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Search for an Optimal Rapid-Charging Pattern for Li-Ion Batteries Using the Taguchi Approach

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2 Author(s)
Yi-Hwa Liu ; Dept. of Electr. Eng., Nat. Taiwan Univ. of Sci. & Technol., Taipei, Taiwan ; Yi-Feng Luo

Lithium-ion batteries are playing important roles as energy storage solutions for portable devices, automotive electronics, and renewable energy systems. In order to maximize the performance of lithium-ion batteries, an advanced rapid-charging pattern is required. In this paper, a Taguchi-based algorithm is presented. Orthogonal arrays are implemented to determine the optimal rapid-charging pattern for multistage constant-current (CC)-charging method. Experimental results show that the obtained rapid-charging pattern is capable of charging lithium-ion batteries to 75% capacity in 40 min. The obtained pattern also provides 60% more cycle life than the conventional CC-constant-voltage method.

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Industrial Electronics, IEEE Transactions on  (Volume:57 ,  Issue: 12 )