Open Circuit Voltage of Lithium-ion batteries for energy storage in DC microgrids

Federico Baronti, Roberto Saletti, Walter Zamboni
2015 2015 IEEE First International Conference on DC Microgrids (ICDCM)  
Rechargeable batteries, particularly Lithium-ion ones, are emerging as a solution for energy storage in DC microgrids. This paper reviews the issues faced in the characterization of the Open Circuit Voltage (OCV) of a Lithium-ion battery, starting from the problem of OCV measurement and ending with the modeling of OCV hysteresis. An accurate OCV modeling is necessary for a reliable estimation of the internal battery states, such as State-of-Charge and State-of-Health. These state variables are
more » ... seful for a better control and a more efficient utilization of the energy storage system in the microgrid. We also compare with experiments two models that account for the hysteresis in Lithium-Iron-Phosphate batteries.
doi:10.1109/icdcm.2015.7152066 fatcat:j7tltseyfrfajljg3ztskdx5wu