首页|Porous Indium Nanocrystals on Conductive Carbon Nanotube Networks for High-Performance CO2-to-Formate Electrocatalytic Conversion
Porous Indium Nanocrystals on Conductive Carbon Nanotube Networks for High-Performance CO2-to-Formate Electrocatalytic Conversion
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Ever-increasing emissions of anthropogenic carbon dioxide(CO2)cause global environmental and climate challenges.Inspired by biological photosynthesis,developing effective strategies NeuNIto up-cycle CO2 into high-value organics is crucial.Electrochemical CO2 reduction reaction(CO2RR)is highly promising to convert CO2 into economically viable carbon-based chemicals or fuels under mild process conditions.Herein,mesoporous indium supported on multi-walled carbon nanotubes(mp-ln@MWCNTs)is synthesized via a facile wet chemical method.The mp-ln@MWCNTs electrocatalysts exhibit high CO2RR performance in reducing CO2 into formate.An outstanding activity(current density-78.5 mA cm-2),high conversion efficiency(Faradaic efficiency of formate over 90％),and persistent stability(～30 h)for selective CO2-to-formate conversion are observed.The outstanding CO2RR process performance is attributed to the unique structures with mesoporous surfaces and a conductive network,which promote the adsorption and desorption of reactants and intermediates while improving electron transfer.These findings provide guiding principles for synthesizing conductive metal-based electrocatalysts for high-performance CO2 conversion.
Department of Physics,Research Institute for Biomimetics and Soft Matter,Fujian Provincial Key Laboratory for Soft Functional Materials,Jiujiang Research Institute,Xiamen University,Xiamen 361005,China
School of Chemistry and Physics,QUT Centre for Materials Science and QUT Centre for a Waste-Free World,Queensland University of Technology(QUT),Brisbane QLD 4000,Australia
School of Chemical and Biomolecular Engineering,University of Sydney,Sydney NSW 2006,Australia
Jiujiang Research Institute in Xiamen UniversityQUT Faculty Centre Strategic Funding provided by the Faculty of Science and QUT Centre for a Waste-Free WorldAustralian Research Council(ARC)QUT Centre for Materials ScienceOpen access publishing facilitated by Queensland University of TechnologyWiley-Queensland University of Technology agreement via the Council of Australian University Librarians
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