Process for charging maintenance-free lead batteries with a fixe

Details Process for charging maintenance-free lead batteries with a fixe Process for charging maintenance-free lead batteries with a fixe

1988-09-06

1990-08-28

Hickey, R. J.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 32, 320 39, H02J 700, H01M 1044

Patent

active

049528610

ABSTRACT:
A three-stage rapid charging process for maintenance-free lead storage batteries with a fixed electrolyte, which produces consistently recurring full charging of both electrode polarities even under cyclic loading, includes a first charging stage which proceeds at a constant current of the magnitude of a four-hour to eight-hour current until a temperature-dependent charging voltage is reached, a second charging stage which then continues at this temperature-dependent charging voltage for a limited time, and which is continuously adjusted to the battery's temperature, and a third charging stage which is again time-limited and which constitutes a secondary charging which proceeds according to an I/V characteristic curve with an initial charging current limited to between 0.05 and 0.5 times a ten-hour current and a battery voltage which is limited to between 2% and 8% above the temperature-dependent charging voltage.

REFERENCES:
patent: 3854082 (1974-12-01), Nasby et al.
patent: 3864617 (1975-02-01), Smith et al.
patent: 4061956 (1977-12-01), Brown et al.
patent: 4125802 (1978-11-01), Godard
patent: 4270080 (1981-05-01), Kostecki
patent: 4609861 (1986-09-01), Inaniwa et al.

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