Carbonized Yolk-shell Metal-Organic Frameworks for Electrochemical Conversion of CO_(2) into Ethylene
作者机构：State Key Laboratory of Fine ChemicalsSchool of Chemical EngineeringDalian University of TechnologyDalian116024P.R.China
出 版 物：《高等学校化学研究:英文版》 (Chemical Research in Chinese Universities)
年 卷 期：2023年第39卷第2期
页 面：246-252页
核心收录：
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] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学] 0703[理学-化学]
基 金：Talent project of Revitalizing Liaoning Province,China(No.XLYC2002067) Science&Technology Innovation Funds of Dalian City,China(Nos.2020JJ25CY003,2021JB11GX005) Key Research and Development Plan of Liaoning Province in 2020,China(No.2020JH2/10100025) Fundamental Research Funds for the Central Universities,China(Nos.DUT19ZD208,DUT20ZD208)
主 题：CO_(2) Cu MOF Electrocatalyst Nitrogen Ethylene
摘 要：With the excessive consumption of fossil fuels and the massive emission of CO_(2),it has led to a series of environmental crises posing a serious threat to sustainable *** CO_(2) reduction reaction( CO_(2)RR)to ethylene helps solve these serious environmental ***,we report the synthesis of a copper-based electrocatalyst by pyrolysis of yolk-shell structured HKUST-1 with partial substitution of trimesic acid by benzimidazole(nitrogen source).The electrocatalyst exhibits an ethylene Faradic efficiency(FE)of 25.8%and a partial ethylene current density of 23.7 mA/cm^(2),in addition,the electrocatalyst can maintain stable performance during 10 h of electrolysis,which are all better than those of the electrocatalyst without nitrogen *** to electrochemical measurements and X-ray photoelectron spectroscopy(XPS),we propose that the nitrogen dopant plays an effective role in stabilizing Cu(I)species and promoting CO_(2) molecules activation,as well as suppressing the reduction of Cu(I)species during ***,the performance of the electrocatalyst toward CO_(2)RR is studied in a flow *** work provides a new route for the design of Cu-based electrocatalyst toward electrochemical CO_(2) conversion into ethylene.
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