PROTECTION APPARATUS FOR SECONDARY BATTERY

A battery pack includes a secondary battery; and a protection device including: a measurement unit coupled to the secondary battery and configured to measure a temperature and a voltage of the secondary battery; a temperature estimation unit coupled to the measurement unit and configured to estimate...

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Bibliographische Detailangaben
Hauptverfasser:	LEE YONG-DAI, OMAGARI MASAMI, SIM SE-SUB, KIM JIN-WAN, SEGAWA SUSUMU
Format:	Patent
Sprache:	eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	A battery pack includes a secondary battery; and a protection device including: a measurement unit coupled to the secondary battery and configured to measure a temperature and a voltage of the secondary battery; a temperature estimation unit coupled to the measurement unit and configured to estimate a future temperature of the secondary battery; and a charging/discharging unit coupled to the secondary battery and configured to adjust a current or an input voltage applied to the secondary battery based on the future temperature and the voltage of the secondary battery.