• 1 Faculty of Mechanics and Energy – Ukrainian State University of Railway Transport, Ukraine
  • 2 Electrical Engineering Faculty – National Technical University «Kharkiv Polytechnic Institute», Ukraine


In modern industry self-powered devices are an important component. For such devices, the most important component is the energy storage device used, most often based on lithium-ion technology. The article presents an equivalent circuits of lithium-ion batteries and a mathematical description of charge-discharge processes. Investigated in Matlab / SimPowerSystems built-in library component of lithium-ion battery. Mathematical models of equivalent circuits of different types of lithium-ionic batteries have been analyzed.



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