Mechanisms of water oxidation on heterogeneous catalyst surfaces

被引：0
作者：
Xiaogang Yang
Yuanxing Wang
Chang Ming Li
Dunwei Wang
机构：
[1] Suzhou University of Science and Technology,Institute of Materials Science and Devices, School of Materials Science and Engineering
[2] Merkert Chemistry Center,Department of Chemistry, Boston College
[3] Southwest University,Institute of Clean Energy & Advanced Materials
来源：
Nano Research | 2021年 / 14卷
关键词：
water oxidation; intermediate; rate-determining step; rate-law; Tafel analysis; density functional theory;
D O I：
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中图分类号：
学科分类号：
摘要：
Water oxidation, an essential step in photosynthesis, has attracted intense research attention. Understanding the reaction pathways at the electrocatalyst/water interface is of great importance for the development of water oxidation catalysts. How the water is oxidized on the electrocatalyst surface by the positive charges is still an open question. This review summarizes current advances in studies on surface chemistry within the context of water oxidation, including the intermediates, reaction mechanisms, and their influences on the reaction kinetics. The Tafel analyses of some electrocatalysts and the rate-laws relative to charge consumption rates are also presented. Moreover, how the multiple charge transfer relies on the intermediate coverage and the accumulated charge numbers is outlined. Lastly, the intermediates and rate-determining steps on some water oxidation catalysts are discussed based on density functional theories. [graphic not available: see fulltext]
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页码：3446 / 3457
页数：11
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