电化学2021，Vol.27Issue(3)：278-290,13.DOI:10.13208/j.electrochem.201253
纳米晶枝CuAu合金催化剂对二氧化碳电催化还原性能的研究
Synthesis and Electrochemical Study of CuAu Nanodendrites for CO2 Reduction
摘要
Abstract
The conversion of carbon dioxide(CO2)to carbon monoxide(CO)and other value-added products is an interesting approach for carbon-containing fuel synthesis using renewable and clean energy.The electrochemical reduction of CO2 is one of the promising strategies for the storage of intermittent renewable energy resources.The development of electrocatalysts with high activ-ity and stability is vital in the electrochemical CO2 reduction process.In this study,copper and gold alloyed(CuAu)electrodes with nanodendritic structures were synthesized using a facile electrodeposition method.The CuAu nanodendrites with the atomic ratio of Cu to Au being approximately 1∶1 demonstrated excellent catalytic activity for the electrochemical reduction of CO2.Syngas,which is utilized as an intermediate in the production of synthetic natural gas,ammonia,and methanol,was the major product obtained un-der various applied potentials.Electrochemical impedance spectroscopic(EIS)measurements revealed that the CuAu nanodendrtic catalyst had a much lower charge transfer resistance than Cu and Au electrodeposited catalysts.The CuAu nanodendrite catalyst is an intriguing material with potential applications for syngas production from C02.关键词
电催化/电沉积/二氧化碳还原/铜金/纳米晶枝Key words
electrocatalysis/electrodeposition/CO2 reduction reaction/CuAu nanocomposite/nanodendrites引用本文复制引用
Dylan Siltamaki,陈帅,Farnood Pakravan,Jacek Lipkowski,陈爱成..纳米晶枝CuAu合金催化剂对二氧化碳电催化还原性能的研究[J].电化学,2021,27(3):278-290,13.基金项目
This work was supported by the Discovery Grants Program of the Natural Sciences and Engineering Re-search Council of Canada.A.Chen acknowledges the NSERC and the Canada Foundation of Innovation(CFI)for Tier 1 Canada Research Chair Award in Electrochemistry and Nanoscience. （CFI）
