Electricity: battery or capacitor charging or discharging – Serially connected batteries or cells – With discharge of cells or batteries
Patent
1996-02-06
1997-08-05
Tso, Edward
Electricity: battery or capacitor charging or discharging
Serially connected batteries or cells
With discharge of cells or batteries
320 39, H01M 1044, H01M 1046
Patent
active
056546220
ABSTRACT:
A secondary battery is connected to a protecting circuit. The protecting circuit interrupts charging of the secondary battery when the battery voltage of the secondary battery reaches a first protecting voltage which is higher than a first voltage, the first voltage being the full charge voltage of the secondary battery. After constant current charging of the secondary battery, the secondary battery is charged until the battery voltage of the secondary battery becomes higher than the first protecting voltage for achieving rapid charging of the secondary battery. When the secondary battery is charged in this condition, the protecting voltage of the protecting circuit is changed over to a second protecting voltage which is higher than the first protecting voltage for this preventing the protecting circuit from operating.
REFERENCES:
patent: 5237259 (1993-08-01), Sampei
patent: 5291117 (1994-03-01), Rydborn
patent: 5307000 (1994-04-01), Podrazhansky et al.
patent: 5329218 (1994-07-01), Rydborn
patent: 5475294 (1995-12-01), Isoda
patent: 5550453 (1996-08-01), Bohne et al.
Mino Takayuki
Toya Shoichi
Sanyo Electric Co,. Ltd.
Tso Edward
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