RECHARGEABLE BATTERY EVALUATION DEVICE, RECHARGEABLE BATTERY EVALUATION METHOD, AND RECHARGEABLE BATTERY EVALUATION SYSTEM
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United States of America Patent
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Jun 17, 2021
app pub date -
Feb 26, 2021
filing date -
Sep 6, 2019
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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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