Maintenance-free battery with grids of lead-based ternary...

Details Maintenance-free battery with grids of lead-based ternary... Maintenance-free battery with grids of lead-based ternary...

H - Electricity

01

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319/87

H01M 10/06 (2006.01) C22C 11/02 (2006.01) H01M 4/14 (2006.01) H01M 4/68 (2006.01)

Patent

CA 1041166

ABSTRACT OF THE DISCLOSURE The present invention provides a maintenance-free battery having improved performance characteristics and utilizing a unique, hybrid combination of ternary alloys for the positive and negative grids. The positive grids are formed from a ternary, lead base alloy consisting essentially of lead, from about 1.0 to about 2.0% antimony and from about 1.2 to about 2.2% cadmium, the cadmium being present in an amount at least equal to the amount of antimony present: and the negative grids are formed from a ternary lead base alloy consisting essentially or lead, from 0.06 to about 0.20% calcium and from about 0.10 to about 0.40% tin, the percentages of each alloy being based on the alloy weight.

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