构建丙烯电催化氧化高效材料的最新进展

IF 4 2区化学 Q2 CHEMISTRY, PHYSICAL

Journal of Molecular Structure Pub Date : 2024-11-16 DOI:10.1016/j.molstruc.2024.140778

Peipei Zhao , Chunmei Liu , Jiamin Ma , Zimei Fu , Meng Bai , Yang Gao , He Xiao , Junwei Wu , Man Zhao , Jianfeng Jia

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引用次数: 0

摘要

丙烯作为一种重要成分，可以很好地转化为不同的工业产品，尤其是 C3 含氧化合物。然而，传统的热催化法不仅会因高温高压的操作条件而增加成本，而且会因完全氧化而产生二氧化碳。得益于温和的操作条件和清洁的电能，电催化技术出现在人们的视线中。电压调节用于提高产品的选择性，防止丙烯（EOP）过度电催化氧化成二氧化碳。此外，人们还构建了钯基、银基和铂基材料，以提高动力学速率并降低过电位。本微综述总结了结构调整对 EOP 活性和稳定性的影响，包括吸附-活化、反应机理、结构-活性关系等。此外，还提出了控制选择性电催化、简化合成工艺和先进表征技术等挑战。这篇综述将激励更多研究人员设计卓越的电催化剂，以优化其 EOP 性能。

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Recent advances in constructing efficient materials for electrocatalytic oxidation of propylene

As an important ingredient, propylene is well converted into different industrial products, especially for C₃ oxygen-containing compounds. However, traditional thermal catalysis not only increases the cost due to operation conditions of high temperature and high pressure, but also results in production of carbon dioxide via complete oxidation. Benefitting from mild operation condition and clean electric energy, electrocatalysis heaves in sight. Voltage regulation is used to enhance the selectivity of products and prevent excessive electrocatalytic oxidation of propylene (EOP) into carbon dioxide. Moreover, Pd, Ag, Pt-based materials have been constructed to promote kinetic rate and reduce the overpotential. This mini review summarizes influence of structure regulation on activity and stability of EOP, including adsorption-activation, reaction mechanism, structure-activity relationship, etc. Moreover, the challenges such as controlling selective electrocatalysis, simplifying the synthesis process and advanced techniques for characterizations are proposed. This review will inspire more researchers to design superior electrocatalysts to optimize their EOP performance.

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来源期刊

Journal of Molecular Structure 化学-物理化学

CiteScore

7.10

自引率

15.80%

发文量

2384

审稿时长

45 days

期刊介绍： The Journal of Molecular Structure is dedicated to the publication of full-length articles and review papers, providing important new structural information on all types of chemical species including: • Stable and unstable molecules in all types of environments (vapour, molecular beam, liquid, solution, liquid crystal, solid state, matrix-isolated, surface-absorbed etc.) • Chemical intermediates • Molecules in excited states • Biological molecules • Polymers. The methods used may include any combination of spectroscopic and non-spectroscopic techniques, for example: • Infrared spectroscopy (mid, far, near) • Raman spectroscopy and non-linear Raman methods (CARS, etc.) • Electronic absorption spectroscopy • Optical rotatory dispersion and circular dichroism • Fluorescence and phosphorescence techniques • Electron spectroscopies (PES, XPS), EXAFS, etc. • Microwave spectroscopy • Electron diffraction • NMR and ESR spectroscopies • Mössbauer spectroscopy • X-ray crystallography • Charge Density Analyses • Computational Studies (supplementing experimental methods) We encourage publications combining theoretical and experimental approaches. The structural insights gained by the studies should be correlated with the properties, activity and/ or reactivity of the molecule under investigation and the relevance of this molecule and its implications should be discussed.