Charging and discharging control device for secondary battery

Details Charging and discharging control device for secondary battery Charging and discharging control device for secondary battery

1995-03-15

1997-05-20

Wong, Peter S.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 39, 320 48, H01M 1046

Patent

active

056315333

ABSTRACT:
A charging and discharging control device for a secondary battery includes a secondary battery, a controller, a charging unit for charging the battery, a ON/OFF switch between the battery and the charging unit and a control switch for controlling the discharge current. At charging the battery, the ON/OFF switch is turned on and a voltage Ve of the secondary battery is compared with a charge stop voltage Vmax by the controller. If Ve.gtoreq.Vmax, the charging operation is ended. At discharging, the control is turned on and the voltage Ve is compared with a discharge stop voltage Vmin. If Ve.ltoreq.Vmin, the discharging operation is ended. Corresponding to charging/discharging history of the battery, the controller corrects the voltage Vmin so as to be increased and the voltage Vmax so as to be decreased, whereby the life span of the secondary battery can be extended.

REFERENCES:
patent: 5371682 (1994-12-01), Levine et al.
patent: 5394089 (1995-02-01), Clegg

Affiliated with

Also associated with

Rating

Charging and discharging control device for secondary battery does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Charging and discharging control device for secondary battery, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Charging and discharging control device for secondary battery will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1726243