METHOD OF DETECTING BATTERY DEGRADATION LEVEL
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Abstract
The method of detecting battery degradation level detects the change in residual capacity (ΔSOC) for one charging period or one discharging period of a battery 1 being charged and discharged. Weighting factors that establish degradation level according to the value of ΔSOC are pre-stored in memory, and based on the stored data; weighting factors are determined from the detected ΔSOC to determine the battery 1 degradation level from the weighting factors.
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22 Claims
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1-11. -11. (canceled)
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12. A method of detecting battery degradation level, the method comprising:
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detecting a Δ
SOC being a residual capacity change for one charging period or one discharging period of a battery being charged and discharged;determining a weighting factors that establish degradation level according to the value of Δ
SOC, the weighting factors being pre-stored in memory; anddetecting the battery degradation level from the weighting factors. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification