A Effective Equalization Based on Multi-Mode for Series Grouped Battery Strings

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Abstract:

In applications of lithium-ion batteries, a equalizer is required to enhance life time and guarantee safety. A simple technique that provides effective equalization in terms of battery voltage for a series string of battery cells is presented. The mainly circuit technique of two-level DC/DC converters substantially simplify the structure. Moreover, multi-mode equalizing algorithm effectively enhances the uniformity of batteries. The operational principles and design considerations are verified and equalization performance is greatly improved compared with ordinary methods.

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Advanced Materials Research (Volumes 605-607)

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1908-1912

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December 2012

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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