氧进化反应电催化剂中阴离子空位的研究进展

IF 15.7 1区化学 Q1 CHEMISTRY, APPLIED

Chinese Journal of Catalysis Pub Date : 2024-11-01 DOI:10.1016/S1872-2067(24)60157-9

Ya'nan Xia , Jingqi Chi , Junheng Tang , Xiaobin Liu , Zhenyu Xiao , Jianping Lai , Lei Wang

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引用次数: 0

摘要

可再生能源转换和水电解技术受到电催化氧进化反应（OER）动力学缓慢这一事实的制约。提高氧催化反应活性的方法和策略有很多。在本文中，我们系统地回顾了阴离子空位在增强催化剂 OER 活性方面的重要作用：提高催化剂导电性、改善导电性和增强中间体吸附性。为了更好地检测样品中是否存在空位，本文从光谱和显微表征两方面详细回顾了空位检测的原理，并详细总结了空位形成的方法以及影响空位浓度的因素。此外，还提出了阴离子空位研究的挑战和新方向。

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Research progress of anionic vacancies in electrocatalysts for oxygen evolution reaction

Renewable energy conversion as well as water electrolysis technologies are constrained by the fact that kinetics are always slow in the electrocatalytic oxygen evolution reaction (OER). There are numerous means and strategies for the enhancement of OER activity. In this paper, we systematically review the important role of anionic vacancies in enhancing the OER activity of catalysts: increasing catalyst conductivity, improving electrical conductivity, and enhancing intermediate adsorption. In order to better detect the presence of vacancies in the samples, the principle of vacancy detection is reviewed in detail in terms of both spectroscopic and microscopic characterization, and the methods of vacancy formation as well as the factors influencing the concentration of vacancies are summarized in detail. In addition, the challenges and new directions for the study of anionic vacancies are provided.

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来源期刊

Chinese Journal of Catalysis 工程技术-工程：化工

CiteScore

25.80

自引率

10.30%

发文量

235

审稿时长

1.2 months

期刊介绍： The journal covers a broad scope, encompassing new trends in catalysis for applications in energy production, environmental protection, and the preparation of materials, petroleum chemicals, and fine chemicals. It explores the scientific foundation for preparing and activating catalysts of commercial interest, emphasizing representative models.The focus includes spectroscopic methods for structural characterization, especially in situ techniques, as well as new theoretical methods with practical impact in catalysis and catalytic reactions.The journal delves into the relationship between homogeneous and heterogeneous catalysis and includes theoretical studies on the structure and reactivity of catalysts.Additionally, contributions on photocatalysis, biocatalysis, surface science, and catalysis-related chemical kinetics are welcomed.