Method, apparatus, storage medium and terminal device for estimating battery capacity

A method for estimating a battery capacity includes: determining the measurement voltage of the battery before charging or discharging, the electric charge change of the battery during charging or discharging and the measurement voltage the battery after charging or discharging; Obtaining the correl...

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Bibliographische Detailangaben
Hauptverfasser:	WONG, Kai Ming, LEUNG, Yiu Wa, LAM, Kwun Yu
Format:	Patent
Sprache:	eng
Schlagworte:	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 SYSTEMS FOR STORING ELECTRIC ENERGY TESTING
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Beschreibung
Zusammenfassung:	A method for estimating a battery capacity includes: determining the measurement voltage of the battery before charging or discharging, the electric charge change of the battery during charging or discharging and the measurement voltage the battery after charging or discharging; Obtaining the correlation data between the voltage and the electric charge of the battery; Updating the correlation data according to the measurement voltage of the battery before charging or discharging, the measurement voltage of the battery after charging or discharging, the electric charge change, and the correlation data; and determining the battery capacity according to the updated correlation data. The invention can update the correlation data between the voltage and charge of the battery and in turn determine the battery capacity, so that the battery capacity can be determined precisely in the course of its life cycle even as the battery ages.