DEVICE AND METHOD FOR DETERMINING A POWER STATUS ACCORDING TO DATA FROM THE PROCESSING METHOD

摘要

Method for determining the state of energy of an electrochemical accumulator, characterized in that it comprises the following steps: using a predetermined set of quadruplets of values relating to operating points of the electrochemical accumulator, reading (E101) a first state of energy SOE1 from a memory, measuring (E102) a temperature (T1), and a power (P1), representing the current operation of the accumulator, determining (E103), on the basis of the predetermined set of quadruplets, a slope of the remaining energy En in the accumulator as a function of the state of energy SOE of the accumulator, at a point representing the first state of energy SOE1, as a function of the measured temperature and measured power (T1, P1), determining (E104) a second state of energy SOE2 as a function of the determined slope, notably  En  SOE   or    SOE  En , of the first state of energy SOE1, and an energy quantity (P·dt).