Abstract : An automotive thermoelectric generator (ATEG) is a device that utilizes the Seebeck effect in order to recover lost heat from an internal combustion engine powered vehicle, and generate electricity with it.



A typical ATEG consists of four main elements: A hot-side heat exchanger, a cold-side heat exchanger, thermoelectric materials, and compression assembly system.

ATEGs can be classified according to their hot-side heat exchanger to exhaust-based ATEGs and coolant-based ATEGs. The first type converts the heat lost in the IC engine exhaust, while the second type converts the heat lost in the engine coolant, into electricity.

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