Ultrafast rechargeable battery pack and method of charging same

Details Ultrafast rechargeable battery pack and method of charging same Ultrafast rechargeable battery pack and method of charging same

1995-01-23

1996-11-19

Nguyen, Matthew V.

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

With discharge of cells or batteries

370 35, 370 12, 361 38, H01M 1044, H02J 704

Patent

active

055766129

ABSTRACT:
A battery pack (10) includes at least one battery cell (16) and a current interrupt device (18) adapted to protect said cells from damage during charging or discharge. The battery pack (10) is further adapted to be recharged at extremely fast recharge rates via the use of a bypass switch (20) which allows current to be diverted around current interrupt device (18) during recharge. The bypass switch (20) is controlled by a control circuit (22) which provides a control signal and response to sensing a charge current.

REFERENCES:
patent: 3497794 (1970-02-01), Fredrickson et al.
patent: 3525033 (1970-08-01), Greenberg et al.
patent: 3831081 (1974-08-01), Weiss
patent: 3961208 (1976-06-01), Khanna
patent: 4027228 (1977-05-01), Collins
patent: 5146150 (1992-09-01), Gyenes et al.
patent: 5420451 (1995-05-01), Williams et al.
patent: 5471128 (1995-11-01), Patino et al.
Raychem, "Protection of Batteries With PolySwitch Devices".

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