CO_(2)electrolysis:Advances and challenges in electrocatalyst engineering and reactor design

查看全文 作　　者：Jiayi [1]Lin;Yixiao [1]Zhang;Pengtao [1]Xu;Liwei [1,2]Chen 机构地区：[1]School of Chemistry and Chemical Engineering,In-Situ Center for Physical Sciences,Shanghai Electrochemical Energy Device Research Center(SEED),Shanghai Jiao Tong University,Shanghai,200240,China;[2]Frontiers Science Center for Transformative Molecules,Shanghai Jiao Tong University,Shanghai,200240,China 出　　处：《Materials Reports(Energy)》索引2023年第3卷第2期,共22页 基　　金：We acknowledge the support from the National Natural Science Foundation of China(21991153,21991150). 摘　　要：Electrochemical reduction of CO_(2)(CO_(2)RR)coupled with renewable electrical energy is an attractive way of upgrading CO_(2)to value-added chemicals and closing the carbon cycle.However,CO_(2)RR electrocatalysts still suffer from high overpotential,and the complex reaction pathways of CO_(2)RR often lead to mixed products.Early research focuses on tuning the binding of reaction intermediates on electrocatalysts,and recent efforts have revealed that the design of electrolysis reactors is equally important for efficient and selective CO_(2)RR.In this review,we present an overview of recent advances and challenges toward achieving high activity and high selectivity in CO_(2)RR at ambient conditions,with a particular focus on the progress of CO_(2)RR electrocatalyst engineering and reactor design.Our discussion begins with three types of electrocatalysts for CO_(2)RR(noble metalbased,none-noble metal-based,and metal-free electrocatalysts),and then we examine systems-level strategies toward engineering specific components of the electrolyzer,including gas diffusion electrodes,electrolytes,and polymer electrolyte membranes.We close with future perspectives on catalyst development,in-situ/operando characterization,and electrolyzer performance evaluation in CO_(2)RR studies. 关 键 词：Carbon dioxide utilization Carbon dioxide electrochemical reduction Electrocatalyst design Electrolyzer design Gas diffusion electrodes Electrolyte effects Polymer electrolyte membranes