Rechargeable battery system having intelligent temperature contr

Details Rechargeable battery system having intelligent temperature contr Rechargeable battery system having intelligent temperature contr

1996-12-05

1998-08-18

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

With nonbattery electrical component electrically connected...

429 62, 429120, 320 35, 340636, H01M 1050

Patent

active

057956642

ABSTRACT:
A rechargeable battery system utilizes intelligent temperature control to enhance and optimize battery cell capacity and performance in low and high temperature environments. A temperature varying element (heating and/or cooling) modifies the temperature of battery cells utilizing an amount of energy that is less than that gained by making such temperature modification. A control circuit optimally control the temperature varying element to maximize battery operation. The control circuit also utilizes the temperature varying element to prevent cell damage in extreme conditions. A battery pack contains a plurality of cells also houses the control circuit, the temperature varying element and a temperature sensor. At least a portion of the control circuit and temperature varying element may alternately be located within a portable electronic device. A second temperature sensor may be added to monitor ambient temperature, and Insulating material may be used in the construction of the battery pack housing.

REFERENCES:
patent: 5362942 (1994-11-01), Vanderslice, Jr. et al.
patent: 5411816 (1995-05-01), Patino
patent: 5480734 (1996-01-01), Schulz et al.
patent: 5508126 (1996-04-01), Braun

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