Surface engineered tin foil for electrocatalytic reduction of carbon dioxide to formate

被引：42

作者：

Daiyan, Rahman ^{[1
]}

Lu, Xunyu ^{[1
]}

Ng, Yun Hau ^{[1
]}

Amal, Rose ^{[1
]}

机构：

[1] Univ New South Wales, Particles & Catalysis Res Grp, Sch Chem Engn, Sydney, NSW 2052, Australia

来源：

CATALYSIS SCIENCE & TECHNOLOGY | 2017年 / 7卷 / 12期

基金：

澳大利亚研究理事会;

关键词：

ELECTROCHEMICAL CO2 REDUCTION; SNO2; THIN-FILMS; FORMIC-ACID; OPERATING-CONDITIONS; ENHANCED ACTIVITY; METAL-ELECTRODES; CHEMICAL-STATE; OXIDE LAYER; CATALYSTS; ELECTROREDUCTION;

D O I：

10.1039/c7cy00246g

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A cost-effective and stable electrode for electrocatalytic CO2 reduction reactions (CO2RR) was obtained by anodizing commercially available tin (Sn) foil in organic solvents. The surface engineered Sn foil can be used directly as the electrode for CO2RR, which can reduce CO2 to formate. In CO2 saturated KHCO3 solution, the maximum formate Faradaic efficiency of the obtained electrode is 77.40% with a stable current density of 4.80 mA cm(-2) at an applied potential of - 1.09 V (vs. RHE). The heightened catalytic performances can be attributed to the formation of a thin layered SnOx/Sn interface during anodization, which plays an important role in stabilizing the reaction intermediates in CO2RR.

引用

页码：2542 / 2550

页数：9

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