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Performance characteristics of AGM lead acid battery with the content of positive plate incorporating nano-size additive material

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2020, 30(4), pp.123-130
  • DOI : 10.6111/JKCGCT.2020.30.4.123
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering
  • Received : June 2, 2020
  • Accepted : July 27, 2020
  • Published : August 31, 2020

Tae Seop Lim 1 Sung Jun Kim 2 Sang Dong Kim 2 Yang, SeungCheol 3 Jung, Yeon-gil 3

1창원대학교 신소재공학부
2세방전지(주)
3창원대학교

Accredited

ABSTRACT

Nano seed incorporated in micro-sized 4BS (Tetrabasic lead Sulfate) seed was applied to the positive electrodeactive material and compared with Nano 4BS seed (NS). The dispersion of NS decreased due to the aggregationphenomenon, while the nano seed incorporated in micro-sized 4BS seed (INS) could confirm excellent dispersion. As thecontent of INS increased, the particle size of the active material became small and constant, which was confirmed throughSEM and particle size analysis. The specific surface area for the reaction was increased and the high-rate discharge andlifetime characteristics were improved. In order to confirm the variation in particle size distribution in the platemanufacturing process, internal resistance and voltage were measured for 200 AGM lead-acid batteries, and it wasconfirmed that batteries quality variation decreased.

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