Cell protection apparatus and method for a battery cell system

Details Cell protection apparatus and method for a battery cell system Cell protection apparatus and method for a battery cell system

1991-04-12

1991-12-24

DeBoer, Todd E.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific quantity comparison means

320 40, H02H 318

Patent

active

050758136

ABSTRACT:
Reverse current to a battery cell is prevented without using a diode for preventing the reverse current. The reverse current protection is obtained by detecting the terminal voltage across the cell, and by opening a switching means connected to the cell when the terminal voltage of the cell increases more than a predetermined voltage value. The predetermined voltage value is determined in accordance with the I/V characteristics of the cell.

REFERENCES:
patent: 3348117 (1967-10-01), Houden
patent: 4090227 (1978-05-01), Schweitzer
patent: 4559486 (1985-12-01), Spencer et al.
patent: 4763014 (1988-08-01), Model et al.

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