BATTERY MONITORING DEVICE AND BATTERY MANAGEMENT SYSTEM

A battery monitoring device monitors a battery. The battery monitoring device includes a deterioration detection unit (37, 38) that detects a physical quantity having a higher correlation with a capacity deterioration of the battery than a voltage and a current of the battery, and a capacity ratio e...

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Bibliographische Detailangaben
Hauptverfasser:	SHIMIZU, Satoru, ONO, Kazuyuki, MAWATARI, Kazuaki, KAWABATA, Kumiko, MATSUI, Hiroshige
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 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 battery monitoring device monitors a battery. The battery monitoring device includes a deterioration detection unit (37, 38) that detects a physical quantity having a higher correlation with a capacity deterioration of the battery than a voltage and a current of the battery, and a capacity ratio estimation unit (542) that estimates a capacity ratio of the battery based on the physical quantity.