| Pt(111)电极上O2与OHad的吸脱附及氧还原反应动力学 (cited: 1) |
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| 引用本文： | 杨帆,廖玲文,李明芳,梅东,陈艳霞.Pt(111)电极上O2与OHad的吸脱附及氧还原反应动力学 (cited: 1)[J].化学物理学报,2014,27(4):479-484. |
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| 作者姓名： | 杨帆 廖玲文 李明芳 梅东 陈艳霞 |
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| 作者单位： | 中国科学技术大学合肥微尺度物质科学国家实验室(筹)，化学物理系，合肥230026;中国科学技术大学合肥微尺度物质科学国家实验室(筹)，化学物理系，合肥230026;中国科学技术大学合肥微尺度物质科学国家实验室(筹)，化学物理系，合肥230026;中国科学技术大学合肥微尺度物质科学国家实验室(筹)，化学物理系，合肥230026;中国科学技术大学合肥微尺度物质科学国家实验室(筹)，化学物理系，合肥230026 |
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| 摘 要： | 研究了Pt(111)电极在0.1 mol/L HClO4溶液中O2吸附与OHad脱附及氧还原反应的动力学．研究发现OHad的可逆吸脱附速率很快；在氧还原的动力学或动力学与传质混合控制区，恒电位下氧还原的电流随反应时间缓慢衰减，在转速较大，扫速较慢的情形下正向扫描过程中氧还原的电流总是明显低于逆向扫描的电流；Pt/0.1 mol/L HClO4从无O2切换到O2
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| 关 键 词： | 氧还原反应，Pt(111)电极，反应决速步，动力学，热力学平衡，超电势 |
| 收稿时间： | 2014/2/11 0:00:00 |
Kinetics Study on O2 Adsorption and OHad Desorption at Pt(111), Its Implication to Oxygen Reduction Reaction Kinetics (cited: 1) |
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| Fan Yang,Ling-wen Liao,Ming-fang Li,Dong Mei and Yan-xia Chen.Kinetics Study on O2 Adsorption and OHad Desorption at Pt(111), Its Implication to Oxygen Reduction Reaction Kinetics (cited: 1)[J].Chinese Journal of Chemical Physics,2014,27(4):479-484. |
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| Authors: | Fan Yang Ling-wen Liao Ming-fang Li Dong Mei and Yan-xia Chen |
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| Institution: | Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China;Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China;Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China;Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China;Hefei National Laboratory for Physical Sciences at the Microscale, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, China |
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| Abstract: | |
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| Keywords: | Oxygen reduction reaction Pt(111) electrode Rate determining step Kinetics Overpotential Thermodynamic equilibrium |
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