduction(CO_(2)RR) Transition metals

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Defect engineering of high-loading single-atom catalysts for electrochemical carbon dioxide reduction

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