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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(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2010年06期
Page:
133-136
Column:
新型碳材料研究专栏
publishdate:
2010-11-30

Article Info:/Info

Title:
Electrocatalytic activity of electrode modified with high surface area activated carbon for hydroquinone
Author(s):
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
Keywords:
high surface area activated carbon modified electrode hydroquinone electrocatalysis
Classification number :
TU991.2
DOI:
10.3969/j.jssn.1000-2006.2010.06.029
Document Code:
A
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.

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Last Update: 2010-12-27