文献类型：期刊文献

英文题名：Coupling Enteromorpha prolifera-derived N-doped biochar with Cu-Mo2C clusters for selective CO2 hydrogenation to CO

作者：Pan, Xueyuan[1] Wang, Caikang[1,2] Li, Bei[1] Ma, Mingzhe[1] Sun, Hao[1] Zhan, Guowu[3] Wang, Kui[1,4] Fan, Mengmeng[4] Ding, Linfei[4] Fu, Gengtao[2] Sun, Kang[1] Jiang, Jianchun[1]

第一作者：Pan, Xueyuan

通信作者：Sun, H[1];Fu, GT[2];Zhan, GW[3]

机构：[1]Chinese Acad Forestry, Inst Chem Ind Forest Prod, Key Lab Biomass Energy & Mat, Key & Open Lab Forest Chem Engn,SFA,Natl Engn Lab, Nanjing 210042, Jiangsu, Peoples R China;[2]Nanjing Normal Univ, Jiangsu Collaborat Innovat Ctr Biomed Funct Mat, Sch Chem & Mat Sci, Jiangsu Key Lab New Power Batteries, Nanjing 210023, Peoples R China;[3]Huaqiao Univ, Acad Adv Carbon Convers Technol, Coll Chem Engn, Xiamen 361021, Peoples R China;[4]Nanjing Forestry Univ, Coinnovat Ctr Efficient Proc & Utilizat Forest Res, Nanjing 210042, Peoples R China

年份：2025

卷号：4

期号：1

外文期刊名：ADVANCED POWDER MATERIALS

收录：EI(收录号：20245017508214);Scopus(收录号：2-s2.0-85211211191);WOS:【ESCI(收录号:WOS:001379033800001)】；

基金：The authors are grateful for the fi nancial support from National Natural Science Foundation of China (32101474 and 42377249) and National Key Research and Development Program of China (2023YFD2201605) . The work was supported from the National and Local Joint Engineering Research Center of Biomedical Functional Materials and a project sponsored by the Priority Academic Program Development of Jiangsu Higher Education Institutions.

语种：英文

外文关键词：Enteromorpha prolifera; N-doped biochar; Cu-Mo2C clusters; Electronic interaction; CO2 hydrogenation

摘要：CO2 conversion to CO via the reverse water-gas shift (RWGS) reaction is limited by a low CO2 conversion rate and CO selectivity. Herein, an efficient RWGS catalyst is constructed through Enteromorpha prolifera -derived N-rich mesoporous biochar (EPBC) supported atomic-level Cu-Mo2C clusters (Cu-Mo2C/EPBC). Unlike traditional activated carbon (AC) supported Cu-Mo2C particles (Cu-Mo2C/AC), the Cu-Mo2C/EPBC not only presents the better graphitization degree and larger specific surface area, but also uniformly and firmly anchors atomic-level CuMo2C clusters due to the existence of pyridine nitrogen. Furthermore, the pyridine N of Cu-Mo2C/EPBC strengthens an unblocked electron transfer between Mo2C and Cu clusters, as verified by X-ray absorption spectroscopy. As a result, the synergistic effect between pyridinic N anchoring and the clusters interaction in CuMo2C/EPBC facilitates an improved CO selectivity of 99.95% at 500 degrees C compared with traditional Cu-Mo2C/AC (99.60%), as well as about 3-fold CO2 conversion rate. Density functional theory calculations confirm that pyridine N-modified carbon activates the local electronic redistribution at Cu-Mo2C clusters, which contributes to the decreased energy barrier of the transition state of CO"+O"+2H", thereby triggering the transformation of rate- limited step during the redox pathway. This biomass-derived strategy opens perspective on producing sustainable fuels and building blocks through the RWGS reaction.