Study on the effect of electrode lugs arrangement on the performance of AGM lead-carbon batteries

doi:10.19799/j.cnki.2095-4239.2020.0029

Abstract

Abstract:

In this study, the charge-discharge curves, battery capacities at different temperatures, gas evolution at different voltages, and deep circulation performance of the AGM lead-carbon batteries having two different arrangement modes of electrode lugs (i.e., same side and opposite side) are investigated. The positive active materials before and after the cycle were characterized using SEM and XRD, and a LANHE CT2001D battery cycle performance tester was used to verify the battery performance. Results show that the electrode lug arrangement considerably influences the performance of the lead-carbon batteries. When compared with the same-side arrangement, the opposite-side arrangement of the electrode lugs improves the battery’s discharge platform, delays the softening of positive active materials, and increases cycle life. Additionally, the amount of hydrogen produced by the battery on the opposite side of the electrode lugs was mostly less than that produced on the same side under different voltages. The higher the voltage, the greater will be the discrepancy in gas evolution. This study will provide reference and guidance for achieving further optimization of the lead-carbon battery structure.

Key words: AGM lead-carbon battery, electrode lugs arrangement, concentration polarization, gas evolution, cycle life

CLC Number:

TM 912

HUANG Weiguo, WANG Pengwei, CHEN Li, XU Zhibin, ZHOU Zhixue, LIU Xiaowei, WANG Qingshan, LI Yan. Study on the effect of electrode lugs arrangement on the performance of AGM lead-carbon batteries[J]. Energy Storage Science and Technology, 2020, 9(4): 1060-1065.

Figures/Tables 10

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References 10

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