Highly Selective Electrochemical Reduction of CO2 to Alcohols on a FeP Nanoarray

被引：186

作者：

Ji, Lei ^{[1
,2
]}

Li, Lei ^{[3
]}

Ji, Xuqiang ^{[1
]}

Zhang, Ya ^{[1
,2
]}

Mou, Shiyong ^{[1
]}

Wu, Tongwei ^{[1
]}

Liu, Qian ^{[1
]}

Li, Baihai ^{[3
]}

Zhu, Xiaojuan ^{[1
,4
]}

Luo, Yonglan ^{[4
]}

Shi, Xifeng ^{[5
]}

Asiri, Abdullah M. ^{[6
,7
]}

Sun, Xuping ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Inst Fundamental & Frontier Sci, Chengdu 610054, Sichuan, Peoples R China

[2] Sichuan Univ, Coll Chem, Chengdu 610064, Sichuan, Peoples R China

[3] Univ Elect Sci & Technol China, Sch Mat & Energy, Chengdu 611731, Sichuan, Peoples R China

[4] China West Normal Univ, Coll Chem & Chem Engn, Chem Synth & Pollut Control Key Lab Sichuan Prov, Nanchong 637002, Sichuan, Peoples R China

[5] Shandong Normal Univ, Coll Chem Chem Engn & Mat Sci, Jinan 250014, Shandong, Peoples R China

[6] King Abdulaziz Univ, Fac Sci, Dept Chem, POB 80203, Jeddah 21589, Saudi Arabia

[7] King Abdulaziz Univ, Ctr Excellence Adv Mat Res, POB 80203, Jeddah 21589, Saudi Arabia

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2020年 / 59卷 / 02期

基金：

中国国家自然科学基金;

关键词：

alcohols; CO2 reduction reaction; density functional calculations; electrocatalysts; FeP; CARBON-DIOXIDE; HYDROGEN EVOLUTION; NANOWIRE ARRAYS; CATALYSTS; METHANOL; CATHODE; ELECTROREDUCTION; ELECTROCATALYST; PHOTOCATALYST;

D O I：

10.1002/anie.201912836

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Electrochemical reduction of CO2 into various chemicals and fuels provides an attractive pathway for environmental and energy sustainability. It is now shown that a FeP nanoarray on Ti mesh (FeP NA/TM) acts as an efficient 3D catalyst electrode for the CO2 reduction reaction to convert CO2 into alcohols with high selectivity. In 0.5 m KHCO3, such FeP NA/TM is capable of achieving a high Faradaic efficiency (FECH3OH) up to 80.2 %, with a total FECH3OH+C2H5OH of 94.3 % at -0.20 V vs. reversible hydrogen electrode. Density functional theory calculations reveal that the FeP(211) surface significantly promotes the adsorption and reduction of CO2 toward CH3OH owing to the synergistic effect of two adjacent Fe atoms, and the potential-determining step is the hydrogenation process of *CO.

引用

页码：758 / 762

页数：5

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