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http://dx.doi.org/10.3795/KSME-B.2013.37.8.775

Thermal Analysis of Lithium-ion Cell Using Equivalent Properties and Lumped Capacitance Method  

Lee, Hee Won (School of Mechanical Engineering, Kyungpook Nat'l Univ.)
Park, Il Seouk (School of Mechanical Engineering, Kyungpook Nat'l Univ.)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.37, no.8, 2013 , pp. 775-780 More about this Journal
Abstract
In general, the battery module of an electric vehicle (EV) consists of lithium-ion cells. A lithium-ion battery is a secondary rechargeable battery, and it consists of numerous stacked plates that serve as electrodes and separators. Owing to these microstructural features, its numerical analysis is very expensive. Therefore, this study aims to present a simplified thermal analysis model using equivalent thermal properties, and we compare the experimental results with numerical results for 185.3Ah and 20Ah cells. Furthermore, we show the thermal behavior of cells without the finite element method (FEM) or finite volume method (FVM) by adopting the lumped capacitance method (LCM).
Keywords
Lithium-ion Cell; Thermal Analysis; Equivalent Properties; Lumped Capacitance Method;
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