Abstract: A battery system, including a plurality of battery cells stacked along a stacking direction, and at least one cooling plate arranged between two adjacent battery cells of the plurality of battery cells along the stacking direction, wherein the cooling plate includes a chamber for cooling liquid with a deformation structure configured to transfer compressive forces along the stacking direction between opposite sides of the cooling plate facing the adjacent battery cells, and wherein the deformation structure is configured to equalize compressive forces caused by length deviations of the plurality of battery cells along the stacking direction through deformation of at least a portion of the deformation structure at a substantially constant force over a given displacement.

Abstract: The present disclosure refers to a battery module with battery cells and cooling plates arranged between the battery cells. A plurality of telescopic cooling connectors may be provided, each interconnected with an adjacent telescopic cooling connector along at least one side of the battery cells to form a fluid-connected cooling path, and which are respectively fluid-connected with a corresponding cooling plate.

Abstract: A battery system includes battery cells arranged along a stacking axis to form a cell stack, a cell stack frame accommodating the cell stack, and an end plate at an end of cell stack frame. The end plate includes a plate element in contact with the cell stack and deformation structures extending from opposite sides of the plate element substantially parallel to the stacking axis. Each deformation structure includes a first compression portion and a first extension portion connected in series and overlapping each other in a direction perpendicular to the stacking axis. The end plate, in an assembled position, is supported by the cell stack frame such that the first compression portion is compressed, the first extension portion is extended, and the plate element exerts a pressure onto the cell stack.

Abstract: A battery pack according to one or more embodiments of the present disclosure includes a plurality of battery cells; and a housing including a bottom member, a plurality of side walls, and a top member, the bottom member, the plurality of side walls, and the top member form an interior accommodation space configured to accommodate the plurality of battery cells, wherein at least one among the plurality side walls, the top member, and the bottom member are formed by a plurality of metal sheets that are roll bonded to each other, wherein at least one cooling channel is formed between bonding areas of the plurality of metal sheets, and wherein at least one crash channel is formed between bonding areas of the plurality of the metal sheets.

Abstract: A battery module includes a plurality of battery cells, and a frame including a bottom member and a plurality of side walls, the bottom member and the plurality of side walls forming an interior accommodation space configured to accommodate the plurality of battery cells, wherein at least two side walls opposite from each other among the plurality of side walls are bent and extend from the bottom member, wherein the at least two side walls and the bottom member are formed by a plate including a first metal sheet on an inner side of the plate and a second metal sheet on an outer side of the plate roll-bonded to each other, and wherein the plate further includes at least one cooling channel formed between bonding areas of the first metal sheet and the second metal sheet.

Abstract: A battery unit includes a plurality of battery cells; a frame including a bottom member and a plurality of side walls, the bottom member and the plurality of side walls forming an interior accommodation space configured to accommodate the plurality of battery cells; and a top cover member fixed to the frame and including: a first metal sheet on an inner side of the top cover member; a second metal sheet on an outer side of the top cover member, the first and second metal sheets being roll-bonded to each other; and at least one cooling channel between bonding areas of the first metal sheet and the second metal sheet.

Abstract: A battery module includes battery cells; and a frame including a bottom member, side walls, and at least two top flap portions, which form a space for accommodating the battery cells, wherein at least two side walls are bent and extended from the bottom member, wherein the at least two top flap portions are bent and extended from the at least two side walls to extend towards each other, wherein the at least two side walls, the at least two top flap portions, and the bottom member are formed by a plate including a first metal sheet on an inner side of the plate and a second metal sheet on an outer side of the plate, and wherein the plate further includes at least one cooling channel in at least one of the at least two side walls.

Abstract: A battery system includes: a cell stack including a plurality of arranged battery cells; and a cell stack frame accommodating the cell stack; and a deformable end spacer. The cell stack frame includes an end plate exerting pressure onto the cell stack, and the deformable end space is arranged between the cell stack and the end plate to be compressed by the pressure exerted by the end plate. The deformable end spacer includes: parallel plate elements; and a metal foam and/or a metal honeycomb structure arranged between the plate elements. The plate elements have a different material composition than the metal foam and/or the metal honeycomb structure, the metal foam is an aluminum foam and/or the metal honeycomb structure is an aluminum honeycomb structure, and the plate elements are steel plate elements.

Abstract: A battery system including: a cell stack including a plurality of battery cells arranged along a stacking axis; and a cell stack frame accommodating the cell stack. The cell stack frame includes frame walls and an end plate, and the frame walls include second interlocking elements. The end plate includes: first interlocking elements at opposite lateral sides of the end plate, the first interlocking elements being configured to interlock with the second interlocking elements of the frame walls in a fixture position of the end plate and for establishing a snap fit connection between the end plate and the frame walls such that the end plate exerts pressure onto the cell stack; a plate element facing the cell stack that, in the fixture position, exerts pressure onto the cell stack; and lateral wall elements extending from the plate element in a direction away from the cell stack.

Abstract: A battery system includes: a cell stack including a plurality of battery cells; and a cell stack frame accommodating the cell stack. The cell stack frame includes a deformable end plate including a base portion and a Belleville spring portion extending from the base portion towards the cell stack that exerts pressure onto the cell stack.

Abstract: A battery system includes: a cell stack including a plurality of battery cells arranged along a stacking axis; and a cell stack frame accommodating the cell stack. The cell stack frame includes: a displaceable end plate including a plate element facing the cell stack and mounting elements at opposite sides of the plate element. The plate element is mounted to side walls of the cell stack frame via the mounting elements. Each of the mounting elements is connected to the plate element via a plurality of deformable arms configured to allow displacement of the plate element along the stacking axis, and the plate element, under a deformation of the deformable arms, exerts pressure onto the cell stack.

Abstract: A motor assembly including an annulus gear including an annulus gear body having a hollow cylindrical form, and a plurality of annulus gear teeth disposed on an inner surface of the annulus gear body; at least one first outrunner motor disposed in an interior of the annulus gear, the at least one first motor being arranged to drive the annulus gear; a carrier disposed at least partially in the interior of the annulus gear, the carrier including a plurality of carrier gears rotationally connected to the carrier body, the carrier gears being engaged with the annulus gear; a center gear disposed in the interior of the annulus gear, the carrier gears being engaged with the center gear; and at least one second outrunner motor disposed in the interior of the annulus gear, the at least one second motor being arranged to drive the center gear.

Abstract: A motor assembly including an annulus gear including an annulus gear body having a hollow cylindrical form, and a plurality of annulus gear teeth disposed on an inner surface of the annulus gear body; at least one first outrunner motor disposed in an interior of the annulus gear, the at least one first motor being arranged to drive the annulus gear; a carrier disposed at least partially in the interior of the annulus gear, the carrier including a plurality of carrier gears rotationally connected to the carrier body, the carrier gears being engaged with the annulus gear; a center gear disposed in the interior of the annulus gear, the carrier gears being engaged with the center gear; and at least one second outrunner motor disposed in the interior of the annulus gear, the at least one second motor being arranged to drive the center gear.

Abstract: A vehicle having a longitudinal engine and permanent rear axle drive is proposed, which vehicle has an internal combustion engine and an electric machine, a transfer gearbox distributing drive torques as required to two drive axles, the transfer gearbox having three shafts, a main shaft serving as a drive shaft of the rear axle, a secondary shaft serving as a drive shaft for the front axle, and an intermediate shaft applying a torque, a shifting unit being installed between the reduction gear-box and the power summation gearbox.

Abstract: A vehicle having a longitudinal engine and permanent rear axle drive is proposed, which vehicle has an internal combustion engine and an electric machine, a transfer gearbox distributing drive torques as required to two drive axles, the transfer gearbox having three shafts, a main shaft serving as a drive shaft of the rear axle, a secondary shaft serving as a drive shaft for the front axle, and an intermediate shaft applying a torque, a shifting unit being installed between the reduction gear-box and the power summation gearbox.