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MONITORING ELECTROLYTE CONCENTRATIONS IN REDOX FLOW BATTERY SYSTEMS

United States Patent Application

20150155727
A1
View the Complete Application at the US Patent & Trademark Office
Methods, systems and structures for monitoring, managing electrolyte concentrations in redox flow batteries are provided by introducing a first quantity of a liquid electrolyte into a first chamber of a test cell and introducing a second quantity of the liquid electrolyte into a second chamber of the test cell. The method further provides for measuring a voltage of the test cell, measuring an elapsed time from the test cell reaching a first voltage until the test cell reaches a second voltage; and determining a degree of imbalance of the liquid electrolyte based on the elapsed time.
Chang, On Kok (San Jose, CA), Sopchak, David Andrew (Oakland, CA), Pham, Ai Quoc (Milpitas, CA), Kinoshita, Kimio (Cupertino, CA)
14/ 612,544
February 3, 2015
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH [0002] Inventions included in this patent application were made with Government support under DE-OE0000225 "Recovery Act--Flow Battery Solution for Smart Grid Renewable Energy Applications" awarded by the US Department of Energy (DOE). The Government has certain rights in these inventions.