DETERIORATION DEGREE ESTIMATION DEVICE AND DETERIORATION DEGREE ESTIMATION METHOD

An internal resistance detection unit for detecting the internal resistance of the battery; a deterioration management unit for managing at least one of a battery cycle deterioration and a battery storage deterioration; and a deterioration degree estimation unit for estimating, on the basis of the i...

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Bibliographische Detailangaben
Hauptverfasser:	SAKAI, Kenichi, SHIMOSAWA, Hironobu, SHIRATSUCHI, Tomoyuki, HOSAKA, Kenji
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:	An internal resistance detection unit for detecting the internal resistance of the battery; a deterioration management unit for managing at least one of a battery cycle deterioration and a battery storage deterioration; and a deterioration degree estimation unit for estimating, on the basis of the increase rate of the internal resistance, the deterioration degree of the battery as the estimated deterioration degree are provided, wherein the deterioration degree estimation unit causes the estimated deterioration degree to be smaller as the cycle deterioration becomes larger, if the deterioration management unit is managing the cycle deterioration, and causes the estimated deterioration degree to be larger as the storage deterioration becomes larger, if the deterioration management unit is managing the storage deterioration.