CORRECTION METHOD FOR ESTIMATED STATE-OF-CHARGE VALUE OF ENERGY STORAGE DEVICE, MANAGEMENT APPARATUS FOR ENERGY STORAGE DEVICE, AND ENERGY STORAGE APPARATUS

A correction method for an estimated state-of-charge (SOC) value of a battery cell 12 estimated by a current integration method, the method including: a charge step of a battery cell 12; a determination step of determining a correction value of the estimated value based on an amount of electricity c...

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Bibliographische Detailangaben
Hauptverfasser:	Shiraishi, Takeyuki, Narimoto, Satoru
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY TESTING
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Beschreibung
Zusammenfassung:	A correction method for an estimated state-of-charge (SOC) value of a battery cell 12 estimated by a current integration method, the method including: a charge step of a battery cell 12; a determination step of determining a correction value of the estimated value based on an amount of electricity charged during a period from a start of charge of the battery cell 12 to a decrease in a current value of a charge current to a predetermined threshold I_thr; and a correction step of correcting the estimated value based on the correction value determined in the determination step.