Dynamic Model of Li-Ion Batteries Incorporating Electrothermal and Ageing Aspects for Electric Vehicle Applications

In this paper, a dynamic model of Li-ion batteries incorporating electrothermal and ageing aspects is proposed for electric vehicle applications. The main goal of the proposed model is to be both simple and sufficiently representative of the physical phenomena occurring in a battery cell. These two...

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Bibliographic Details
Published in:IEEE transactions on industrial electronics (1982) 2018-02, Vol.65 (2), p.1298-1305
Main Authors: Mesbahi, Tedjani, Rizoug, Nassim, Bartholomeus, Patrick, Sadoun, Redha, Khenfri, Fouad, Le Moigne, Philippe
Format: Article
Language:English
Subjects:
Ageing behavior
Aging
Circuit diagrams
Computer simulation
dynamic model
Dynamic models
Electric power
electric vehicle
Electric vehicles
Empirical equations
Engineering Sciences
Equivalent circuits
Integrated circuit modeling
Li-ion batteries
Lithium-ion batteries
Mathematical model
Parameter identification
Rechargeable batteries
Resistance
state of charge (SOC)
Vehicle dynamics
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Summary:In this paper, a dynamic model of Li-ion batteries incorporating electrothermal and ageing aspects is proposed for electric vehicle applications. The main goal of the proposed model is to be both simple and sufficiently representative of the physical phenomena occurring in a battery cell. These two features allow for using this model as an evaluation tool of electric vehicle performances under different operational and environmental conditions. The developed model is based on an equivalent circuit diagram coupled with a thermal circuit and a semi-empirical ageing equation. Identification of parameters in the dynamic model is conducted by measurement tests in time domain, which uses a hybrid particle Swarm-Nelder-Mead optimization algorithm to achieve excellent prediction over the whole applicable current and state of charge ranges. The validation results show that the proposed model is able to simulate the dynamic interaction between the battery ageing and the thermal as well as electric behavior with sufficient accuracy in the range tested.
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2017.2714118