Method of charging a lithium storage cell having a carbone anode

Details Method of charging a lithium storage cell having a carbone anode Method of charging a lithium storage cell having a carbone anode

1996-02-23

1997-02-18

Wong, Peter S.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 27, 320 39, H01M 1044

Patent

active

056044186

ABSTRACT:
The present invention provides a method of charging a carbon-anode lithium storage cell, which method comprises a first step in which a constant current is imposed and during which the voltage across said storage cell is allowed to increase until it reaches a reference value, and then a second step in which said reference voltage is imposed and said current decreases. The method of the invention is characterized in that, at each instant, said reference voltage is equal to the sum of the end-of-charge voltage of the cell plus the product of the current multiplied by the ohmic resistance of the cell.

REFERENCES:
patent: 4667143 (1987-05-01), Cooper et al.
patent: 4876513 (1989-10-01), Brilmyer et al.
patent: 5119001 (1992-06-01), Lambert
patent: 5148096 (1992-09-01), Denzinger
patent: 5179335 (1993-01-01), Nor
patent: 5408170 (1995-04-01), Umetsu et al.

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