Abstract:
A device for generating electric energy includes at least one heated heat-conducting main body, at least one projection and thermoelectric elements laterally attached to the at least one projection. A thermoelectric efficiency of each thermoelectric element and a heat output of the at least one projection are matched to each other.
Abstract:
A device for producing electrical energy from the exhaust gas of an internal combustion engine, includes a generator with an exhaust gas inlet connection, an exhaust gas outlet connection and at least one heat exchange section therebetween. At least one flow diversion and/or flow division is provided between the exhaust gas inlet connection and the heat exchange section. The heat exchange section has a plurality of flow paths perpendicular to the exhaust gas inlet connection, to be assigned to a plurality of heat exchange units. At least a portion of the heat exchange assembly has at least one thermoelectric element and a cooling device. The at least one thermoelectric element is captively connected to the cooling device. A motor vehicle having the device is also provided.
Abstract:
A module for a thermoelectric generator includes first and second ends, at least one inner tube and one outer tube disposed around the outside of the inner tube and at least one thermoelectric element disposed between the inner and outer tubes. The inner and outer tubes are each electrically insulated from the at least one thermoelectric element. At least one electrically conductive first contact is provided on each of the first and second ends, for electrically conductively connecting the at least one thermoelectric element to an electrical conductor. The module can conduct a fluid or coolant flow through the module from the first end to the second end. An electrical conductor, a thermoelectric generator, a motor vehicle and a method for producing a module, are also provided.
Abstract:
A thermoelectric device includes at least one first flow duct, at least one second flow duct, at least one first carrier layer associated with the at least one first flow duct and at least one second carrier layer associated with the at least one second flow duct, at least one intermediate space between the first carrier layer and the second carrier layer and a plurality of p and n-doped semiconductor elements disposed in the at least one intermediate space and electrically interconnected. A relative first thermal expansion of the first carrier layer and a relative second expansion of the second carrier layer are equal under operating conditions. Suitable materials are provided for the first and second carrier layers that promote the use of such thermoelectric devices in exhaust systems of a motor vehicle. A motor vehicle having thermoelectric devices and a method for manufacturing a thermoelectric device are also provided.
Abstract:
A thermoelectric generator includes a plurality of thermoelectric devices, through which an exhaust gas of an internal combustion engine flows in succession. Each thermoelectric device forms at least one hot flow path for the exhaust gas and at least one cold flow path for a coolant. A plurality of p-doped and n-doped insulated semiconductor elements are connected in a targeted manner between the flow paths. At least part of the semiconductor elements in at least one of the thermoelectric devices are fixed to a flexible medium.
Abstract:
A thermoelectric device or thermoelectric generator (TEG) includes at least one exhaust line having an inlet and an outlet. At least one first tube bundle is a thermoelectric generator module and has tubes with outer surfaces forming the exhaust line in the thermoelectric generator module. At least one further tube bundle is a heat exchanger and has tubes with inner surfaces forming the exhaust line in the heat exchanger. A method for operating a thermoelectric device and a motor vehicle having a thermoelectric device are also provided.
Abstract:
A thermoelectric device contains at least one module having a first carrier layer and a second carrier layer, an interspace disposed between the first carrier layer and the second carrier layer, and an electrical insulation layer disposed on each of the first carrier layer and on the second carrier layer toward the interspace. The thermoelectric device further has a plurality of p and n-doped semiconductor elements, which are arranged alternately in the interspace between the insulation layers and are alternately electrically connected to one another.
Abstract:
A thermoelectric material contains fibers and a method for producing a thermoelectric material uses fibers. The fibers, in this case, in particular, perform the function of influencing thermal conductivity, electrical conductivity, tensile strength and/or extensibility of the thermoelectric material. The thermoelectric material is used, in particular, in thermoelectric generators which are used, for example, in motor vehicles for converting thermal energy from the exhaust gas into electrical energy.
Abstract:
A device and a method for producing electrical energy from an exhaust gas of an internal combustion engine include a generator with an exhaust gas inlet, an exhaust gas outlet and a heat exchange portion therebetween. The heat exchange portion includes a plurality of flow paths for the exhaust gas. The flow paths are at least partially surrounded by thermoelectric elements which are in thermally conductive communication with a cooling device on a side facing away from the flow path. A motor vehicle having the device or carrying out the method, is also provided.
Abstract:
A component of an exhaust gas system for an internal combustion engine includes at least one housing with an inlet and an outlet for an exhaust gas and at least one inflow and one outflow for a medium. The component has a heat exchanger around which the exhaust gas can flow. The heat exchanger has a first thermal mass and a catalytic converter body through which the exhaust gas can flow. The catalytic converter body has a second thermal mass. A motor vehicle having a component and a method for operating a component, are also provided.