Method and device for determining the state of function of an energy storage battery
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United States of America Patent
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Apr 26, 2005
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app pub date -
Mar 7, 2003
filing date -
Mar 9, 2002
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Abstract
In a method for determining the state of function SOF of an energy storage battery, in particular a starter battery for a motor vehicle, as the capability to supply at least one load with an amount of energy, by determining a characteristic value for the state of charge SOC of the energy storage battery and a characteristic value for the state of health SOH when an electrical load is applied to the energy storage battery, with state of health (SOH) being the suitability of the energy storage battery to emit a specific amount of energy to the at least one load while maintaining a minimum voltage, a characteristic value for the state of function (SOF) is determined by linking the characteristic values for the state of charge (SOC) and for the state of health (SOH).
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