Volume 3, Issue 1 (9-2017)
jste 2017, 3(1): 39-49 |
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Karimi G, Bidakhti Dehghan A. (2017). Thermal Management of Lithium-Ion Batteries in Automotive Electrical. jste. 3(1), 39-49.
URL: http://yujs.yu.ac.ir/jste/article-1-80-en.html
URL: http://yujs.yu.ac.ir/jste/article-1-80-en.html
Associate Professor of Chemical Engineering, Shiraz University, Iran , ghkarimi@shirazu.ac.ir
Abstract: (5149 Views)
Because of increasing demand on new reliable power source for hybrid electric vehicles, lithium-ion (Li-ion) batteries have received much attention in the last decade. Problem free Li-ion batteries are already in use for low power demand applications such as cell phone and laptop battery packs, however; for high power applications such as in automotive propulsion drives, there are serious issues which need to be addressed. Among various issues that high power application lithium-ion (Li-ion) batteries are encountered, thermal issues have received more attention because of their potential to degrade battery performance. In this work, a lumped capacitance heat transfer model is developed in conjunction with a flow network approach to study performance of a commercial-size Lithium-ion battery pack, under various design and operating conditions of a thermal management system. Air, silicon oil and water are chosen as cooling media in the battery pack. Different flow configurations are considered and temperature dispersion, cell-averaged voltage and resistance distributions, and parasitic losses due to the fan/pump power demand are calculated. It is found that application of a coolant with an appropriate viscosity and heat capacity, such as water, in conjunction with a Y-type flow configuration will result in uniform temperature and voltage distributions in the battery pack while keeping the power requirement at low, acceptable levels.
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