ASSEMBLY OF ELECTRICAL ENERGY STORAGE CELLS OR ELECTRICAL POWER GENERATION CELLS COMPRISING A CELL MANAGEMENT CIRCUIT

• Main Authors: OUKASSI, Sami, SECOUARD, Christophe, DESPESSE, Ghislain
• Format: Patent
• Language: English; French; German
• Published: 09.08.2023
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

An assembly able to deliver an output current, includes N electrical energy storage or production cells of rank i, where N≥2, being able to supply a maximum current Imax,i at all times t; a management circuit for managing the electrical energy storage or production cells, wherein, with the cells being classed according to their rank i in decreasing priority of use, the management circuit comprises means for addressing at least the cell of rank 1 or the cells according to their rank i and according to the following criteria: the cell of rank 1 is addressed on its own as long as it is able to supply the output current Is<Imax1; the cell of rank 1 is addressed with additionally a number k of cells that are addressed successively according to their rank i, so as to supply the current Is at all times in discharge mode, the number k being such that 2<k≤N and meeting the following conditions:Σi=1k−1Imax,i<Is and Σi=1kImax,i≥Is