Overcoming coke formation in high-temperature CO_(2)electrolysis

作     者：Tongbao Wang Guangtai Han Ziyun Wang Yuhang Wang 王同宝;韩光泰;王子运;王昱沆

作者机构：Institute of Functional Nano&Soft Materials(FUNSOM)Jiangsu Key Laboratory for Carbon-Based Functional Materials and DevicesSoochow UniversitySuzhou 215123JiangsuChina School of Chemical SciencesUniversity of AucklandAuckland 1010New Zealand 

出 版 物：《Chinese Journal of Catalysis》 (催化学报（英文）)

年 卷 期：2022年第43卷第12期

页      面：2938-2945页

核心收录：

学科分类：081704[工学-应用化学] 081705[工学-工业催化] 08[工学] 0817[工学-化学工程与技术] 

基　　金：国家自然科学基金(2219088) 江苏省自然科学基金(BK20210699) 

主　　题：High-temperature CO_(2)electroreduction Solid oxide electrochemical cell Coke formation Boudouard reaction Stability 

摘      要：High-temperature CO_(2)reduction reaction(HT-CO_(2)RR)in solid oxide electrochemical cells(SOECs)features near-unity selectivity,high energy efficiency,and industrial relevant current density for the production of CO,a widely-utilized“building blockin today’s chemical ***,it offers an intriguing and promising means to radically change the way of chemical manufacturing and achieve carbon neutrality using renewable energy sources,CO_(2),and *** with the great potential of HT-CO_(2)RR,this carbon utilization approach,unfortunately,has been suffering coke formation that is seriously detrimental to its energy efficiency and operating *** recent years,much effort has been added to understanding the mechanism of coke formation,managing reaction conditions to mitigate coke formation,and devising coke-formation-free electrode *** investigations have substantially advanced the HT-CO_(2)RR toward a practical industrial technology,but the resulting coke formation prevention strategies compromise activity and energy *** research may target exploiting the control over both catalyst design and system design to gain selectivity,energy efficiency,and stability ***,this perspective overviews the progress of research on coke formation in HT-CO_(2)RR,and elaborates on possible future directions that may accelerate its practical implementation at a large scale.