Electrical energy storage device for use in motor car, has storage management system connected to on-board electrical power supply and controlling exchange of electrical power among energy storage parts and power supply

摘要

The device (10) has an electrical energy storage part (12) firmly connected with an on-board electrical power supply (14) of a motor car. An additional electrical energy storage part (16) is designed as a changeable extension module and connected with the power supply. The additional electrical energy storage comprises a plug-in connection terminal. A storage management system (28) is connected to the power supply in such a manner that the system controls exchange of electrical power among the electrical energy storage part, the additional electrical energy storage part and the power supply.