Abstract: A heat-insulated tank is provided for use as a reservoir for an operating agent of a drive assembly of a motor vehicle, particularly a heat-insulated cryotank for condensed gases. The tank consists at least of an interior tank for receiving a condensed gas, which interior tank is held in a heat-insulated manner in at least one exterior tank, which can be closed by a lid. At least one valve, a sensor, and/or a conduit connecting piece with pertaining conduits are accommodated in the insulation space, in the area of the lid between the interior tank and the exterior tank, fixedly connected with the lid.

Abstract: A container for use as a storage device for a substance for operating a drive assembly of a motor vehicle is provided, in particular for a cryotank for condensed gases. At least one inner container receives the substance for operation. The inner container is held in at least one outer container, where at least parts of the inner container and/or the outer container are made of plastic, and these container parts have at least in part a coating or a metal inlay. The container is characterized by the fact that the outer side of the inner container has a full-surface metal or ceramic coating.