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Recent progress on nanostructured bimetallic electrocatalysts for water splitting and electroreduction of carbon dioxide

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Journal of Semiconductors 2020年第9期41卷 59-77页

作者： Can Cui Xiaosong Hu Liaoyong Wen Department of Materials Science and Engineering&Institute of Materials Science University of ConnecticutStorrsConnecticut06269-3136United States of America Key Laboratory of 3D Micro/Nano Fabrication and Characterization of Zhejiang Province School of EngineeringWestlake UniversityHangzhou 310024China

The exploitation of renewable energy as well as the elimination of the harmful impact of excessive carbon emission are worldwide concerns for sustainable development of the ecological environment on *** address that,the technologies regarding energy conversion systems,such as water splitting and electroreduction of carbon dioxide,have attracted significant attention for a few ***,to date,the production of green fuels and/or high energy density chemicals like hydrogen,methane,and ethanol,are still suffering from many drawbacks including high energy consumption,low selectivity,and sluggish reaction *** this regard,nanostructured bimetallic materials that is capable of taking the full benefits of the coupling effects between different elements/components with structure modification in nanoscale are considered as a promising strategy for high-performance ***,this review aims to outline the important progress of these nanostructured bimetallic *** starts with the introduction of some important fundamental background knowledge about the reaction mechanism to understand how these reactions ***,we summarize the most recent progress regarding how the nanostructured bimetallic electrocatalysts manipulate the activity and selectivity of catalytic reactions in the order of bimetallic alloying effect,interface/substrate effect of bi-component electrocatalyst,and nanostructuring effect.

关键词： bimetallic electrocatalysts nanostructures water splitting electroreduction of carbon dioxide

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Copper-based bimetallic electrocatalysts for CO_(2) reduction:From mechanism understandings to product regulations

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Materials Reports(Energy) 2023年第1期3卷 19-34,I0002页

作者： Haibei Yang Hongyuan Chuai Qingrui Meng Meiyan Wang Sheng Zhang Xinbin Ma Key Laboratory for Green Chemical Technology of Ministry of Education Haihe Laboratory of Sustainable Chemical TransformationsSchool of Chemical Engineering and TechnologyTianjin UniversityTianjin300072China Joint School of National University of Singapore and Tianjin University International Campus of Tianjin UniversityBinhai New CityFuzhou350207China

Electrocatalytic carbon dioxide reduction reaction(CO_(2) RR)is a promising method to solve current environment and energy ***-based catalysts have been widely studied for converting CO_(2) into value-added hy-drocarbon *** monometallic catalyst has been proved to have some shortcomings,including relatively high energy barriers and diverse reaction pathways,leading to low reaction activities and poor product selec-tivity,*** copper-based bimetallic tandem catalysts have attracted extensive attentions due to their special catalyst structure,which can be easily regulated to achieve high CO_(2) RR reactivity and product *** the development of quantum chemistry calculations and spectroscopic characterization methods,deep understandings of CO_(2) RR from the mechanism perspective provide a broad horizon for the design of effi-cient *** review offers a good summary of reaction mechanisms and product regulation strategies over copper-based bimetallic catalysts,along with a brief discussion on future directions towards their practical applications.

关键词： Copper bimetallic electrocatalysts Carbon dioxide reduction Mechanism Product regulations

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