Device for controlling the charging of rechargeable batteries

Details Device for controlling the charging of rechargeable batteries Device for controlling the charging of rechargeable batteries

1988-02-16

1989-03-28

Hickey, R. J.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 2, 338308, H02J 704, H01C 1012, H01M 1044

Patent

active

048167371

ABSTRACT:
A device for contolling the charging of rechargeable batteries comprises two temperature sensors deposited on a flexible thin thermally and electrically insulating sheet. The thin sheet is disposed around the rechargeable battery so that one of the sensors determines the temperature of the battery and the other sensor determines the ambient temperature. A charge stopping device stops the charging of the battery when the difference between the temperatures determined by the two sensors has reached a predetermined value. The sensors consist of resistors applied by silk screen printing and disposed in a Wheatstone bridge arrangement.

REFERENCES:
patent: 3477055 (1969-11-01), Herbst et al.
patent: 3601679 (1971-08-01), Braun et al.
patent: 3917990 (1975-11-01), Sherman, Jr.
patent: 4282507 (1981-08-01), Tindall et al.
patent: 4370606 (1983-01-01), Kakumoto et al.
patent: 4727006 (1988-02-01), Malinowski et al.

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