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In this paper, an Adaptive Pulse Charge System (APCS) for Li-ion batteries is proposed to improve the charge performance by pulse charging with most suitable frequency and duty. To evaluate the performance of proposed method, a prototype is designed and implemented with a 600 mAh Li-ion battery. Compared with standard Constant Current — Constant Voltage(CC-CV) method, proposed APCS has improved the...
Sinusoidal chargers use a DC-shifted sinusoidal current profile to charge the battery at a frequency at which the battery's AC impedance is minimum. In this paper, a new method is proposed for allocating and tracking the optimal charging frequency in real-time for lithium-ion (Li-ion) batteries for sinusoidal chargers. The proposed method is based on tracking the maximum power point of the charging...
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