Silicon diode looping element for protecting a battery cell

Details Silicon diode looping element for protecting a battery cell Silicon diode looping element for protecting a battery cell

1985-12-04

1987-12-15

Salce, Patrick R.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

320 6, 320 18, 361124, H02J 700

Patent

active

047135972

ABSTRACT:
A special silicon diode is disclosed which is shunted across each cell in a series connected string of battery cells. In response to a cell failure which causes a cell to open circuit, all battery current is routed through the diode looping element. This current causes a permanent state change of the looping element thereby causing the looping element to become a permanent short circuit. Thus, the failed cell is effectively removed from the circuit.

REFERENCES:
patent: 2624033 (1952-12-01), Jacquier
patent: 3102222 (1963-09-01), Harmer
patent: 3148322 (1964-10-01), Booe et al.
patent: 3393355 (1968-07-01), Whoriskey et al.
patent: 3402325 (1968-10-01), Minks
patent: 3476979 (1969-11-01), Stumpe et al.
patent: 4303877 (1981-12-01), Meinhold
Motorola, "Silicon Rectifier Handbook: Engineers' Guide to Silicon Rectifier Applications", p. 10-1.

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