Battery Aging and Its Influence on the Electromotive Force

V. Pop, H.J. Bergveld, Paulus P.L. Regtien, J.H.G. Op het Veld

Research output: Contribution to journalArticleAcademic

40 Citations (Scopus)

Abstract

Li-ion is currently the most commonly used battery chemistry in portable applications. Accurate state-of-charge (SOC) and remaining run-time indication for portable devices is important for user convenience and to prolong the lifetime of batteries. The actual SOC algorithms, which the main companies use in practice, make use of the so-called electromotive force (emf). In these SOC systems it is assumed that the emf of an Li-ion battery only depends on aging to a limited extent. In this paper, novel emf measurement and modeling efforts are presented as a function of battery aging. As will be shown, a better understanding of this dependence is useful for improving SOC accuracy.
Original languageUndefined
Pages (from-to)A744-A750
JournalJournal of the Electrochemical Society
Volume154
Issue number8
DOIs
Publication statusPublished - 2007

Keywords

  • IR-61692

Cite this

Pop, V. ; Bergveld, H.J. ; Regtien, Paulus P.L. ; Op het Veld, J.H.G. / Battery Aging and Its Influence on the Electromotive Force. In: Journal of the Electrochemical Society. 2007 ; Vol. 154, No. 8. pp. A744-A750.
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Battery Aging and Its Influence on the Electromotive Force. / Pop, V.; Bergveld, H.J.; Regtien, Paulus P.L.; Op het Veld, J.H.G.

In: Journal of the Electrochemical Society, Vol. 154, No. 8, 2007, p. A744-A750.

Research output: Contribution to journalArticleAcademic

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T1 - Battery Aging and Its Influence on the Electromotive Force

AU - Pop, V.

AU - Bergveld, H.J.

AU - Regtien, Paulus P.L.

AU - Op het Veld, J.H.G.

PY - 2007

Y1 - 2007

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AB - Li-ion is currently the most commonly used battery chemistry in portable applications. Accurate state-of-charge (SOC) and remaining run-time indication for portable devices is important for user convenience and to prolong the lifetime of batteries. The actual SOC algorithms, which the main companies use in practice, make use of the so-called electromotive force (emf). In these SOC systems it is assumed that the emf of an Li-ion battery only depends on aging to a limited extent. In this paper, novel emf measurement and modeling efforts are presented as a function of battery aging. As will be shown, a better understanding of this dependence is useful for improving SOC accuracy.

KW - IR-61692

U2 - 10.1149/1.2742296

DO - 10.1149/1.2742296

M3 - Article

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SP - A744-A750

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JF - Journal of the Electrochemical Society

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