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Lithium secondary battery deterioration detection method and deterioration suppression method, deterioration detector and deterioration suppressor, battery pack and charger using the same
Lithium secondary battery deterioration detection method and deterioration suppression method, deterioration detector and deterioration suppressor, battery pack and charger using the same
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机译:锂二次电池劣化检测方法及劣化抑制方法,劣化检测器及劣化抑制器,使用其的电池组及充电器
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摘要
According to a deterioration detecting method for rechargeable lithium batteries, battery voltages of a rechargeable lithium battery before and after the completion of charging or discharging are measured. An evaluation value is calculated based on the measured battery voltages. This evaluation value is compared with a reference value of the rechargeable lithium battery stored in advance. A deterioration level of the rechargeable lithium battery is estimated based on this comparison result. In addition, further deterioration can be suppressed by controlling charging and discharging of the rechargeable lithium battery based on the estimated deterioration level.
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