Design optimization of Pb–Sn–Сa cast grids for VLRA-batteries

Keywords

lead-acid VLRA-batteries, gravity cast grids, calculation of stress-strain state, optimization of grid design.

Cite as

Dzenzerskiy V. О., Tarasov S. V., Sukhova О. V., and Ivanov V. А. Design optimization of Pb–Sn–Сa cast grids for VLRA-batteries. Physicochemical Mechanics of Materials. 2026. 62(1), 147-152.

https://doi.org/10.15407/pcmm2026.01.147

Abstract

Optimal design of cast grids for lead-acid batteries was chosen. Grids were gravity cast of Pb–Sn–Ca alloys (0.6–0.9 wt% Sn; 0.06–0.09 wt% Сa; Pb – balance) in casting machines of production line for VRLA-batteries of BM company (Austria). The necessary changes introduced to the grid design was estimated based on stress-strain state analysis using ANSYS specialized program. From the considered nine variants of grid design, the use of additional third jumper at the junction of single grids into double grid and diagonal wire with a large angle of inclination in the grid plane was recommen­ded. The proposed changes to the grid design proved to be effective to prevent grids defor­mation in VLRA-batteries production conditions.

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