| Pt－Rh合金电极上气体物质析出反应动力学 |
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| 引用本文： | 贾梦秋. Pt－Rh合金电极上气体物质析出反应动力学[J]. 北京化工大学学报(自然科学版), 1996, 0(1) |
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| 作者姓名： | 贾梦秋 |
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| 作者单位： | 北京化工大学应用化学系 |
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| 摘 要： | 采用极化测量的方法，在０．５ｍｏｌ／ＬＨ２ＳＯ４溶液中，对Ｐｔ－Ｒｈ合金电极上电化学析氢、析氧反应动力学进行了系统的研究，确定了反应动力学参数．实验结果表明，对于析氢反应．合金的组成及温度的变化对反应速度影响很小．而对于析氧反应．Ｐｔ－Ｒｈ合金当中Ｒｈ含量的增加可导致反应速度加快；提高温度明显地加快反应速度．
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| 关 键 词： | 催化活性，反应动力学，合金电极，析氢反应，析氧反应 |
The Kinetics of Evolution Reaction of H_2 and O_2on Pt-Rh Alloy Electrode |
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| Jia Mengqiu. The Kinetics of Evolution Reaction of H_2 and O_2on Pt-Rh Alloy Electrode[J]. Journal of Beijing University of Chemical Technology, 1996, 0(1) |
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| Authors: | Jia Mengqiu |
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| Abstract: | The kinetics of evolution reaction or H2 and O2 in Pt-Rh alloy electrode in 0.5mol/ L H2SO4 was systematically studied. The kinetic parameters of reactions were determined. Results show that as to the hydrogen evolution reaction, the composition of alloyand temperature have little influence on reaction velocity, whereas as to the oxygen evolution reaction, the increase of Rh content in Pt-Rh alloy can result in the increase of reachon velocity temperature increasing can dramastically enhance reaction velocity. |
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| Keywords: | catalytic activity reaction kinetics alloy electrode evolution hydrogen reaction evolution oxygen reaction |
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