New Cell Balancing Charging System Research for Lithium-ion Batteries

Chan-Yong Zun, Sang-Uk Park and Hyung-Soo Mok
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Chan-Yong Zun: Department of Electrical Engineering, Konkuk University, Seoul KS013, Korea
Sang-Uk Park: Department of Electrical Engineering, Konkuk University, Seoul KS013, Korea
Hyung-Soo Mok: Department of Electrical Engineering, Konkuk University, Seoul KS013, Korea

Energies, 2020, vol. 13, issue 6, 1-10

Abstract: With recent advancements in the electrical industry, the demand for high capacity and high energy density batteries has increased, subsequently increasing the demand for fast and reliable battery charging. A battery is an assembly of a plurality of cells, in which maintaining a balance between neighboring cells is crucial for stable charging. To this end, various methods have been applied to battery management systems. Representative methods for maintaining the balance in battery cells include a passive method of adjusting the balance using a resistor and an active method involving the exchange of energy between the cells. However, these methods are limited in terms of efficiency, lifespan, and charging time. Therefore, in this study, we propose a new charging method at the battery cell level and demonstrate its effectiveness through experiments.

Keywords: battery; battery charging; cell balancing; battery management system; passive cell balancing (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
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