APPARATUS FOR DIAGNOSING STATE OF BATTERY
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United States of America
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Issued Date -
Apr 10, 2025
app pub date -
Feb 9, 2024
filing date -
Feb 9, 2024
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Abstract
An embodiment apparatus for diagnosing a state of a battery pack includes a voltage sensor configured to measure a voltage of each battery cell of the battery pack, a temperature sensor configured to measure a temperature of each battery cell, and a controller configured to perform cell balancing on each battery cell, discharge the battery pack at a preset current, and diagnose the state of the battery pack based on the temperature and the voltage of each battery cell in response to the voltage of the battery pack reaching a cutoff voltage.
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