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Insights into mechanisms on electrochemical oxygen evolution substitution reactions
Liao, Wanyi1; Zhao, Qin1; Wang, Shanshan1; Ran, Yiling1; Su, Hong1; Gan, Rong1; Lu, Shun2,3; Zhang, Yan1
2023-12-01
摘要The high total energy consumption of water electrolysis systems is often attributed to the slow kinetics of oxygen evolution reaction (OER). To address this issue, substituting small molecule oxidation reaction that is thermo-dynamically more advantageous for OER at the anode can significantly increase its energy conversion efficiency. Diversified oxidation substrates can ensure efficient conversion of the cathodic reaction while generating high value-added products or pollutant degradation at the anode. However, the complexity of the elemental composition of the substrate requires an in-depth study of the reaction mechanism. This review focuses on the mechanism of electrooxidation of different substrate molecules, such as ethanol, urea, and hydrazine. Additionally, it introduces some design ideas and strategies for high-performance electrocatalysts in conjunction with reaction path selectivity. The work also foresees the challenges in achieving industrial transformation in this field.
关键词Electrochemical oxidation mechanism Ethanol oxidation Urea oxidation Hydrazine oxidation Oxygen evolution reaction
DOI10.1016/j.jcat.2023.115161
发表期刊JOURNAL OF CATALYSIS
ISSN0021-9517
卷号428页码:11
通讯作者Lu, Shun(lushun@cigit.ac.cn) ; Zhang, Yan(zyzw@swjtu.edu.cn)
收录类别SCI
WOS记录号WOS:001098635500001
语种英语