Thermodynamics Modeling and Simulating of Lithium-Ion Battery Pack under Electric Vehicle Driving Cycle

doi:10.3969/j.issn.1674-8484.2012.01.009

Journal Of Automotive Safety And Energy ›› 2012, Vol. 3 ›› Issue (1): 51-57.DOI: 10.3969/j.issn.1674-8484.2012.01.009

• Automotive Energy Efficiency & Environment Protection • Previous Articles Next Articles

Thermodynamics Modeling and Simulating of Lithium-Ion Battery Pack under Electric Vehicle Driving Cycle

LUO Yutao, TAN Di, HE Xiaochan

（School of Mechanical and Automotive Engineering, South China University of Technology,
Guangzhou 510640, China）

Received:2011-11-28 Online:2012-03-25 Published:2012-03-28
Supported by:
National“ 863” High-tech Project (2012AA110702)

Abstract

Abstract: Battery operation conditions for electric vehicles are varying with the vehicle load and driving
cycle. 3-D thermal field of the lithium-ion battery pack on electric vehicle was modeled using a finite element
analysis (FEA), based on the battery architecture and thermodynamics theory to analyze the thermal dynamic
performance under driving cycles. The thermal efficiency evaluating method is brought forward. The real time
thermal field distribution and the thermal efficiency of one real lithium-ion battery pack were analyzed with
Beijing city driving cycle taken as the load constrain example. Simulation results show that the load constrains
affect the thermodynamics. The results can be used in the future cooling system design process.

Key words: electric vehicle, lithium-ion battery pack, thermodynamics, driving cycle, thermal efficiency

CLC Number:

TM 912.9

LUO Yutao, TAN Di, HE Xiaochan. Thermodynamics Modeling and Simulating of Lithium-Ion Battery Pack under Electric Vehicle Driving Cycle[J]. Journal Of Automotive Safety And Energy, 2012, 3(1): 51-57.

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Thermodynamics Modeling and Simulating of Lithium-Ion Battery Pack under Electric Vehicle Driving Cycle

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