Brooks Kushman P.C.
Circuit and method for detection of battery cell degradation events
A battery management system for a vehicle includes a controller configured to, in response to a rate of change of voltage during discharge of a battery cell exceeding a first threshold more than a predetermined number of times over a predefined duration, output an error signal, and in response to the rate of change exceeding a second threshold greater than the first, output the error signal.
Ford Global Technologies, LLC
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Joseph F. Satish B. Benjamin A. Yonghua
Freiman Chikkannanavar Tabatowski-Bush Li