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Secondary battery resistance factor determination method, charging output estimation apparatus and method using the resistance factor
Secondary battery resistance factor determination method, charging output estimation apparatus and method using the resistance factor
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机译:二次电池电阻系数确定方法,充电输出估计装置以及使用该电阻系数的方法
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摘要
A resistance factor determining method of a secondary battery according to the present disclosure determines, when the secondary battery has a certain temperature and state of charge, a primary differential value regarding a charge initial I-V profile calculated from a current value at a point of intersection at which a charge final I-V profile according to changes in magnitude of the charging current meets a boundary line set to a charge upper limit as the resistance factor corresponding to the temperature and state of charge. Further, a charge power estimating apparatus and method according to the present disclosure estimates a charge power corresponding to the temperature and state of charge of the secondary battery while the secondary battery is being charged using the resistance factor pre-defined according to the state of charge and temperature of the secondary battery.
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