Method and arrangement for charging a sealed, secondary electroc

Details Method and arrangement for charging a sealed, secondary electroc Method and arrangement for charging a sealed, secondary electroc

1987-01-29

1988-11-01

Salce, Patrick R.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 2, 429 72, H02J 716

Patent

active

047822791

ABSTRACT:
A method for charging a sealed, secondary electrochemical power source having with a water based electrolyte (20), a gas space (20) and the possibility of recombination in accordance with the oxygen cycle during pressure stabilization at a low controlled level. Charging takes place at a constant d.c. voltage whilst the pressure inside the gas space of the power source is reduced by evacuation. An arrangement for implementing the method consists essentially of a vacuum pump which is connected to the gas space of the power source via an evacuation line, and of a constant d.c. voltage source. The vacuum pump is so arranged as to come into operation when the power source is being charged.

REFERENCES:
patent: 2862986 (1958-12-01), Strauss
patent: 3393094 (1968-07-01), Stanimirovitch
patent: 3502504 (1970-03-01), White
patent: 3584285 (1971-06-01), Goodkin et al.
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patent: 4436795 (1984-03-01), Cooper et al.
Alkaline Storage Batteries, S. Uno Falk & Alvin J. Salkind, John Wiley & Sons, Inc., NY, 1969, pp. 392-418.
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Effects of Oxygen Partial Pressure on Fuel Cell Cathodes, A. J. Hartner, M. A. Vertes, V. E. Medina, & H. G. Oswin, Lessona Moos Laboratories, Great Neck, NY, pp. 141-152, 1964.

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