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Volume :36 Issue : 1 2009      Add To Cart                                                                    Download

Effects of orange dye concentration on electrochemical properties of zinc/orange dye aqueous solution/carbon cell

Auther : M. SALEEM1, MUHAMMAD H. SAYYAD1,∗, ZUBAIR AHMAD1, KHASAN S. KARIMOV1,2, ZIODA M. KARIEVA3

M. SALEEM1, MUHAMMAD H. SAYYAD1,, ZUBAIR AHMAD1, KHASAN S. KARIMOV1,2, ZIODA M. KARIEVA3

 

1GIK Institute of Engineering Sciences and Technology, Topi, District Swabi, NWFP 23640, Pakistan

2Physical Technical Institute of Academy of Sciences, Rudaki Ave, 33, Dushanbe 734025, Tajikistan

3Tajik Technical University, Dushanbe 734000, Tajikistan

 

Abstract

 

Electrochemical properties of a Zn/orange dye aqueous solution/carbon cell have been investigated for different concentrations of orange dye. In this cell, orange dye is used as an electrolyte and zinc and carbon rods serve as electrodes. As a cell compartment the cylindrical glass vessels of length 4.0 cm and of diameter 2.5 cm are used. Effects of concentration have been examined on the discharge voltage–current, charge voltage/current–time and discharge voltage/current–time characteristics. The open-circuit voltages and short-circuit currents of cells are observed as dependent on the orange dye concentration. The efficiency of current discharge/charge is found larger at higher concentration of the dye. The discharge voltage/current–time characteristics exhibit stable and constant behavior at all concentrations.

 

Keywords: Charge-discharge process; Electrochemical sensor; Orange dye; Organic semiconductor; Rechargeable cell.

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