Design of Li-Ion Batteries Equalization Module of Electric Vehicle

Abstract:

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Due to the limited life of series-connected battery stack suffered from the imbalanced charging-discharging operation, the equalization management module has become the key part of a battery management system. To minimize the adverse effects caused by the performance inconsistency between individual battery cells, a battery equalization management module based on the super-capacitors was designed in this study. This module separated the imbalance status into three types, applied different control strategy according to the status, and balanced every sub-group respectively. Simulation and experimental results showed that not only the module made the battery pack charge and discharge balanced, but also the efficiency of equalization was improved.

Info:

Periodical:

Advanced Materials Research (Volumes 383-390)

Edited by:

Wu Fan

Pages:

2507-2512

DOI:

10.4028/www.scientific.net/AMR.383-390.2507

Citation:

Z. X. Li et al., "Design of Li-Ion Batteries Equalization Module of Electric Vehicle", Advanced Materials Research, Vols. 383-390, pp. 2507-2512, 2012

Online since:

November 2011

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Price:

$35.00

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