Electrochemical–thermal modeling for a ternary lithium ion battery during discharging and driving cycle testing

Weiwei Huo; Hongwen He; Fengchun Sun

doi:10.1039/C5RA09018K

Electrochemical–thermal modeling for a ternary lithium ion battery during discharging and driving cycle testing

Weiwei Huo,^ab Hongwen He^ab and Fengchun Sun*^ab

* Corresponding authors

^a National Engineering Laboratory for Electric Vehicles, Beijing Institute of Technology, No. 5 South Zhongguancun Street, Haidian District, Beijing, China
E-mail: huoweiwei@bit.edu.cn

^b Collaborative Innovation Center of Electric Vehicles in Beijing, Beijing Institute of Technology, Beijing 100081, China

Abstract

The 3D modeling of the thermal behavior for a lithium ion battery is presented. The effect of the discharge conditions on the thermal behavior is examined using the finite element method. The distribution of potential in the lithium ion battery during the discharge process has great influence on the battery's thermal characteristics. The dynamic thermal behavior is analyzed under a Urban Dynamometer Driving Schedule (UDDS), which results from an attractive solution to electric vehicles for lithium ion batteries. Discharging experimental data were obtained to validate the simulation results. Moreover, the single battery model was used to study the thermal behavior of the US06 Supplemental Federal Test Procedure Cycle (SFTP US06 cycle) and Highway Fuel Economy Test Cycle (HWFET cycle). Single battery modeling is beneficial in building a battery pack and predicting heat generation.

Article information

https://doi.org/10.1039/C5RA09018K

Article type

Paper

Submitted

14 May 2015

Accepted

17 Jun 2015

First published

01 Jul 2015

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RSC Adv., 2015,5, 57599-57607

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Electrochemical–thermal modeling for a ternary lithium ion battery during discharging and driving cycle testing

W. Huo, H. He and F. Sun, RSC Adv., 2015, 5, 57599 DOI: 10.1039/C5RA09018K

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Electrochemical–thermal modeling for a ternary lithium ion battery during discharging and driving cycle testing

Abstract

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Electrochemical–thermal modeling for a ternary lithium ion battery during discharging and driving cycle testing

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