RECOVERY OF SEALED NICKEL-CADMIUM STORAGE BATTERY CAPACITY Russian patent published in 2015 - IPC H01M10/54 H01M10/44 

FIELD: electrical engineering.

SUBSTANCE: invention relates to electrical engineering and can be used for recovery of storage battery capacity under negative ambient temperatures. invention aims at accelerating the capacity recovery and increasing the service life. For this, storage battery is pre-discharged to 0-0.5 V and charged to maximum magnitude. Prior to charging, battery voltage is measured and compared with preset value to control residual capacity to be discharged at load element. Note here that battery charging is carried out only at positive temperatures. For this, storage battery is placed into heat-insulated container. If temperature in container is negative or under required positive temperature electric heater built in said container is used to up the temperature to required level. The latter is controlled by temperature detector. Thereafter, battery is charged with charge current amplitude kept at 0.5-1.0 of rated capacity magnitude.

EFFECT: improved charging.

1 dwg