Method for rejuvenating ni-h_ batteries

Details Method for rejuvenating ni-h_ batteries Method for rejuvenating ni-h_ batteries

H - Electricity

01

M

319/120

H01M 2/12 (2006.01) H01M 10/34 (2006.01) H01M 10/44 (2006.01)

Patent

CA 2007672

11 ABSTRACT OF THE DISCLOSURE A method for rejuvenating Ni-H2 battery cells suffering a voltage anomaly providing an improved cell output voltage and capacity. After the battery containing the cells suffering the voltage anomaly is removed from service, the battery is discharged. Discharging the battery reduces the hydrogen pressure within the cells, thereby increasing the rate of mass transport of free water back to the electrode stacks of the cells. The cells are then left to stand for a period sufficient to allow any free water to diffuse back to the electrode stacks.

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