Selective CO2 Electroreduction to Ethanol over a Carbon-Coated CuOx Catalyst,Angewandte Chemie International Edition

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Selective CO2 Electroreduction to Ethanol over a Carbon-Coated CuOx Catalyst
Angewandte Chemie International Edition ( IF 16.1 ) Pub Date : 2022-07-31 , DOI: 10.1002/anie.202209629
Yipeng Zang ₁ , Tianfu Liu ₁ , Pengfei Wei _{1,

2} , Hefei Li _{1,

2} , Qi Wang ₃ , Guoxiong Wang ₁ , Xinhe Bao ₁

Affiliation

A carbon-coated CuO_x catalyst achieves a remarkable ethanol partial current density of 166 mA cm⁻² with 46 % Faradaic efficiency, substantially higher than those over most reported copper-based catalysts. The surface carbon coating can effectively stabilize the abundant Cu⁺ species, thus facilitate C−C coupling by improving *CO adsorption, and tune the key intermediate *HOCCH in the hydrogenation pathway toward ethanol production.

中文翻译：

在碳包覆的 CuOx 催化剂上选择性地将 CO2 电还原为乙醇

碳包覆的 CuO _x催化剂实现了 166 mA cm ^-2的显着乙醇分电流密度和 46% 的法拉第效率，远高于大多数报道的铜基催化剂。表面碳涂层可以有效地稳定丰富的Cu ⁺物种，从而通过改善*CO 吸附促进C-C 耦合，并调整加氢途径中的关键中间体*HOCCH 以生产乙醇。

更新日期：2022-07-31

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