Method for reducing the float current of maintenance-free batter

Details Method for reducing the float current of maintenance-free batter Method for reducing the float current of maintenance-free batter

1977-01-26

1978-04-25

LeFevour, Charles F.

Chemistry: electrical current producing apparatus, product, and

Process of cell operation

429 82, 429225, H01M 1044

Patent

active

040863921

ABSTRACT:
A maintenance-free battery having improved float current (i.e.-current draw) characteristics is provided by adding elemental zinc, or a zinc affording compound such as zinc sulfate to the battery in amounts sufficient to decrease the float current that would otherwise occur during voltage regulated overcharge. Rather than utilizing zinc alone, a mixture of zinc and cadmium may likewise be employed.

REFERENCES:
patent: 1533569 (1925-04-01), Pouchain
patent: 1632307 (1927-06-01), Miolati
patent: 1900616 (1933-03-01), Pouchain
patent: 2170650 (1939-08-01), Bouton et al.
patent: 2649766 (1953-08-01), Johnson
patent: 2650257 (1953-08-01), Jolley
patent: 2820079 (1958-01-01), Zahn
patent: 3607408 (1971-09-01), Duddy
patent: 3948680 (1976-04-01), Mao et al.

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