DEVICE AND METHOD FOR DIAGNOSING STATE OF BATTERY

An apparatus for diagnosing a state of a battery according to an embodiment of the present disclosure includes a profile obtaining unit configured to obtain a plurality of differential profiles representing a corresponding relationship between a differential capacity representing a change rate of a...

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Bibliographische Detailangaben
1. Verfasser:	LIM, Bo-Mi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY TESTING
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Beschreibung
Zusammenfassung:	An apparatus for diagnosing a state of a battery according to an embodiment of the present disclosure includes a profile obtaining unit configured to obtain a plurality of differential profiles representing a corresponding relationship between a differential capacity representing a change rate of a capacity of a battery with respect to a voltage of the battery and the voltage; a peak determining unit configured to determine a target peak located in a predetermined voltage section in each of the plurality of differential profiles; and a state diagnosing unit configured to compare the voltage of a plurality of target peaks determined by the peak determining unit with a voltage of a reference peak preset to correspond to each of the plurality of target peaks, and diagnose a state of the battery based on the voltage comparison result.