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Online estimation of the state of charge and state of health of a vanadium redox flow battery
Title: Online estimation of the state of charge and state of health of a vanadium redox flow battery.
Authors: Alejandro Clemente, Manuel Montiel, Félix Barreras, Antonio Lozano, Bryan Escachx and Ramon Costa-Castelló.
Abstract: This study presents an online algorithm capable to simultaneously estimate the state of charge and state of health of a vanadium redox flow battery. Starting from a general electrochemical model, some order reductions are carried out considering different conservation laws. Based on these low-order models, the observer is designed considering the terminal voltage of the battery. This observer is firstly analyzed using numerical tools. Secondly, an experimental validation is carried out with real data provided by a vanadium redox flow battery stack, consisting on current and voltage measurements.
