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    • Monitoring sealed automotive lead-acid batteries by sparse-impedance spectroscopy

      B Hariprakash S K Martha A K Shukla

      Volume 115 Issue 5-6 October 2003 pp 465-472

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/jcsc/115/05-06/0465-0472

    • Keywords

       

      Impedance spectroscopy; sealed lead-acid batteries; state-of-health; state-of-charge; internal resistance

    • Abstract

       

      A reliable diagnostics of lead-acid batteries would become mandatory with the induction of an improved power net and the increase of electrically assisted features in future automobiles. Sparse-impedance spectroscopic technique described in this paper estimates the internal resistance of sealed automotive lead-acid batteries in the frequency range 10 Hz-10 kHz, usually produced by the alternators fitted in the automobiles. The state-of-health of the battery could be monitored from its internal resistance.

    • Author Affiliations

       

      B Hariprakash1 S K Martha1 A K Shukla1

      1. Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore - 560 012, India

    • Dates

       
      Published
      12 October 2003

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