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Energies 2013, 6(6), 2726-2740; doi:10.3390/en6062726

SOC Based Battery Cell Balancing with a Novel Topology and Reduced Component Count

1
School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, China
2
Department of Electrical and Computer Engineering, University of Michigan, Dearborn, MI 48128, USA
*
Author to whom correspondence should be addressed.
Received: 7 April 2013 / Revised: 26 April 2013 / Accepted: 16 May 2013 / Published: 24 May 2013
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Abstract

This paper proposes a novel battery cell balancing topology with reduced component count and simplified control. The balancing algorithm is based on the state of charge (SOC) of each individual cell instead of cell voltage. The principle of the proposed topology is analyzed and verified through simulation and experiments. Then an experimental battery test workbench is established to validate the proposed balancing algorithm. The experimental results show that the proposed balancing topology and associated algorithm can perform well in real applications.
Keywords: state of charge (SOC); battery balancing method; balancing topology; balancing strategy; battery; lithium ion battery; electric vehicle; cost; reliability state of charge (SOC); battery balancing method; balancing topology; balancing strategy; battery; lithium ion battery; electric vehicle; cost; reliability
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Xu, J.; Li, S.; Mi, C.; Chen, Z.; Cao, B. SOC Based Battery Cell Balancing with a Novel Topology and Reduced Component Count. Energies 2013, 6, 2726-2740.

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