TRAILER VEHICLE HAVING AN ELECTRIC DRIVE AND COMBINATION INCLUDING THE TRAILER VEHICLE, AND METHOD FOR OPERATING THE TRAILER VEHICLE

A trailer vehicle, in particular a semi-trailer, for a towing vehicle has an electric drive, and the electric drive includes at least one electric motor for driving at least one wheel of the trailer vehicle and an energy store for supplying the electric motor. The energy store stores energy of more than 250 kWh or more than 500 kWh, preferably more than 750 kWh or more than 1000 kWh. A combination vehicle can include the trailer vehicle and a method is for operating a trailer vehicle.