BATTERY PACK SYSTEM AND ENERGY STORAGE SYSTEM

Application of a high voltage to a battery cell in which a current is cut off without using a DC/DC converter is suppressed. A battery pack system 10 includes a plurality of basic battery units 60 in which a plurality of battery cells 41 charged by a current supplied from a power supply are connecte...

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Bibliographische Detailangaben
Hauptverfasser:	ITO, Tomomichi, HATAKEYAMA, Tomoyuki, YAMAUCHI, Shin
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS GENERATION PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY SYSTEMS FOR STORING ELECTRIC ENERGY
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Beschreibung
Zusammenfassung:	Application of a high voltage to a battery cell in which a current is cut off without using a DC/DC converter is suppressed. A battery pack system 10 includes a plurality of basic battery units 60 in which a plurality of battery cells 41 charged by a current supplied from a power supply are connected in series, and one or a plurality of battery groups 61 in which the plurality of basic battery units 60 are connected in parallel, each of the plurality of battery cells 41 includes a current cutoff means that cuts off a current flowing between electrodes of the battery cells 41, and a series number of the plurality of battery cells 41 connected in series of the basic battery unit 60 is determined based on a parallel number of the basic battery units 60, a current It supplied from the power supply, and a resistance component R of the battery cell 41.