Pyrolysis of Deep Eutectic Solvents for the Preparation of Supported Copper Electrocatalysts

被引：5

作者：

Iwanow, Melanie ^{[1
,2
]}

Vieira, Luciana ^{[1
]}

Rud, Igor ^{[1
]}

Seidler, Johannes ^{[1
]}

Kaiser, Manuela ^{[1
]}

Van Opdenbosch, Daniel ^{[3
]}

Zollfrank, Cordt ^{[3
]}

Richter, Michael ^{[1
]}

Gaertner, Tobias ^{[1
,4
]}

Koenig, Burkhard ^{[2
]}

Sieber, Volker ^{[1
,3
]}

机构：

[1] Fraunhofer Inst Interfacial Engn & Biotechnol IGB, Bio Elect & Chemocatalysis BioCat, Straubing Branch, Schulgasse 11a, D-94315 Straubing, Germany

[2] Univ Regensburg, Dept Chem & Pharm, Univ Str 31, D-93040 Regensburg, Germany

[3] Tech Univ Munich, Campus Straubing Biotechnol & Sustainabil, Schulgasse 16, D-94315 Straubing, Germany

[4] ESy Labs, Irler Hohe 3a, D-93055 Regensburg, Germany

来源：

CHEMISTRYSELECT | 2020年 / 5卷 / 38期

关键词：

catalyst preparation method; copper; deep eutectic solvents; electrochemistry; pyrolysis; ELECTROCHEMICAL CO2 REDUCTION; CARBON-DIOXIDE; FORMIC-ACID; CATALYSTS; ELECTROREDUCTION; TEMPERATURE; SELECTIVITY; ELECTRODES; CAPTURE; HYDROCARBONS;

D O I：

10.1002/slct.202003295

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Electrochemical CO(2)reduction on Cu-based catalysts can form a variety of products including hydrocarbons, alcohols and formate, besides carbon monoxide and hydrogen. Compared to other electroactive metals, copper has a rather low cost and low toxicity. We have developed a novel method for catalyst preparation using deep eutectic solvents (DES), where the pyrolysis of a metal-containing DES leads to a material consisting of a metal embedded in a carbon support rich in oxygen and nitrogen functional groups (CNO). We focus on the preparation of copper-based materials as catalysts for the electrochemical CO(2)reduction. Depending on the nature of DES, the properties of the carbon support can be changed. The electrochemical activity of the materials was correlated with the preparation parameters such as variation of DESs, copper precursor and/or pyrolysis temperature. These Cu/CNO copper catalysts showed formate formation rates up to 85.5 mu mol h(-1) cm(-2)at 1.5 Vvs. Ag/AgCl.

引用

页码：11714 / 11720

页数：7

共 42 条

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