Abstract
The effects on battery life of lead‐calcium‐tin grids with bismuth content in the range 7–420 ppm have been studied. Full‐sized batteries were cycled to failure using either modified SAE J240 or J537 procedures. The results showed that in the test designed to cause failure by corrosion (SAE J537), no ill effects due to bismuth were noted. In the tests designed to model automotive service (J240), cycle life tended to increase with increasing bismuth content of the grids.
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