Lead-based alloy for lead-acid battery, grid for lead-acid battery and lead-acid battery

摘要

Provided is a lead-based alloy for a lead-acid battery, comprising not less than 0.02% and less than 0.05% by weight of calcium, not less than 0.4% and not more than 4.0% by weight of tin, not less than 0.005% and not less than 0.002% and not more than 0.014% by weight of barium, and the balance of lead and unavoidable impurities.