Transcription of Equivalent-Circuit Cell Models
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ECE4710/5710: Modeling, Simulation, and Identification ofBattery Dynamics2 1 Equivalent-Circuit Cell : Open-circuit voltage and state of charge We begin our study of battery Models by building up behavioral/phenomenological analogs using common circuit elements. The resulting equivalent circuit Models will be helpful in getting afeel for how cells respond to different usage scenarios, andareadequate for some application design as well. Ultimately, however, we will need a deeper physical understanding ofhow the cells work. The rest of the course will focus on voltage (OCV) We start with the simplest possible model. An ideal battery ismodeled as an ideal voltage source. In this model, Voltage is not a function of current, Voltage is not a function of past usage, Voltage is constant.
Equivalent-Circuit Cell Models 2.1: Open-circuit voltage and state of charge We begin our study of battery models by building up behavioral/ phenomenological analogs using common circuit elements. The resulting “equivalent circuit” models will be helpful in getting a feel for how cells respond to different usage scenarios, and are
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