高比表面积活性炭修饰电极对对苯二酚的电催化作用

doi:10.3969/j.jssn.1000-2006.2010.06.029

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南京林业大学学报（自然科学版） ›› 2010, Vol. 34 ›› Issue (06): 133-136.doi: 10.3969/j.jssn.1000-2006.2010.06.029

高比表面积活性炭修饰电极对对苯二酚的电催化作用

左宋林¹，蔡璇¹，尹寿银²

1.南京林业大学化学工程学院,江苏南京210037;2.南京林业大学理学院,江苏南京210037

出版日期:2010-12-27 发布日期:2010-12-27
基金资助:
收稿日期：2010-04-16修回日期：2010-09-16基金项目：国家自然科学基金项目(30972317)作者简介：左宋林(1968—)，副教授，博士。Email: zslnl@hotmail.com。引文格式：左宋林,蔡璇,尹寿银.

Electrocatalytic activity of electrode modified with high surface area activated carbon for hydroquinone

ZUO Songlin¹, CAI Xuan¹, YIN Shouyin²

1.College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China; 2.College of Science, Nanjing Forestry University, Nanjing 210037, China

Online:2010-12-27 Published:2010-12-27

摘要/Abstract

摘要： 采用循环伏安法和交流阻抗试验方法研究了对苯二酚在高比表面积活性炭修饰电极上的电化学行为。研究表明：该修饰电极的电化学过程受扩散过程控制，且该修饰电极对对苯二酚的电化学反应具有较高的催化活性。与裸电极相比，高比表面积活性炭修饰电极在含有0.1 mmol/L对苯二酚的HCl溶液中氧化峰电流和还原峰电流分别为裸电极的15.6和 29.8倍。在0.1 mol/L HCl溶液中，氧化峰电流IPa与对苯二酚浓度C(0.01~7 mmol/L)呈良好的线性关系：Ipa=9×10-6+5×10-8×C,R2=0.996 7。

Abstract: The electrocatalytic behavior of hydroquinone on glassy carbon electrode (GCE) modified with high surface area activated carbon (HSAAC) was investigated by cyclic voltammetry and electrochemical impedance test. The results showed that the electrode reaction was controlled by a diffusion process. The HSAAC modified electrode presented high electrocatalytic activity to the redox reaction of hydroquinone. Comparing with the naked GCE, the currents of the anodic and cathodic peaks on the HSAAC modified electrode increased by 15.6 and 29.8 times, respectively. In the 0.1 mol/L HCl solution, the value of the anodic peak current increased linearly with the concentration of hydroquinone in the range of 001—7 mmol/L, which could be expressed by the equation: Ipa=9×10-6+5×10-8×C, R2=0996 7.

中图分类号:

TU991.2

左宋林,蔡璇,尹寿银. 高比表面积活性炭修饰电极对对苯二酚的电催化作用[J]. 南京林业大学学报（自然科学版）, 2010, 34(06): 133-136.

ZUO Songlin, CAI Xuan, YIN Shouyin. Electrocatalytic activity of electrode modified with high surface area activated carbon for hydroquinone[J].Journal of Nanjing Forestry University (Natural Science Edition), 2010, 34(06): 133-136.DOI: 10.3969/j.jssn.1000-2006.2010.06.029.

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高比表面积活性炭修饰电极对对苯二酚的电催化作用

Electrocatalytic activity of electrode modified with high surface area activated carbon for hydroquinone

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