Experimental identification and validation of an electrochemical model of a lithium-ion battery

Abstract

In this work an experimental parameter identification and validation for an electrochemical lithium-ion battery model is illustrated. The model was presented in [2] where, aimed at estimating the battery State Of Charge (SOC), the model was also averaged and an extended Kalman filter based on the average model was designed. The identification procedure is based on experimental data collected from a 6.8 Ah lithium-ion battery during charge and discharge processes. Experimental data are then compared with battery model output for validation purpose. A procedure for SOC calculation is also shown at the end of the article.