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Thermal Simulation for a 48V/50Ah Lithium-ion Battery Pack

  • Chao Lyu
  • , Boyan Xia
  • , Weilin Luo
  • , Yi Sheng
  • , Lixin Wang
  • School of Electrical Engineering and Automation, Harbin Institute of Technology
  • Shanghai Institute of Space Power Sources
  • Harbin Institute of Technology Shenzhen

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Lithium-ion battery thermal management system is critical to improving charge and discharge safety and cycle life. At present, the thermal simulation is an important means to study the thermal problem of lithium battery, and the correct identification of the thermal parameters is the key to thermal simulation. This paper is based on COMSOL Multiphysics for the thermal simulation of a 48V/50Ah LiFePO4 battery pack. The thermal model for the battery simulation is first established. Secondly, for the thermal parameters involved in the heat transfer model, this paper heats the battery based on different heaters in an adiabatic environment, decoupling the acquisition of thermal parameters. Then, based on the above, the temperature field of battery pack at different charge rates are simulated and analyzed. Finally, experiment results validate the accuracy of the model. The results obtained through simulation can provide reference and guidance for the thermal safety problem.

Original languageEnglish
Title of host publicationProceedings of the 14th IEEE Conference on Industrial Electronics and Applications, ICIEA 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages155-160
Number of pages6
ISBN (Electronic)9781538694909
DOIs
StatePublished - Jun 2019
Externally publishedYes
Event14th IEEE Conference on Industrial Electronics and Applications, ICIEA 2019 - Xi'an, China
Duration: 19 Jun 201921 Jun 2019

Publication series

NameProceedings of the 14th IEEE Conference on Industrial Electronics and Applications, ICIEA 2019

Conference

Conference14th IEEE Conference on Industrial Electronics and Applications, ICIEA 2019
Country/TerritoryChina
CityXi'an
Period19/06/1921/06/19

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • COMSOL Multiphysics
  • Lithium-ion battery
  • Thermal parameters
  • Thermal simulation analysis

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