Thermal analysis of lithium-ion cell using equivalent properties and lumped capacitance method

Hee Won Lee, Il Seouk Park

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

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).

Original languageEnglish
Pages (from-to)775-780
Number of pages6
JournalTransactions of the Korean Society of Mechanical Engineers, B
Volume37
Issue number8
DOIs
StatePublished - Aug 2013

Keywords

  • Equivalent Properties
  • Lithium-ion Cell
  • Lumped Capacitance Method
  • Thermal Analysis

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