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定制催化剂表面/接口结构用于电化学CO2减少

Xin Tan1, Haojie Zhu1, Chang He1

  • 1Engineering Research Center of Advanced Rare Earth Materials, Department of Chemistry, Tsinghua University Beijing 100084 China cchen@mail.tsinghua.edu.cn.

Chemical science
|March 22, 2024
PubMed
概括

定制电催化剂表面可以增强电化学二氧化碳减排反应 (CO2RR),将二氧化碳转化为有价值的化学物质. 本综述探讨了表面/接口工程策略,以提高CO2RR性能.

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Interfacial Electrochemical Methods: Overview

Interfacial electrochemical methods focus on the phenomena occurring at the boundary between an electrode and a solution, as opposed to bulk methods that concentrate on the solution's overall properties. These interfacial methods are classified as either static or dynamic based on the presence of a nonzero current in the electrochemical cell and the consistency of analyte concentrations. Static methods, such as potentiometry, measure the cell's potential without any significant current passing...
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Heterogeneous Catalysis

Heterogeneous catalysis involves a catalyst in a different phase from the reactants. It is a process where the catalyst and the reactants are in distinct phases, typically solid and gas or liquid.Most heterogeneous catalysts are metals, metal oxides, or acids. The list includes transition metals like iron (Fe), cobalt (Co), nickel (Ni), palladium (Pd), platinum (Pt), chromium (Cr), manganese (Mn), tungsten (W), silver (Ag), and copper (Cu). These metals possess partially vacant d orbitals that...
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The electrode interacts with ions in the electrolyte solution at its interface. The rate of oxidation and reduction depends on the speed at which electrons can transfer through this interface. As ions attach to or leave the electrode surface, the electrode acquires a charge, and an electrical potential forms across the interface, making the process more difficult to reach equilibrium. The charge on the electrode affects the local ion concentrations in the solution, though thermal motion...