Method and apparatus for regenerating primary cells

Details Method and apparatus for regenerating primary cells Method and apparatus for regenerating primary cells

1996-12-27

1998-03-24

Tso, Edward

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 21, H01M 1044, H01M 1046

Patent

active

057316848

ABSTRACT:
In a method and apparatus for regenerating a primary cell, voltage pulses of a predetermined amplitude and a predetermined duration in the range of 10.sup.-3 to 2.times.10.sup.-3 seconds are applied to the primary cell at a frequency of 2 Hz to 200 Hz whereby primary cells which cannot be recharged can be reconditioned for a greatly extended life. The apparatus includes a switching device with a low voltage input connected to a low resistance DC voltage source, an output delivering a sequence of voltage pulses to a primary cell, and a timing generator for timing the switching device.

REFERENCES:
patent: 4935688 (1990-06-01), Mistry et al.
patent: 5463304 (1995-10-01), Winters
patent: 5543701 (1996-08-01), Leung et al.

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