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RELAXATION MODEL IN REAL-TIME ESTIMATION OF STATE-OF-CHARGE IN LITHIUM POLYMER BATTERIES

United States Patent Application

20140350875
A1
View the Complete Application at the US Patent & Trademark Office
Relaxation time constants give valuable information about a lithium polymer battery cell's state-of-charge. Moreover, determination of these time constants can be performed in real time by fitting exponential functions to transient voltage or current patterns.
Mullin, Scott Allen (San Leandro, CA), Aumentado, Albert (El Cerrito, CA), Singh, Mohit (Berkeley, CA)
13/ 940,176
July 11, 2013
STATEMENT OF GOVERNMENT SUPPORT [0002] The invention described and claimed herein was made in part utilizing funds supplied by the U.S. Department of Energy under Contract No. DE-EE0005449. The Government has certain rights in this invention.