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Article Dans Une Revue IEEE Transactions on Industrial Electronics Année : 2020

Aging characterization of lithium iron phosphate batteries considering temperature and direct current undulations as degrading factors

Résumé

This paper presents the aging characterization and modeling of lithium iron phosphate (LiFePO4) batteries. The research work suggested here aims to characterize the aging of the resistances and the capacities of the batteries as a function of using temperature and direct current undulations. The proposed model of the LiFePO4-batteries is for multi-source systems such as distributed power generation systems based renewable energies. The performances of the batteries used in these systems can be affected by the temperature and the DC-current undulations. The characterization system takes into account the temperature and the DC-current undulations as thermal and electric constraints for batteries. The experimental tests are performed through charging and discharging operations using calibrated fluctuating DC-current waveforms. The experimental measurements and simulations results found are similar with a deviation less than 1%. Hence the proposed model is very appropriate to predict the degradation of battery parameters caused by combined impacts of direct current undulations and the temperature.
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hal-03006102 , version 1 (15-11-2020)

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Kosseila Bellache, Mamadou Baïlo Camara, Brayima Dakyo, R. Sridhar. Aging characterization of lithium iron phosphate batteries considering temperature and direct current undulations as degrading factors. IEEE Transactions on Industrial Electronics, In press, pp.1-1. ⟨10.1109/TIE.2020.3020021⟩. ⟨hal-03006102⟩
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