The invention relates to a battery system (1) for a motor vehicle (2), comprising: a battery (3) for providing electrical energy for the motor vehicle (2), the battery having a first converter (4) for converting a direct current of the battery (3) into an alternating current and a first coil (5) for producing an alternating magnetic field for transmitting energy to the motor vehicle (2); and a second coil (7) for receiving energy from the first coil (5), which second coil can be arranged on the motor vehicle (2) and can be electrically coupled to a vehicle electrical system (6) of the motor vehicle (2). The first coil (5) is wound around a first coil core (8) and the second coil (7) is wound around a second coil core (9), the first coil core (8) having a first contact region (10) for mechanically coupling to a second contact region (11) of the second coil core (9) in order to produce a joint coil core. The invention further relates to a motor vehicle (2).

Method for producing an automotive panel with the steps of (a) providing a first extrudate of polycarbonate and additives (mixture A), and providing endless filament glass rovings (Component C), (b) feeding mixture A, and component C into the main extruder, and forming a final extrudate, (d) compression moulding the final extrudate into an automotive panel whereby a second mixture of polycarbonate and a short length glass fibers (mixture B) is fed together with mixture A and component C.

A drive unit includes: a rotating electric machine having a rotation axis extending in a horizontal direction; a rotating electric machine case; and a power conversion device. The power conversion device is arranged on one side of the rotating electric machine in an orthogonal direction. The power conversion device includes a first connector to which a first electric power line through which electric power supplied to the rotating electric machine and electric power supplied from the rotating electric machine flow are connected. The first connector is provided on a first end side and is arranged to protrude from the power conversion device at a predetermined angle in a direction away from the rotating electric machine in the orthogonal direction, as the first connector goes away from the power conversion device in the rotation axis direction, when viewed from above.

A vehicle body lower structure may comprise: a rocker arranged at a lower lateral part of a vehicle body; a power supply package arranged under a floor panel of the vehicle; a first energy absorbing member fixed to a lateral side of the power supply package; and a second energy absorbing member being adjacent to the first energy absorbing member in a vehicle-width direction of the vehicle body, the second energy absorbing member being located outside the first energy absorbing member in the vehicle-width direction of the vehicle body. The first energy absorbing member may include a first protrusion protruding outward in the vehicle-width direction, the second energy absorbing member may include a second protrusion protruding inward in the vehicle-width direction, and the first protrusion and the second protrusion may overlap each other as seen along an up-down direction and are fixed together to the rocker by a bolt.

A vehicle body lower structure may include: a hollow rocker arranged at a lower lateral part of a vehicle body and extending along a front-rear direction of the vehicle body; a power source arranged adjacent to the rocker; an energy absorbing member connected to the power source and arranged under the rocker; and a collar arranged between the rocker and the energy absorbing member. The rocker may be provided with a flange extending downward from a bottom plate of the rocker. A height of the collar above the energy absorbing member may be greater than a height of the flange.

Land vehicles and methods of operating land vehicles are disclosed. A land vehicle includes a frame structure, a plurality of wheels, and a plurality of electric motors. The frame structure includes a front cage that at least partially defines an operator cabin and a rear compartment positioned rearward of the front cage in a longitudinal direction. The plurality of wheels are supported by the frame structure. The plurality of wheels includes a pair of front wheels and a pair of rear wheels positioned rearward of the pair of front wheels in the longitudinal direction.

A battery pack includes battery modules provided with a heatsink; a pack housing including a floor panel having an upper surface on which the battery modules are placed and a lower surface in which coolant channels for supplying and discharging a coolant to/from the heatsink of the battery modules, and a base plate disposed below the floor panel in a layered form; and a coolant supply pipe for selectively communicating with the coolant channels, coupled to an upper surface of the floor panel and disposed along a right side line of the floor panel; and a coolant discharge pipe for selectively communicating with the coolant channels, coupled to the upper surface of the floor panel and disposed along a left side line of the floor panel, with the coolant channels have a lower end fixedly coupled to the base plate.

An example vehicle frame disclosed herein includes a convex surface to face the ground when the vehicle frame is in a first operating position and face away from the ground when the vehicle frame is in a second operating position, the vehicle frame rotatable about a longitudinal axis of the vehicle frame between the first and second operating positions, and a concave surface opposite the convex surface, the concave surface to face away from the ground when the vehicle frame is in the first operating position and face the ground when the vehicle frame is in the second operating position.

The present invention provides an electric vehicle platform according to an embodiment of the present invention. The electric vehicle platform includes two side frames extending from front wheels to rear wheels of a vehicle, a plurality of support frames connecting the side frames, a driving motor disposed between two front wheels or between two rear wheels, a battery configured to supply power to the driving motor, a controller configured to control the driving motor and the battery, and a cover assembly connected to the side frames and the support frames so as to cover the driving motor, the battery, and the controller. Here, the cover assembly is divided into a first area defined above the front wheels, a second area defined between the front wheels and the rear wheels, a third area covering the battery and the controller, and a fourth area defined above the rear wheels.

Methods and systems for an electric vehicle (EV) propulsion are provided. A method for operating an EV propulsion system is provided, in one example, that includes, while a traction battery assembly generates electric power, initiating start-up of a hydrogen fuel cell assembly based on a first battery state of charge (SOC) threshold and a first hydrogen fuel storage threshold to transition into a hybrid mode of operation. In the propulsion system, the traction battery assembly includes one or more traction batteries that are electrically coupled to one or more hydrogen fuel cells in the hydrogen fuel cell assembly via a distribution assembly, where the distribution assembly is electrically coupled to a traction motor.