Industrial Application Aspects of the Electrochemical Reduction of CO2 to CO in Aqueous Electrolyte

被引：76

作者：

Krause, Ralf ^{[1
]}

Reinisch, David ^{[1
]}

Reller, Christian ^{[1
]}

Eckert, Helmut ^{[1
]}

Hartmann, David ^{[1
]}

Taroata, Dan ^{[1
]}

Wiesner-Fleischer, Kerstin ^{[2
]}

Bulan, Andreas ^{[3
]}

Lueken, Alexander ^{[4
]}

Schmid, Guenter ^{[1
]}

机构：

[1] Siemens AG, Gas & Power Power2X & Storage GP PXS, Gunther Scharowsky Str 1, D-91058 Erlangen, Germany

[2] Siemens AG, Gas & Power Power2X & Storage GP PXS, Otto Hahn Ring 6, D-81739 Munich, Germany

[3] Covestro Deutschland AG, Kaiser Wilhelm Allee 60, D-51373 Leverkusen, Germany

[4] Covestro Deutschland AG, Alte Heerstr 1, D-41538 Dormagen, Germany

来源：

CHEMIE INGENIEUR TECHNIK | 2020年 / 92卷 / 1-2期

关键词：

Aqueous electrolytes; Current density; Electrochemical reduction of CO2; Gas diffusion electrodes; Pressurized operation mode;

D O I：

10.1002/cite.201900092

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The industrialization of the electrochemical reduction of CO2 toward CO in aqueous electrolytes has recently been started using silver-based gas diffusion electrodes. The performance of a CO2-to-CO electrolyzer model on a 10-cm(2) cell size is assessed with respect to operating pressure, achievable current density at faradaic efficiency of CO above 90 %, composition of gas streams and operational lifetime. Operational lifetime has exceeded 1500 h. The first scaling step to 300 cm(2) has been accomplished. The rated power of such a cell is around 300 W.

引用

页码：53 / 61

页数：9

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