DEVICE AND METHOD FOR CONVERTING AND STORING ENERGY FOR A VEHICLE AND VEHICLE FITTED WITH SUCH A DEVICE

A device for converting and storing energy for a vehicle (1) comprises a compressed air unit (17) for compressing air (30) into compressed air (31), and a compressed air storage tank connected to the compressed air unit (17) via a compressed air line (18) for storing the compressed air (31), wherein the compressed air storage tank is formed by at least one vehicle component.