METHOD FOR OPERATING A BATTERY SYSTEM

The present invention relates to a method for operating a battery system (1) with a plurality of cells (10), a battery system, a vehicle comprising such a battery system (1) and a computer program element for operating such a battery system (1).The method for operating a battery system (1) comprises monitoring a state of health of each of the plurality of cells (10), detecting at least one malfunctioning cell, analysing the state of health of the malfunctioning cell, limiting a discharge power over a time period if the malfunctioning cell has a worst state of health in the battery system or limiting a charge power over a time period if the malfunctioning cell has a best state of health in the battery system, and reducing a minimum state of charge of the battery system over the time period.