RECHARGEABLE BATTERY EVALUATION DEVICE, RECHARGEABLE BATTERY EVALUATION METHOD, AND RECHARGEABLE BATTERY EVALUATION SYSTEM

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RECHARGEABLE BATTERY EVALUATION DEVICE, RECHARGEABLE BATTERY EVALUATION METHOD, AND RECHARGEABLE BATTERY EVALUATION SYSTEM

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YAMAMOTO TAKAHIRO / KOIWA KAORU / HATANO HISAAKI / FUJIWARA KENICHI / MARUCHI KOHEI / TAKAZAWA KOJI / ISOZAKI YOSHIYUKI / EGUSA SHUN / MORITA TOMOKAZU

Abstract

There is provided a rechargeable battery evaluation device including: a charging controller configured to switch charging current of a rechargeable battery being charged with first current to second current; and a first state estimator configured to estimate a state of the rechargeable battery based on a feature of change in at least one of a voltage and a charging amount of the rechargeable battery due to switching from the charging current to the second current.

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Title :

RECHARGEABLE BATTERY EVALUATION DEVICE, RECHARGEABLE BATTERY EVALUATION METHOD, AND RECHARGEABLE BATTERY EVALUATION SYSTEM

Contributors:

YAMAMOTO TAKAHIRO (author) / KOIWA KAORU (author) / HATANO HISAAKI (author) / FUJIWARA KENICHI (author) / MARUCHI KOHEI (author) / TAKAZAWA KOJI (author) / ISOZAKI YOSHIYUKI (author) / EGUSA SHUN (author) / MORITA TOMOKAZU (author)

Publication date :

2021-06-17

Type of media :

Patent

Type of material :

Electronic Resource

Language :

English

Classification :

IPC:

B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung