A NEW PROPOSED SHEPHERD MODEL OF A LI-ION OPEN CIRCUIT BATTERY BASED ON DATA FITTING
Résumé
In this paper, the effect of environment parameters on the Lithium ion (Li-ion) battery behaviour is studied. In fact, the experimental database collected from a Lithium-ion battery is used to study its dynamic behaviour and then propose a dynamic battery model who can describe the relationship between the Open Circuit Voltage (OCV), the State Of Charge (SOC) and the ambient temperature (T a). The proposed Shepherd model of a Li-ion open circuit battery voltage OCV is adjusted by using the experimental database of the CALCE battery group CALCE and then this model is implemented and simulated by using MATLAB/Simulink tools.
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