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A low-cost lead-acid battery with high specific-energy

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Abstract

Lightweight grids for lead-acid battery grids have been prepared from acrylonitrile butadiene styrene (ABS) copolymer followed by coating with lead. Subsequently, the grids have been electrochemically coated with a conductive and corrosion-resistant layer of polyaniline. These grids are about 75% lighter than those employed in conventional lead-acid batteries. Commercial-grade 6V/3.5Ah (C20-rate) lead-acid batteries have been assembled and characterized employing positive and negative plates constituting these grids. The specific energy of such a lead-acid battery is about 50 Wh/kg. The batteries can withstand fast charge-discharge duty cycles.

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Authors and Affiliations

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

    S. K. Martha, B. Hariprakash & A. K. Shukla

  2. NED Energy Ltd, 6-3-1109/1 Navbharat Chambers, Raj Bhavan Road, 560 082, Hyderabad

    S. A. Gaffoor

  3. Central Electrochemical Research Institute, 630 006, Karaikudi

    D. C. Trivedi & A. K. Shukla

Authors
  1. S. K. Martha
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  2. B. Hariprakash
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  3. S. A. Gaffoor
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  4. D. C. Trivedi
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  5. A. K. Shukla
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Corresponding author

Correspondence to A. K. Shukla.

Additional information

Dedicated to Prof J Gopalakrishnan on his 62nd birthday.

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Martha, S.K., Hariprakash, B., Gaffoor, S.A. et al. A low-cost lead-acid battery with high specific-energy. J Chem Sci 118, 93–98 (2006). https://doi.org/10.1007/BF02708770

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  • DOI: https://doi.org/10.1007/BF02708770

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