BATTERY MANAGEMENT APPARATUS

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United States of America Patent

APP PUB NO 20240085488A1
SERIAL NO

18450729

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A battery management apparatus includes a battery, a storage device, and a controller. The controller includes at least one processor and at least one memory coupled to the processor. Output maps corresponding to deterioration levels are preliminarily stored in the storage device. In each output map, a maximum value of electric power outputtable from the battery is associated with a state-of-charge and a temperature of the battery. Each deterioration level is an indicator indicating a degree of deterioration of the battery. The processor is configured to: derive, as an estimate resistance value, an estimate value of internal resistance of the battery; derive the deterioration level at a derivation point of the estimate resistance value based on the estimate resistance value; determine an output map corresponding to the derived deterioration level from the output maps; and control the electric power to be output from the battery based on the output map.

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Patent Owner(s)

Patent OwnerAddress
SUBARU CORPORATIONTOKYO 150-8554

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
WAKABAYASHI, Kenta Tokyo, JP 12 0

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