Lead-acid storage battery and electrode therefor

Details Lead-acid storage battery and electrode therefor Lead-acid storage battery and electrode therefor

1977-11-21

1978-12-19

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

429225, H01M 414, H01M 1006

Patent

active

041306953

ABSTRACT:
Between 0.001 and 0.5% by weight of polytetrafluoroethylene powder is incorporated in the composite electrochemically active mass carried on the lead plates of a lead-acid storage battery. In the case of the positive electrodes, the result is to lengthen the service life in terms of cycles of charging and discharging. In the case of the negative electrodes, the effect is to raise the low-current yield and the low-temperature high-current yield. The density of the composite mass is reduced and its water-holding properties increased.

REFERENCES:
patent: 2130104 (1938-09-01), Schaeffer et al.
patent: 3457112 (1969-07-01), Reber
patent: 3488218 (1970-01-01), Metzler et al.
patent: 3723182 (1973-03-01), Venuto
patent: 3770507 (1973-11-01), Weissman et al.

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