Özgür EKİCİ, Ali AMİNİ, Baybars ÖZELCİ, Tanılay ÖZDEMİR, S. Çağlar BAŞLAMIŞLI, Murat KÖKSAL

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Experimental Study of the Performance of a Li-Ion Battery Cell in a Highway Driving Cycle

Experimental Study of the Performance of a Li-Ion Battery Cell in a Highway Driving Cycle

Li-ion batteries, as a secondary battery type, are currently the most viable option for poweringhybrid/electric vehicles. They have considerable advantages such as high specific energy and power,no memory effect, long cycling life, low maintenance requirement, and low self-discharge rate.However, their thermal performance can easily deteriorate at extreme ambient temperatures.Therefore, in this study, thermal and electrical behaviors of Li-ion batteries were investigated undervarious operating temperatures using a driving cycle that represents a highway driving condition. Abattery testing system was used to determine the performance of Li-ion batteries under simulatedloads. The results show that the measured temperature profiles, in broad strokes, follow the currentprofile. Because of the thermal capacitance of the battery, the changes in temperature variations areobserved to be the smoothened out version of the current profile. Moreover, the results show that theextreme ambient temperatures have adverse effects on thermal performance of Li-ion batteries. Thevolumetric energy density and the capacity of the cell significantly decrease at cold ambienttemperatures, especially for the sub-zero temperature applications possibly due to weak ionicconductivity within the cell. On the other hand, the difference between the ambient temperature andthe surface of the cell becomes more pronounced as the ambient temperature decreases.
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Kocaeli Journal of Science and Engineering-Cover
  • Yayın Aralığı: 2
  • Başlangıç: 2018
  • Yayıncı: Kocaeli Üniversitesi Fen Bilimleri Enstitüsü
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Sayıdaki Diğer Makaleler

Zafer BİNGÜL, Zehranur YILMAZ, Orkun YILMAZ

Erhan PULA, Ebubekir BEYAZOGLU

Experimental Study of the Performance of a Li-Ion Battery Cell in a Highway Driving Cycle

Özgür EKİCİ, Ali AMİNİ, Baybars ÖZELCİ, Tanılay ÖZDEMİR, S. Çağlar BAŞLAMIŞLI, Murat KÖKSAL

Experimental Study of the Performance of a Li-Ion Battery in a Highway Driving Cycle

Ali AMİNİ, Baybars ÖZELCİ, Tanılay ÖZDEMİR, Özgür EKİCİ, Selahattin Çağlar BAŞLAMIŞLI, Murat KOKSAL

Kasım TOPRAK, Ahmet Berk YILMAZ