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SECONDARY BATTERY MANAGEMENT

United States Patent Application

20170222447
A1
View the Complete Application at the US Patent & Trademark Office
A method of managing a battery system, the battery system including at least one battery cell, at least one sensor configured to measure at least one characteristic of the battery cell, and a battery management system including a microprocessor and a memory, the method comprising receiving by the battery management system, from the at least one sensor at least one measured characteristic of the battery cell at a first time and at least one measured characteristic of the battery cell at a second time. The battery management system estimating, at least one state of the battery cell by applying a physics-based battery model, the physics based battery model being based on differential algebraic equations; and regulating by the battery management system, at least one of charging or discharging of the battery cell based on the at least one estimated state.
Ravi, Nikhil (Mountain View, CA), MirTabatabaei, Anahita (San Francisco, CA), Klein, Reinhardt (Mountain View, CA), Krupadanam, Ashish (Cupertino, CA), Christensen, John F. (Elk Grove, CA), Kojic, Aleksandar (Sunnyale, CA), Stewart, Sarah (San Francisco, CA), Kim, Sun Ung (Fremont, CA), Johnston, Christina (Mountain View, CA)
15/ 010,873
January 29, 2016
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH [0001] This invention was made with government support under ARPA-E Award Number DE-AR0000278 awarded by the U. S. Department of Energy. The U. S. government has certain rights in the invention.