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Accurate estimation of SOC is the crucial factor to ensure safe operation of a battery. Current estimation methods are derived based on electric equivalent circuit models that do not take into account dependences of SOC on lithium concentrations, temperature, and other electrochemical phenomena. A new model for a Li-polymer battery was developed based on a 1D electrochemical microcell model. This...
A two dimensional model for a single cell is developed by connecting one dimensional electrochemical micro cell models by current collectors. The model is capable of representing terminal behavior along with internal physical variables that include temperature, potentials and ion flows. However, the model is very computational intensive and needs to be reduced for implementation into real time applications...
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