Self discharge of batteries at high temperatures

Details Self discharge of batteries at high temperatures Self discharge of batteries at high temperatures

1997-12-12

2000-02-15

Wong, Peter S.

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

Regulated discharging

320112, H02J 700

Patent

active

060256990

ABSTRACT:
A rechargeable battery pack that includes a temperature monitoring circuit a rechargeable battery, and a discharge circuit, advantageously provides a battery pack which senses when the battery pack is exposed to a harmful temperature and cause the discharge circuit to discharge electricity stored in the battery until the battery's charge level is reduced to a safe level for the particular temperature. The rechargeable battery has a positive terminal and a negative terminal. The discharge circuit is coupled to the rechargeable battery. A controller is coupled to the discharge circuit. The temperature monitoring circuit is coupled to the controller and measures a temperature of the battery, providing a temperature indication to the controller. The controller causes the discharge circuit to discharge electricity from the battery based upon the temperature indication.

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