析氧
催化作用
制氢
电解
贵金属
电解水
阳极
材料科学
纳米技术
化学
生化工程
电化学
电极
工程类
生物化学
物理化学
电解质
作者
Jieyu Yang,Wenli Zhao,Fenghua Xu,Xiaodong Hu,Baicheng Weng
出处
期刊:ACS applied nano materials
[American Chemical Society]
日期:2023-11-27
卷期号:6 (23): 21424-21450
被引量:3
标识
DOI:10.1021/acsanm.3c03670
摘要
Hydrogen production from proton exchange membrane electrolysis cells (PEMECs) has gained increasing attention due to their high efficiency, low maintenance cost, fast dynamics, and high hydrogen purity. However, large-scale hydrogen production in PEMECs has been hampered by the high cost of oxygen evolution reaction (OER) electrocatalysts, such as IrO2 and RuO2. It is therefore highly imperative to develop acidic electrocatalysts with high activity, long-term durability, and low cost. In this review, we will brief the basic concept of the OER, discuss the acidic OER mechanism, summarize the latest research progress of the OER catalysts, including noble metal based catalysts and non noble metal based catalysts, and categorize the strategies that are expected to improve the activity and stability of catalysts. The morphology and size effects resulting from nanostructures are discussed, and the issues, critical challenges, and perspectives facing acidic OER catalysts are also discussed. The review therefore could provide the reader with guidance for improving the activities of the OER electrocatalysts in acid.
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