METHODS AND APPARATUS FOR BATTERY TESTING
First Claim
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1. A method for determining a state of an electrochemical battery, the method comprising:
- exposing an electrode of the electrochemical battery to an electromagnetic excitation field;
measuring magnetism induced in the electrode by the electromagnetic excitation field; and
determining the state of the electrochemical battery based at least in part on the measured induced magnetism.
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Abstract
Methods and apparatus for testing electrical storage batteries monitor magnetic susceptibility of components of the storage batteries. In some embodiments, magnetic susceptibility of a plate in a lead-acid battery is determined to provide an indication of the state of charge of the battery.
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Citations
20 Claims
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1. A method for determining a state of an electrochemical battery, the method comprising:
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exposing an electrode of the electrochemical battery to an electromagnetic excitation field; measuring magnetism induced in the electrode by the electromagnetic excitation field; and determining the state of the electrochemical battery based at least in part on the measured induced magnetism. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. Apparatus for determining a state of an electrochemical battery, the apparatus comprising:
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an excitation field generator configured to apply an electromagnetic excitation field to an electrode of the electrochemical battery; a magnetic field detector positionable to determine an induced magnetization induced in the electrode by the excitation field; and
,a controller configured to determine the state of the electrochemical battery based at least in part on the induced magnetization. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification