DataVXAdvanced MaterialsPaper
journal article·2024-06

Construction of Ag─Co(OH)2 Tandem Heterogeneous Electrocatalyst Induced Aldehyde Oxidation and the Co‐Activation of Reactants for Biomass Effective and Multi‐Selective Upgrading

Peng Zhou, Xingshuai Lv, Huining Huang, Baixue Cheng, Haoyu Zhan, Yankun Lu, Thomas Frauenheim, Shuangyin Wang, Yuqin Zou

Advanced Materials· Volume 36· Issue 26
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Source abstract

Abstract

Abstract The electrocatalytic oxidation of 5‐hydroxymethylfurfural (HMF) provides a feasible way for utilization of biomass resources. However, how to regulate the selective synthesis of multiple value‐added products is still a great challenge. The cobalt‐based compound is a promising catalyst due to its direct and indirect oxidation properties, but its weak adsorption capacity restricts its further development. Herein, by constructing Ag─Co(OH)2 heterogeneous catalyst, the efficient and selective synthesis of 5‐hydroxymethyl‐2‐furanoic acid (HMFCA) and 2,5‐furan dicarboxylic acid (FDCA) at different potential ranges are realized. Based on various physical characterizations, electrochemical measurements, and density functional theory calculations, it is proved that the addition of Ag can effectively promote the oxidation of aldehyde group to a carboxyl group, and then generate HMFCA at low potential. Moreover, the introduction of Ag can activate cobalt‐based compounds, thus strengthening the adsorption of organic molecules and OH− species, and promoting the formation of FDCA. This work achieves the selective synthesis of two value‐added chemicals by one tandem catalyst and deeply analyzes the adsorption enhancement mechanism of the catalyst, which provides a powerful guidance for the development of efficient heterogeneous catalysts.
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Research context

Catalysis & surfaces

OpenAlex topics: Electrocatalysts for Energy Conversion · Catalytic Processes in Materials Science · CO2 Reduction Techniques and Catalysts

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory of Bio‐fibers and Eco‐textiles College of Materials Science and Engineering Collaborative Innovation Center of Shandong Marine Biobased Fibers and Ecological Textiles Institute of Marine Biobased Materials Qingdao University Qingdao 266071 P. R. China

State Key Laboratory of Chemo/Bio‐Sensing and Chemometrics College of Chemistry and Chemical Engineering Advanced Catalytic Engineering Research Center of the Ministry of Education Hunan University Changsha 410082 China

Institute of Applied Physics and Materials Engineering University of Macau Macao SAR 999078 China

Tianjin Key Laboratory of Advanced Functional Porous Materials Institute for New Energy Materials & Low‐Carbon Technologies School of Materials Science and Engineering Tianjin University of Technology Tianjin 300384 China

School of Science Constructor University 28759 Bremen Germany

Beijing Computational Science Research Center Beijing 100193 China

Funding

National Key Research and Development Program of China · National Natural Science Foundation of China · Natural Science Foundation of Shandong Province

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