Method and apparatus for electroacoustic battery sonication
First Claim
1. A method of rehabilitating a discharged battery, said battery comprising at least two battery plates separated by an electrically non-conductive separator, said method comprising the steps:
- applying a sonication signal to decrease metallic shorting between said at least two battery plates, said sonication signal being an electrical signal applied relative to said battery plates and of frequency selected to establish a resonant condition within said battery.
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Abstract
Electroacoustic battery sonication rehabilitates a battery by decreasing metallic shorting across battery elements through sonication. Sonication may be produced by application of an electrical signal of selected frequency to the terminals of a battery, thereby establishing a resonant condition within the battery. Alternately, sonication may be provided by transducers placed within a battery and receiving a drive signal of selected frequency to establish a resonant condition within the battery. By removing metallic shorting, e.g., lead hydrates in the case of a lead acid battery, undesirable electrical conduction between battery plates diminishes and battery charging efficiency and capacity increase.
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Citations
10 Claims
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1. A method of rehabilitating a discharged battery, said battery comprising at least two battery plates separated by an electrically non-conductive separator, said method comprising the steps:
applying a sonication signal to decrease metallic shorting between said at least two battery plates, said sonication signal being an electrical signal applied relative to said battery plates and of frequency selected to establish a resonant condition within said battery. - View Dependent Claims (2, 3, 4, 5)
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6. An apparatus for battery rehabilitation, said battery having given resonate characteristics, said battery including at least two adjacent battery plates, a separator element, and first and second battery terminals, said apparatus comprising:
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frequency generating circuitry, said frequency generating circuitry providing a sonication signal operating at a frequency selected to produce sonication within said battery, said frequency being selected as a function of said given resonate characteristics of said battery; and coupling means applying said sonication signal to said battery to produce said sonication within said battery. - View Dependent Claims (7, 8, 9)
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10. A method of battery rehabilitation relative to a given battery, said given battery having resonate characteristics, the method comprising the steps:
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charging said battery; applying a sonication signal to said battery concurrent with said charging step, said sonication signal operating at a frequency selected as a function of said resonant characteristics of said battery and to produce sonication within said battery.
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Specification