H - Electricity – 02 – J
Patent
H - Electricity
02
J
320/9
H02J 7/10 (2006.01) H01M 10/44 (2006.01) H02J 7/00 (2006.01)
Patent
CA 1298613
Abstract of the Disclosure 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.
578315
Fetherstonhaugh & Co.
Varta Batterie Aktiengesellschaft
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