| 从银电极上氢析出的温度效应得到的反应动力学启示 |
| |
| 引用本文： | 康婧,林楚红,姚瑶,陈艳霞.从银电极上氢析出的温度效应得到的反应动力学启示[J].化学物理学报,2014,27(1):63-68. |
| |
| 作者姓名： | 康婧 林楚红 姚瑶 陈艳霞 |
| |
| 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 |
| |
| 摘 要： | 利用循环伏安法研究了多晶银电极在0.1 mol/L HClO4溶液中氢析出反应的温度效应. 发现当从析氢起始电位负向扫描至零电荷电位(-0.4 V)时，氢析出反应的表观活化能(Ea,app)和指前因子(A)均随着电势的负移而增大(对应的Ea,app从24 kJ/mol增大至32 kJ/mol).继续负向扫描至零电荷电位以后，Ea,app随电势的负移而减小但A不随电势变化. 推测Ea,app和A在零
|
| 关 键 词： | 氢析出反应，银电极，温度效应，活化能，对称因子，内能，熵变 |
| 收稿时间： | 2013/5/28 0:00:00 |
Kinetic Implication from Temperature Effect on Hydrogen Evolution Reaction at Ag Electrode |
| |
| Jing Kang,Chu-hong Lin,Yao Yao and Yan-xia Chen.Kinetic Implication from Temperature Effect on Hydrogen Evolution Reaction at Ag Electrode[J].Chinese Journal of Chemical Physics,2014,27(1):63-68. |
| |
| Authors: | Jing Kang Chu-hong Lin Yao Yao and Yan-xia Chen |
| |
| Institution: | Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemical Physics, Uni-versity of Science and Technology of China, Hefei 230026, China;Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemical Physics, Uni-versity of Science and Technology of China, Hefei 230026, China;Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemical Physics, Uni-versity of Science and Technology of China, Hefei 230026, China;Hefei National Laboratory for Physical Sciences at Microscale, Department of Chemical Physics, Uni-versity of Science and Technology of China, Hefei 230026, China |
| |
| Abstract: | |
| |
| Keywords: | Hydrogen evolution reaction Ag electrode Temperature effect Activation energy Pre-exponential factor Internal energy Entropy change |
|
| 点击此处可从《化学物理学报》浏览原始摘要信息 |
| 点击此处可从《化学物理学报》下载免费的PDF全文 |
|
