Electrical properties and equalization of lithium-ion cells in automotive applications

Brian T. Kuhn, Grant E. Pitel, Philip T. Krein

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

This paper explores certain key properties of lithium-ion batteries important for automotive applications. Long-term laboratory tests have been conducted to characterize these cells. The results address state-of-charge measurement and characterization, input-output charge efficiency, and needs and results with charge equalization. The results show that open-circuit voltage can provide a basis for state-of-charge measurement. High input-output energy storage efficiency is a key benefit of Li-ion technology - a vital performance parameter for hybrid vehicles. Charge equalization is an important consideration for Li-ion applications, and active equalization is needed to insure safe operation and deliver long life. Present commercial devices vary significantly among manufacturers.

Original languageEnglish (US)
Title of host publication2005 IEEE Vehicle Power and Propulsion Conference, VPPC
Pages55-59
Number of pages5
DOIs
StatePublished - Dec 1 2005
Event2005 IEEE Vehicle Power and Propulsion Conference, VPPC - Chicago, IL, United States
Duration: Sep 7 2005Sep 9 2005

Publication series

Name2005 IEEE Vehicle Power and Propulsion Conference, VPPC
Volume2005

Other

Other2005 IEEE Vehicle Power and Propulsion Conference, VPPC
Country/TerritoryUnited States
CityChicago, IL
Period9/7/059/9/05

Keywords

  • Battery characteristics
  • Charge equalization
  • Hybrid automobiles
  • Lithium-ion batteries

ASJC Scopus subject areas

  • Engineering(all)

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