Battery balancing methods: A comprehensive review

Jian Cao, Nigel Schofield, Ali Emadi

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

522 Citations (Scopus)

Abstract

The trend toward more electric vehicles has demanded the need for high voltage, high efficiency and long life battery systems[1],[2]. A complete battery system consists of the following parts: protection, management and balancing. Of the three parts, balancing is the most important concerning the life of the battery system because without the balancing system, the individual cell voltages will drift apart over time. The capacity of the total pack will also decrease more quickly during operation which will result in the fail of the total battery system. This condition is especially severe when the battery has a long string of cells (high voltage battery systems) and frequent regenerative braking (charging) is done via the battery pack[3]-[5]. This paper presents the theory behind the proposed balancing methods for battery systems within the past twenty years. Comparison between the methods is carried out and different balancing methods are grouped by their nature of balancing.

Original languageEnglish
Title of host publication2008 IEEE Vehicle Power and Propulsion Conference, VPPC 2008
PublisherIEEE
Number of pages6
ISBN (Electronic)9781424418497
ISBN (Print)9781424418480
DOIs
Publication statusPublished - 18 Nov 2008
Externally publishedYes
Event4th IEEE Vehicle Power and Propulsion Conference - Harbin, China
Duration: 3 Sep 20085 Sep 2008
Conference number: 4

Publication series

Name2008 IEEE Vehicle Power and Propulsion Conference, VPPC 2008
PublisherIEEE
ISSN (Print)1938-8756

Conference

Conference4th IEEE Vehicle Power and Propulsion Conference
Abbreviated titleVPPC 2008
Country/TerritoryChina
CityHarbin
Period3/09/085/09/08

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