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This paper describes experimental results aiming at analyzing lithiumion batteries performances with aging, for different state of charge and temperatures. The results are provided from electrochemical impedance spectroscopy (EIS) measurements on new and aged cells. A climatic test chamber is used during experiments to simulate the conditions of the temperature. Experimental data are plotted over...
High penetration of Plug-in Hybrid Electric Vehicles (PHEV) are expected in the near future. Battery state information is essential in protecting the PHEV battery from harmful charging/discharging, and in optimal battery management. With accurate battery relaxation effect model, the battery νoc (open circuit voltage) can be obtained from direct measurements on the battery's terminal voltage and load...
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