New Insights Into the Role of Imidazolium-Based Promoters for the Electroreduction of CO2 on a Silver Electrode

被引：196

作者：

Lau, Genevieve P. S. ^{[1
]}

Schreier, Marcel ^{[1
]}

Vasilyev, Drnitry ^{[1
]}

Scopelliti, Rosario ^{[1
]}

Gratzel, Michael ^{[1
]}

Dyson, Paul J. ^{[1
]}

机构：

[1] Ecole Polytech Fed Lausanne, Inst Sci & Ingn Chim, CH-1015 Lausanne, Switzerland

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2016年 / 138卷 / 25期

基金：

瑞士国家科学基金会;

关键词：

CARBON-DIOXIDE; IONIC LIQUID; ELECTROCHEMICAL REDUCTION; ELECTROCATALYTIC REDUCTION; CONVERSION; MECHANISM; MONOXIDE; SOLVENT; MEDIA;

D O I：

10.1021/jacs.6b03366

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The electrochemical reduction of CO2 to CO is a reaction of central importance for sustainable energy conversion and storage. Herein, structure activity relationships of a series of imidazolium-based cocatalysts for this reaction are described, which demonstrate that the C4- and C5-protons on the imidazolium ring are vital for efficient catalysis. Further investigation of these findings led to the discovery of new imidazolium salts, which show superior activity as cocatalysts for the reaction, i.e., CO is selectively produced at significantly lower overpotentials with nearly quantitative faradaic yields for CO.

引用

页码：7820 / 7823

页数：4

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