Modelling of Gassing for VRLA OPzV (gel) Battery at 25°C

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Published: Jun 14, 2019
Keywords:
Gassing Overpotential Current exchange density Symmetry factor Gassing equilibrium potential

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Jibran Hayat
The Sirindhorn International Thai-German Graduate School of Engineering, King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand
Nisai H. Fuengwarodsakul
The Sirindhorn International Thai-German Graduate School of Engineering, King Mongkut’s University of Technology North Bangkok, Bangkok, Thailand
Jeanette Muenderlein
Institute of Power Electronics and Electrical Drives (ISEA), RWTH Aachen University, Aachen, Germany
Timo Ruewald
Institute of Power Electronics and Electrical Drives (ISEA), RWTH Aachen University, Aachen, Germany

Abstract

In order to increase the performance of the Energy Management System (EMS) for the M5BAT (Modular Multi-Megawatt Multi-Technology Middle Voltage Battery Storage System), with a size of 5 MW and to take full economic advantage of the various lead-acid batteries, battery models are implemented. Based on such models, a technology specific and favorable operation can be assured. For improving the model an experimental study of gassing has been conducted on the Sonnenschein A602 OPzV VRLA (gel) battery. Single electrode potentials have been observed and evaluated at different current rates at a regulated temperature of 25°C. Parameters such as the symmetry factor and current exchange density have been obtained from the measured data. Matlab/Simulink has been used to model the process of gassing using Tafel´s equations.

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How to Cite
Hayat, J., Fuengwarodsakul, N. H., Muenderlein, J., & Ruewald, T. (2019). Modelling of Gassing for VRLA OPzV (gel) Battery at 25°C. Applied Science and Engineering Progress, 12(2), 126–132. Retrieved from https://ph02.tci-thaijo.org/index.php/ijast/article/view/211290
Issue
Vol. 12 No. 2 (2019)
Section
Research Articles

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