Battery charging/discharging apparatus with serial battery conne

Details Battery charging/discharging apparatus with serial battery conne Battery charging/discharging apparatus with serial battery conne

1994-09-15

1998-05-05

Tso, Edward

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 7, 320 16, H01M 1046

Patent

active

057479666

ABSTRACT:
A battery charging/discharging apparatus has batteries, a charger, diodes and switches. The diodes are respectively connected in parallel with the batteries. The cathode of each diode is connected to the positive side of the corresponding battery and the anode of each diode is connected in the negative side of the corresponding battery. The batteries are discharged in a serial connection. The switches change the connection of the batteries to cause a parallel connection of the batteries to charge the batteries and to cause a serial connection to discharge the batteries. The apparatus can continue the charging/discharging of batteries even when one of the batteries fails.

REFERENCES:
patent: 4139812 (1979-02-01), Huggins
patent: 4713597 (1987-12-01), Altmejd
patent: 4719401 (1988-01-01), Altmejd
patent: 4869975 (1989-09-01), Eppley et al.
patent: 5177425 (1993-01-01), Goto

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