Performance Results of a High-Power-Density Thermoelectric Generator: Beyond the Couple
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This paper describes the development of a high-power-density thermoelectric generator (TEG) with a power output of greater than 100 W. Previous papers have described the development of the generator made of high-power-density TE couples. In this discussion, initial thermal cycling results for the TE couples are described. The building blocks are then scaled and integrated into a complete TEG. The design, build, and test of the TEG are discussed. The high-power-density design produces power at greater than 250 W/L and 80 W/kg. Test results are shown for varying flow rates, temperatures, and electrical loads.
KeywordsThermoelectric power generation waste heat recovery high power density
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