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Impedance parameters and the state-of-charge. II. Lead-acid battery

Gopikanth, ML and Sathyanarayana, S (1979) Impedance parameters and the state-of-charge. II. Lead-acid battery. In: Journal of Applied Electrochemistry, 9 (3). pp. 369-379.

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The determination of the state-of-charge of the lead-acid battery has been examined from the viewpoint of internal impedance. It is shown that the impedance is controlled by charge transfer and to a smaller extent by diffusion processes in the frequency range 15–100 Hz. The equivalent series/parallel capacitance as well as the a.c. phase-shift show a parabolic dependence upon the state-of-charge, with a maximum or minimum at 50% charge. These results are explained on the basis of a uniform transmission-line analog equivalent circuit for the battery electrodes.

Item Type: Journal Article
Publication: Journal of Applied Electrochemistry
Publisher: Springer
Additional Information: Copyright of this article belongs to Springer.
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Date Deposited: 23 Dec 2010 05:41
Last Modified: 23 Dec 2010 05:41
URI: http://eprints.iisc.ac.in/id/eprint/34389

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