Battery cell state-of-health estimation method
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United States of America Patent
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Sep 12, 2017
Grant Date -
Sep 17, 2015
app pub date -
Mar 16, 2015
filing date -
Mar 17, 2014
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Abstract
A method of determining the state of health of a first elementary cell of a battery, including the steps of: measuring the voltage across the cell under a reference current at a plurality of times in a phase of cell charge or discharge between first and second state-of-charge levels; and detecting a crossing by the voltage of a predetermined specific value, corresponding to a predetermined specific charge value of the cell.
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