System and method to determine the state of charge of a battery using magnetostriction to detect magnetic response of battery material
First Claim
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1. A method comprising:
- providing a battery;
producing a first magnetic field of a known constant strength so that a second magnetic field is induced in the battery;
sensing a net magnetic field resulting from the interaction of the first magnetic field and the second magnetic field;
utilizing the sensed net magnetic field to determine or estimate the state of charge of the battery.
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Abstract
One exemplary embodiment includes a method including providing a battery, producing a first magnetic field so that a second magnetic field is induced in the battery, sensing a magnetic field resulting from the interaction of the first magnetic field and the second magnetic field, utilizing the sensed net magnetic field to determine the state of charge of the battery.
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Citations
20 Claims
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1. A method comprising:
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providing a battery; producing a first magnetic field of a known constant strength so that a second magnetic field is induced in the battery; sensing a net magnetic field resulting from the interaction of the first magnetic field and the second magnetic field; utilizing the sensed net magnetic field to determine or estimate the state of charge of the battery. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A method comprising:
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providing a battery; producing a first magnetic field of a known constant strength so that a second magnetic field is induced in the battery; sensing a net magnetic field resulting from the interaction of the first magnetic field and the second magnetic field; correlating the sensed net magnetic field to the state of charge of the battery.
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15. A product comprising:
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a battery; means for producing a first magnetic field of a known constant strength so that a second magnetic field is induced in the battery; means for sensing a net magnetic field resulting from the interaction of the first magnetic field and the second magnetic field; means for determining or estimating the state of charge of the battery by utilizing the sensed net magnetic field. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification