Method and apparatus for detecting state of battery
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United States of America Patent
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Apr 28, 2020
Grant Date -
Dec 28, 2017
app pub date -
Jun 9, 2017
filing date -
Jun 23, 2016
priority date (Note) -
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Abstract
A method of detecting a state of charge of a battery, can include: obtaining an open circuit voltage in a present cycle according to an open circuit voltage of a previous cycle, a battery internal resistance of the previous cycle, and a battery capacitance of the previous cycle, where the battery internal resistance and the battery capacitance are updated according to the state of charge of the battery; and determining the state of charge of the battery according to the open circuit voltage in the present cycle.
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