Pulse Plating of Copper onto Gas Diffusion Layers for the Electroreduction of Carbon Dioxide
Pulse Plating of Copper onto Gas Diffusion Layers for the Electroreduction of Carbon Dioxide
复制标题
用于二氧化碳电解还原的气体扩散层上脉冲镀铜
DOI：
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发表时间：
2018
期刊：
影响因子：
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通讯作者：
F. Brushett
中科院分区：
文献类型：
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作者：
S. Sen;McLain E. Leonard;R. Radhakrishnan;S. Snyder;B. Skinn;Dan Wang;Timothy D. Hall;E. Taylor;F. Brushett
本文讨论了一种脉冲电镀法制备铜包覆气体扩散电极（GDEs）的方法，用于二氧化碳（CO_2）电化学转化为碳氢化合物（如乙烯）。探讨了离子涂层和空气等离子体表面预处理作为亲水性碳表面的手段，以使电沉积材料的附着力。脉冲电流电沉积方法成功地在制备的表面上生成了铜和氧化铜的微粒子和纳米粒子。与CO_2还原的其他气态副产物相比，在经离聚体处理的gde上发现的铜(I)种被认为对选择性生成乙烯具有高活性。相反，沉积在等离子体处理过的gde上的铜催化剂的产烃活性较差，可能是由于铜具有大量的金属特性。值得注意的是，等离子体处理镀铜后经离聚体处理的GDE，进一步提高了乙烯生产的催化活性和耐久性。
This paper discusses a pulse electroplating method for preparing copper (Cu)-coated gas diffusion electrodes (GDEs) for the electrochemical conversion of carbon dioxide (CO_2) to hydrocarbons such as ethylene. Ionomer coating and air-plasma surface pre-treatments were explored as means of hydrophilizing the carbon surface to enable adhesion of electrodeposited material. The pulsed-current electrodeposition method used successfully generated copper and copper oxide micro- and nano-particles on the prepared surfaces. Copper(I) species identified on the ionomer-treated GDEs are presumed to be highly active for the selective generation of ethylene as compared to other gaseous byproducts of CO_2 reduction. Conversely, copper catalysts deposited onto plasma-treated GDEs were found to have poor activity for hydrocarbon production, likely due to substantial metallic character. Of note, plasma treatment of an ionomer-treated GDE after copper plating yielded further improvements in catalytic activity and durability towards ethylene production.
影响因子：
16.6
作者：
Mistry H;Varela AS;Bonifacio CS;Zegkinoglou I;Sinev I;Choi YW;Kisslinger K;Stach EA;Yang JC;Strasser P;Cuenya BR
通讯作者：
Cuenya BR