System and method for pressure determination in a Li-ion battery
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United States of America Patent
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Oct 14, 2014
Grant Date -
Nov 11, 2010
app pub date -
May 8, 2009
filing date -
May 8, 2009
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Abstract
An electrochemical battery system in one embodiment includes a first electrode, a second electrode spaced apart from the first electrode, a separator positioned between the first electrode and the second electrode, an active material within the second electrode, a pressure sensor in fluid connection with the second electrode, a memory in which command instructions are stored, and a processor configured to execute the command instructions to obtain a pressure signal from the pressure sensor associated with the pressure within the second electrode, and to identify a state of charge of the electrochemical battery system based upon the pressure signal.
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