DEVICE FOR ESTIMATING DEGREE OF BATTERY DEGRADATION, AND ESTIMATION METHOD

DEVICE FOR ESTIMATING DEGREE OF BATTERY DEGRADATION, AND ESTIMATION METHOD

A device for estimating the degree of degradation of a battery is provided with: a storage degradation degree estimation unit for estimating the degree of degradation of the battery due to storage during re-use, on the basis of information pertaining to the degree of degradation of the battery while...

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Hauptverfasser: MATSUYAMA CHIZURU, HOSAKA KENJI
Format: Patent
Sprache:chi ; eng
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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creator MATSUYAMA CHIZURU
HOSAKA KENJI
description A device for estimating the degree of degradation of a battery is provided with: a storage degradation degree estimation unit for estimating the degree of degradation of the battery due to storage during re-use, on the basis of information pertaining to the degree of degradation of the battery while mounted in a vehicle, and on the basis of load information for the battery during re-use; a cycle degradation degree estimation unit for estimating the degree of degradation of the battery due to cycling during re-use, on the basis of the load information for the battery during re-use; and a capacity calculation unit for calculating the total degree of degradation for the point in time at which battery re-use is started. The battery degradation degree estimation device is further provided witha total degradation degree detection unit for estimating the total degree of degradation of the battery after the start of re-use, on the basis of the degree of degradation due to storage during re-use, the degree of degradat
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subjects 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
title DEVICE FOR ESTIMATING DEGREE OF BATTERY DEGRADATION, AND ESTIMATION METHOD
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