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http://dx.doi.org/10.5855/ENERGY.2012.21.4.346

Modeling of the charge and discharge behavior of the 2S2P(2 series-2 parallel) AGM battery system for commercial vehicles  

Lee, Jeongbin (Dept. of Chemical Engineering and Division of Energy Systems Research, Ajou University)
Kim, Ui Seong (Dept. of Chemical Engineering and Division of Energy Systems Research, Ajou University)
Yi, Jae-Shin (Dept. of Chemical Engineering and Division of Energy Systems Research, Ajou University)
Shin, Chee Burm (Dept. of Chemical Engineering and Division of Energy Systems Research, Ajou University)
Publication Information
Journal of Energy Engineering / v.21, no.4, 2012 , pp. 346-355 More about this Journal
Abstract
Recent in the world environmental issues and energy depletion problems have been received attention. One way to solve these problems is to use hybrid electric vehicles (HEVs). Therefore, the interest in HEV technology is higher than ever before. Viable candidates for the energy-storage systems in HEV applications may be absorbent glass mat (AGM) lead-acid, nickel-metal-hydride (Ni-MH) and rechargeable lithium batteries. The AGM battery has advantages in terms of relatively low cost, high charge efficiency, low self-discharge, low maintenance requirements and safety as compared to the other batteries. In order to implement HEV system in required more electric power commercial vehicles AGM batteries was connected to 2 series-2 parallels (2S2P). In this study, a one-dimensional modeling is carried-out to predict the behaviors of 2S2P AGM batteries system during charge and discharge. The model accounts for electrochemical reaction rates, charge conservation and mass transport. In order to validate the model, modeling results are compared with the experimentally measured data in various conditions.
Keywords
2 series-2 parallel battery system; AGM battery; electrochemical modeling;
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