Lead-acid storage battery

Details Lead-acid storage battery Lead-acid storage battery

H - Electricity

01

M

319/124, 319/25

H01M 4/16 (2006.01) H01M 10/06 (2006.01) H01M 10/12 (2006.01) H01M 6/50 (2006.01) H01M 10/42 (2006.01)

Patent

CA 1168302

ABSTRACT OF THE DISCLOSURE Improvements in a dry charged lead-acid storage battery and in a method for producing such a battery are disclosed. The improvements in the battery involve negative plates having an initial polarization, when on charge, not greater than zero; preferably, the positive plates have an initial polarization, when on charge, Or at least 100 millivolts, and most desirably, from 150 to 180 millivolts. The improvements in the method involve, for example, reducing the initial polarization of the negative plates by partial discharge thereof after formation or by air or chemical oxidation. The battery of the invention is protected from catastrophic positive grid corrosion upon activation and consequent premature failure in service without the necessity for conventional (high voltage) boost-charging at the time of installation into a conventional float charging system.

388477

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