Chargeable battery temperature estimation apparatus and chargeable battery temperature estimation method
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United States of America Patent
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Sep 12, 2023
Grant Date -
May 4, 2023
app pub date -
Dec 22, 2022
filing date -
Dec 27, 2017
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Abstract
A chargeable battery temperature estimation apparatus estimating an internal temperature of a chargeable battery includes a processor performing when executing the instructions stored in a memory: acquiring a detected current value output from a current sensor configured to detect a current flowing in the chargeable battery; calculating a heating value on the basis of the detected current value, the heating value estimating heat generated inside the chargeable battery; acquiring a detected external temperature value output from a temperature sensor configured to detect an external temperature of the chargeable battery; estimating the internal temperature of the chargeable battery based on the calculated heating value and the detected temperature value; and outputting the estimated internal temperature.
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