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The geometry of the semiconductor pellets (i.e., the number of them and their height) within thermoelectric modules (TEMs) operating in generation mode is optimized in order to maximize either their performance (i.e., output power) or their conversion efficiency for a specified performance. This is accomplished for a specified resistive load on a TEM as a function of its effective footprint, i.e.,...
This work deals with the design and a prototype implementation of a maximum power point tracker (MPPT) for a thermoelectric (TE) module aiming to improve energy conversion efficiency in battery charging. This system uses TE devices that directly convert heat energy from a water gas heater to electricity to charge a battery. The TE module exhibits a non-linear I-V characteristic and its maximum power...
The characterization of three commercial thermoelectric modules, designed for cooling/heating applications, is presented in order to employ the devices for power conversion, i.e as thermoelectric generators (TEG). The thermoelectric theory is briefly described at first, also taking into account the relationship between effective temperature difference across the TEG junctions and temperature difference...
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