Voltage recovery method for a zinc-air battery
First Claim
1. A method of recovering and restoring the voltage in a zinc-air battery when the voltage has fallen below a first predefined threshold, the method comprising the steps of:
- (a) decoupling essentially all loads from the zinc-air battery and permitting the voltage to stabilize;
(b) sampling the voltage to determine if the voltage of the zinc-air battery is below a second predefined threshold;
(c) starting a timer and determining if the voltage has recovered to at least a third predefined threshold prior to the timing out of the timer; and
(d) periodically sampling the voltage to determine if the voltage has recovered to a voltage above a fourth predefined threshold for a sustained period of time, the periodic sampling being done if the zinc-air battery fell below the first predefined threshold but did not fall below the second predefined threshold, and upon determination that the voltage of the zinc-air battery has recovered to above the fourth predefined threshold, coupling the loads, previously decoupled from the battery, back to the battery.
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Accused Products
Abstract
A method of recovering and restoring the voltage in a zinc-air battery that has dropped below a first threshold. The method includes the steps of decoupling essentially all loads from the zinc-air battery and permitting the voltage to stabilize, sampling the voltage to determine if the voltage of the zinc-air battery is below a second predefined threshold, starting a timer and determining if the voltage has recovered to at least a third predefined threshold prior to the timing out of the timer, and periodically sampling the voltage to determine if the voltage has recovered to a voltage above a fourth predefined threshold for a sustained period of time, the periodic sampling being done if the zinc-air battery fell below the first predefined threshold but did not fall below the second predefined threshold, and upon determination that the voltage of the zinc-air battery has recovered to above the fourth predefined threshold, coupling the loads, previously decoupled from the battery, back to the battery.
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Citations
6 Claims
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1. A method of recovering and restoring the voltage in a zinc-air battery when the voltage has fallen below a first predefined threshold, the method comprising the steps of:
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(a) decoupling essentially all loads from the zinc-air battery and permitting the voltage to stabilize; (b) sampling the voltage to determine if the voltage of the zinc-air battery is below a second predefined threshold; (c) starting a timer and determining if the voltage has recovered to at least a third predefined threshold prior to the timing out of the timer; and (d) periodically sampling the voltage to determine if the voltage has recovered to a voltage above a fourth predefined threshold for a sustained period of time, the periodic sampling being done if the zinc-air battery fell below the first predefined threshold but did not fall below the second predefined threshold, and upon determination that the voltage of the zinc-air battery has recovered to above the fourth predefined threshold, coupling the loads, previously decoupled from the battery, back to the battery. - View Dependent Claims (2, 3, 4, 5)
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6. A method of recovering and restoring the voltage in a zinc-air battery when the voltage has fallen below a first predefined threshold, the method comprising the steps of:
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(a) decoupling essentially all loads from the zinc-air battery and permitting the voltage to stabilize; (b) sampling the voltage to determine if the voltage of the zinc-air battery is below a second predefined threshold; (c) starting a timer and determining if the voltage has recovered to at least a third predefined threshold prior to the timing out of the timer; and (d) if the voltage sampled in step (b) was not below the second predefined threshold, periodically sampling the voltage to determine if the voltage has recovered to a voltage above a fourth predefined threshold for a sustained period of time, the periodic sampling being done if the zinc-air battery fell below the first predefined threshold but did not fall below the second predefined threshold, and upon determination that the voltage of the zinc-air battery has recovered to above the fourth predefined threshold, coupling the loads, previously decoupled from the battery, back to the battery.
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Specification