High Performance Sn-In Cathode for the Electrochemical Reduction of Carbon Dioxide to Formic Acid

被引：6
|
作者：
Li, Fajun [1 ,2 ]
Zhang, Hua [1 ]
Ji, Shuai [1 ]
Liu, Wei [3 ]
Zhang, Dong [1 ]
Zhang, Chengdu [1 ]
Yang, Jing [1 ]
Yang, Fei [1 ]
Lei, Lixu [1 ,2 ]
机构：
[1] Southeast Univ, Sch Chem & Chem Engn, Nanjing 211189, Jiangsu, Peoples R China
[2] Jiangsu Key Lab Adv Metall Mat, Nanjing 211189, Jiangsu, Peoples R China
[3] Shuangdeng Grp Co Ltd, Key Lab Electrochem Energy Storage Technol Jiangs, Taizhou 225300, Jiangsu, Peoples R China
来源：
INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2019年 / 14卷 / 05期
关键词：
Electrochemical reduction; carbon dioxide; formate; tin-indium bimetallic catalyst; space time yield; PHOTOELECTRON-SPECTROSCOPY; METAL-ELECTRODES; CO2; REDUCTION; FORMATE; SELECTIVITY; EFFICIENCY; CONVERSION; CATALYSTS; ALLOY;
D O I：
10.20964/2019.05.44
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Both Sn and In have been potentiostatically co-deposited on the surface of Cu foam at different potentials to prepare Sn-In bimetallic electrodes. Among them, the Sn42In58 electrode has excellent catalytic activity towards CO2 reduction to formic acid. At -1.6 V versus Ag/AgCl, the formate Faradaic efficiency reaches its maximum, 88%; and its space time yield reaches 309 mu mol h(-1) cm(-2) at -1.8 V versus Ag/AgCl. When it is used in the biomimetic electrochemical cell reported previously by us, a much higher space time yield, 468 mu mol h(-1) cm(-2) is obtained.
引用
收藏
页码：4161 / 4172
页数：12
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