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Method of estimating state of charge and remaining usage time of rechargeable battery
Method of estimating state of charge and remaining usage time of rechargeable battery
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机译:估算充电电池的充电状态和剩余使用时间的方法
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摘要
Disclosed is a method of estimating the state of charge of a rechargeable lithium battery. The first step of said method is to determine whether the battery is in an equilibrium state or in a non-equilibrium state. If the battery is determined to be in an equilibrium state, the voltage across the battery is measured and converted into an equilibrium state-of-charge value. If the battery is in a non-equilibrium state, the charge withdrawn from or supplied to the battery is calculated by means of current integration, and this charge is subtracted from or added to a state-of-charge value calculated earlier.Also disclosed is a method of estimating the time that an application can be used under predefined conditions.
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