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        Design parameter study on the performance of lead-acid batteries

        Vahid Esfahanian,Amir Babak Ansari,Hassan Bahramian,Pooyan Kheirkhah,Goodarz Ahmadi 대한기계학회 2014 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.28 No.6

        The investigation of design parameters is very helpful for optimizing the capacity of an electrochemical cell, which can be done byboth experimental and numerical methods. In this study, a lead-acid battery has been simulated numerically using the CFD commercialsoftware package FLUENT. The governing equations, including conservation of charge in solid and liquid phases and conservation ofspecies, are solved by developing several user defined functions (UDF). The effect of some basic parameters such as electrode porosity,discharge current density, and width of the electrodes and separator on the cell voltage behavior of a lead-acid battery is investigated. Ithas been shown that increasing the width and porosity of separator has both positive and negative effects on the performance parametersof battery. Furthermore, a thicker PbO2 electrode has a more pronounced effect than a thicker Pb one.

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