An Active Equalizer for Serially Connected Lithium-Ion Battery Cells

Hong Rui Liu; Chao Ying Xia

doi:10.4028/www.scientific.net/AMR.732-733.809

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 732-733An Active Equalizer for Serially Connected...

An Active Equalizer for Serially Connected Lithium-Ion Battery Cells

Abstract:

This paper proposes an equalizer for serially connected Lithium-ion battery cells. The battery cell with the lowest state of charge (SOC) is charged by the equalizer during the process of charging and discharging, and the balancing current is constant and controllable. Three unbalanced lithium-ion battery cells in series are selected as the experimental object by this paper. The discharging current under a certain UDDS and 20A charging current are used to complete respectively one time balancing experiment of discharging and charging to the three lithium-ion battery cells. The validity of the balancing strategy is confirmed in this paper according to the experimental results.

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Periodical:

Advanced Materials Research (Volumes 732-733)

Pages:

809-812

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.732-733.809

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Online since:

August 2013

Authors:

Hong Rui Liu*, Chao Ying Xia

Keywords:

Balancing Experiment, Charge State, Equalizer, Lithium-Ion Battery

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