Development of MnO2 Incorporated Ni-P Electrode for Ethanol Sensing

被引：0
|
作者：
Shibli, S. M. A. [1 ]
Suma, N. D. [2 ]
机构：
[1] Univ Kerala, Dept Chem, Kariavattom Campus, Thiruvananthapuram 695581, Kerala, India
[2] KSM Devaswom Board Coll, Dept Chem & Polymer Chem, Sasthamcotta Kollam PO, Sasthamcottah 690521, India
来源：
ANALYTICAL & BIOANALYTICAL ELECTROCHEMISTRY | 2018年 / 10卷 / 08期
关键词：
Electroless plating; MnO2; incorporation; Ethanol sensing; Chronoamperometry; Electrochemical sensor; Ni-P coating;
D O I：
暂无
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
MnO2 incorporated Ni-P electrodes were prepared by electroless deposition from a solution containing MnO2 particle suspended by stirring. The electrocatalytic activity of the electrode towards ethanol oxidation found to vary with concentrations of MnO2 particles. The electrode with 10 g/L MnO2 particles exhibited maximum electrocatalytic activity. The optimized electrode had a response time of 14 s and a sensitivity of 8.6 mu A/ppm cm(2). The electrochemical characterization for the catalytic activity was explained by cyclic voltammetry, chronoamperometry. The sensing behavior of the electrode was studied in 0.2 M NaOH solution containing ethanol using impedance spectroscopy. The maximum rate of ethanol oxidation was observed at its sensing potential.
引用
收藏
页码：1004 / 1015
页数：12
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