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Title: Low Frequency Ripple Charging of Li-Ion Battery using Bidirectional Zeta DC-DC Converter to Improve Charge Transfer Efficiency
Authors: Goud, J.S.
Kalpana, R.
Kiran, R.
Singh, B.
Issue Date: 2018
Citation: 2018 IEEE 7th International Conference on Power and Energy, PECon 2018, 2018, Vol., , pp.62-66
Abstract: Li-ion batteries are the most popular rechargeable batteries in applications like consumer electronics and electric vehicles in comparison with other rechargeable battery chemistries due to its high specific energy and longer life cycle. The reliability and life of the battery power devices depends on state of charge (SOC) and the charging protocol used for charging the battery. In this paper, low frequency ripple current (LFRC) charging of Li-Ion battery using the Zeta bi-directional DC-DC converter is presented. Charging the battery at the optimal frequency with ripple current results in improved charge transfer efficiency, improved charging time and thereby improves the life of the battery. To realize the LFRC charging technique, Zeta bidirectional converter and mathematical model of 48V, 4Ah Li-Ion battery is designed and simulated in MATLAB/ Simulink platform. Moreover, an experimental prototype is developed to validate the LFRC charging technique. � 2018 IEEE.
Appears in Collections:2. Conference Papers

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