Optimization of grid configuration by investigating its effect on positive plate of lead-acid batteries via numerical modeling
- سال انتشار: 1394
- محل انتشار: یازدهمین سمینار سالانه الکتروشیمی ایران
- کد COI اختصاصی: ELECTROCHEMISTRY011_038
- زبان مقاله: انگلیسی
- تعداد مشاهده: 717
نویسندگان
Department of Chemical Engineering, Faculty of Engineering, Islamic Azad University of Quchan, Quchan, Iran
Department of Chemical Engineering, Faculty of Engineering, Ferdowsi University of Mashhad, Mashhad, Iran
Department of Mechanical Engineering, Faculty of Engineering, Islamic Azad University of Mashhad, Iran
Department of Chemistry, Faculty of Chemistry, University of Birjand, Birjand, Iran
چکیده
Regarding the increasing application of lead-acid batteries, huge efforts have been exerted to enhance efficiency and cycle life as well as improving charge acceptance and capacity of thesebatteries [1]. The configuration of grid wires plays an important role in minimizing ohmic drop and more uniform potential and current density distribution through grid wires and therefore improves current collecting ability and may reduce corrosion especially near the lug.In this study, numerical methods have been employed to investigate the effect of grid configuration on the performance of positive electrode of lead-acid batteries via modeling the current and potential distribution through gird wires, active material and adjacent electrolyte tothe surface of each grid. The distinct trait of this work is that in addition to modeling the myriad of different configurations which are in literature or are recommended by authentic and wellknown companies, some novel and unique designs are proposed and modeled as well. It can clearly be perceived from the result of the modeling that optimized tow-side radial, middle-lug design offers the best performance and current collecting ability for the positiveelectrode of lead-acid batteries and simultaneously provides the lowest total grid weight and the best tensile strength which is of utmost importance in mass production and gives rise to more cost-effective and competitive products.کلیدواژه ها
Lead-acid batteries, Grid configuration, Grid design, Positive electrode, Numerical modelingمقالات مرتبط جدید
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