Electrochemical processes modeling and sensing upon dirac potentiostatic excitation


  • Z. Stevic Z. University of Belgrade, Technical Faculty in Bor,
  • M. Rajcic-Vujasinovic School of Electrical Engineering, University of Belgrade,
  • I Radovanovic School of Electrical Engineering, University of Belgrade,


tical model, computer simulation, pulse excitation, electrochemical sensing


Modeling of the processes at the electrolyte–electrode interface by the application of electrical excitations is of great importance in electrochemistry. Straightforward and simple estimation of the parameters of double layer and charge transfer processes allows optimization, while increasing demand for the analysis of complex processes requires improvement of existing methods and establishment of new ones. Based on previous studies of electrochemical behavior of copper sulfide minerals, an electric analog is introduced and also a mathematical model is derived for potentiostaticexcitation of these systems by a Dirac pulse. The obtained analytical results are compared to experimental data and to the dataobtained by computer simulation. A computer system for pulse generation and the monitoring of the response is developed in the LabVIEW programming environment, and applied to real systems. High matching level between the model and the results is achieved by the proper choice of model parameters, which confirmed the proposed model and enabled possible further research within the fast and simple experiments with low number of experimental runs.

Author Biographies

Z. Stevic Z., University of Belgrade, Technical Faculty in Bor

prof. dr.

M. Rajcic-Vujasinovic, School of Electrical Engineering, University of Belgrade

prof. dr.


Tantavichet N, PritzkerM.D.Low- and High-Frequency Pulse Current and Pulse Reverse Plating of Copper. J. Electrochem, 2003, soc.150, p. 665.

HatzellK.B., Sharma A., FathyH.K.A survey of long-term health modeling, estimation, and control of Lithium-ion batteries.Proceedings of the American Control Conference (ACC).Challenges and opportunities. 2012, pp. 584-591.

Stevic Z., Rajcic-Vujasinovic M. Chalcocite as a potential material for supercapacitors.J. Power Sources, 2006, 160, 1511.

Stevic Z., Rajcic-Vujasinovic M., Dekanski A. Estimation of Parameters Obtained by Electrochemical Impedance Spectroscopy on Systems Containing High Capacities. Sensors, 2009, 9, 7365.

Stevic Z., Rajcic-Vujasinovic M., Radovanovic I.Comparative Analysis of Dynamic Electrochemical Test Methods of Supercapacitors. Int. J. Electrochem, 2014, Sci.9, 7110.

Conway B.E.Electrochemical supercapacitors.New York, Kluwer Academic/Plenum Publishers, 1999.

Gorman D. J.On use of the Dirac delta function in the vibration analysis of elastic structures.Int. J. of Solids and Structures, 2008, 4605.

ConwayB.E., PellW.G., LiuT.C. Diagnostic analyses for mechanisms of self-discharge of electrochemical capacitors and batteries. J. Power Sources, 1997, 65, p. 53.

Stevic Z., Rajcic-Vujasinovic M., Bugarinovic S., Dekanski A. Construction and Characterisation of Double Layer Capacitors. ActaPhysicaPolonica, 2010, A117, 228.

ZhengJ.P., Huang J., JowT.R. The limitations of energy density for electrochemical capacitors J. Electrochem, 1997, Soc. 144, 2026.

National Instruments LabVIEW.Analysis concepts; NI Corporation, 2010.

Stevic Z., Andjelkovic Z., AnticD.A. New PC and LabVIEW package based system for electrochemical investigations. Sensors, 2008, 8, 1819.



Computer systems and information technologies in education, science and management