| Pt单晶电极上氧和过氧化氢还原反应研究进展 |
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| 引用本文： | Valentín Briega-Martos,Enrique Herrero,Juan M.Feliu. Pt单晶电极上氧和过氧化氢还原反应研究进展[J]. 催化学报, 2020, 0(5): 732-738 |
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| 作者姓名： | Valentín Briega-Martos Enrique Herrero Juan M.Feliu |
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| 作者单位： | 阿利坎特大学电化学研究所 |
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| 基金项目： | supported by the MINECO-FEDER(project CTQ2016-76221-P);Valentín Briega-Martos thankfully acknowledges to MINECO the award of a predoctoral grant(BES-2014-068176,project CTQ2013-44803-P). |
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| 摘 要： | 氧还原反应(ORR)可能是电催化中最重要的阴极过程.尽管最近几年有关ORR反应的实验和理论研究很多,但ORR反应完整的机理尚未完全阐述清楚.本文总结了在单晶Pt电极上ORR反应研究的最新进展,特别是有关表面电荷的影响和可能的反应路径,并基于这些研究结果给出了ORR反应机理.
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| 关 键 词： | 巯基金纳米簇 金属氧化物载体 巯基配体 一氧化碳氧化 |
Recent progress on oxygen and hydrogen peroxide reduction reactions on Pt single crystal electrodes |
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| Abstract: | The oxygen reduction reaction(ORR)is probably the most important cathodic process in electrocatalysis because of its universal role as comburent in life and key applications in several fields such as fuel cells,corrosion processes or lithium-air batteries.Despite many experimental and theoretical investigations that have been carried out during the last years and contributed to improve the knowledge about this reaction,the complete mechanism for the ORR is not elucidated yet[1].The ORR involves the exchange of 4 electrons and 4 protons for the complete reduction of O2 to water(Eq.1).The reaction mechanism is complex and implies the formation of several intermediates involving O=O bond scission and O–H bond formation. |
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