CURRENT BREAKING METHOD FOR RECHARGEABLE BATTERY AND BATTERY PACK USING THE SAME
First Claim
1. A current breaking method of rechargeable battery, the method comprising:
- (a) measuring a current value when a current flows through a high current path of a rechargeable battery;
(b) measuring a duration time of the current flowing through the high current path;
(c) setting a permission time for which the current is permitted to flow according to a magnitude of the measured current value; and
(d) interrupting the current flowing through the high current path when the duration time of the current exceeds the permission time.
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Abstract
A current breaking method of a rechargeable battery and a battery pack using the same. The current breaking method includes: measuring a current value of a current flowing through a high current path of a rechargeable battery; measuring a duration time of the current flowing through the high current path; setting a permission time for which the current is permitted to flow; and interrupting the current flow when the duration time exceeds the permission time. Thus, the timing for interrupting the current flowing through the high current path of the rechargeable battery is accurately calculated, thereby preventing overheating and explosion of the rechargeable battery.
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Citations
18 Claims
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1. A current breaking method of rechargeable battery, the method comprising:
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(a) measuring a current value when a current flows through a high current path of a rechargeable battery; (b) measuring a duration time of the current flowing through the high current path; (c) setting a permission time for which the current is permitted to flow according to a magnitude of the measured current value; and (d) interrupting the current flowing through the high current path when the duration time of the current exceeds the permission time. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A battery pack comprising:
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a rechargeable battery; a charge/discharge switching device electrically coupled to a high current path of the rechargeable battery; and a controller electrically coupled to the charge/discharge switching device for turning on/off the charge/discharge switching device, and the controller electrically coupled to the high current path of the rechargeable battery for measuring a current value of a current flowing through the high current path and interrupting the current flowing through the high current path when a time interval corresponding to the measured current value elapses. - View Dependent Claims (13, 14, 15, 16, 17, 18)
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Specification