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http://dx.doi.org/10.6111/JKCGCT.2020.30.4.123

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

Lim, Tae Seop (Sebang Global Battery Co., Ltd.)
Kim, Sung Jun (Sebang Global Battery Co., Ltd.)
Kim, Sang Dong (Sebang Global Battery Co., Ltd.)
Yang, Seung Cheol (School of Nano & Advanced Materials Eng., Changwon National Univ.)
Jung, Yeon Gil (School of Nano & Advanced Materials Eng., Changwon National Univ.)
Publication Information
Journal of the Korean Crystal Growth and Crystal Technology / v.30, no.4, 2020 , pp. 123-130 More about this Journal
Abstract
Nano seed incorporated in micro-sized 4BS (Tetrabasic lead Sulfate) seed was applied to the positive electrode active material and compared with Nano 4BS seed (NS). The dispersion of NS decreased due to the aggregation phenomenon, while the nano seed incorporated in micro-sized 4BS seed (INS) could confirm excellent dispersion. As the content of INS increased, the particle size of the active material became small and constant, which was confirmed through SEM and particle size analysis. The specific surface area for the reaction was increased and the high-rate discharge and lifetime characteristics were improved. In order to confirm the variation in particle size distribution in the plate manufacturing process, internal resistance and voltage were measured for 200 AGM lead-acid batteries, and it was confirmed that batteries quality variation decreased.
Keywords
AGM lead-acid battery; Positive plate; 4BS nano seed; Incorporated 4BS nano seed; Electrode;
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