The Effect of Pulsed Current on the Performance of Lithium-ion Batteries

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The pulsed current is considered to improve the performance of the Lithium-ion (Li-ion) battery. However, the effect of the pulsed current on Li-ion battery performances is inconclusive at present. In this paper, a battery cell was charged by applying a 0.05 Hz pulsed current. Different duty cycles, the current-rates (C-rates), and ambient temperatures were considered in order to obtain a clear impact of the pulsed current on the battery performance during charging. Compared with the constant current, the pulsed current can improve the charging capacity and decrease the maximum rising temperature by 30.63% and 60.3%, respectively. The results obtained were used for the parameterization of a capacity model and charging time model, which are able to express both the capacity and charging time at different charging conditions of the Li-ion battery cell.
TitelECCE 2020
StatusAccepteret/In press - 2020

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