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Andrew Muto, Jian Yang, Bed Poudel, Zhifeng Ren and Gang Chen Skutterudite Unicouple Characterization for Energy Harvesting Applications Advanced Energy Materials 3

Version of Record online: 24 SEP 2012 | DOI: 10.1002/aenm.201200503

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The effective figure of merit, ZTeff, and the efficiency of skutterudite legs and a unicouple working under a large temperature difference are reported. CoSi2 is used as the electrode for the n-type skutterudite (Yb0.35Co4Sb12), and Co2Si is used for the p-type skutterudite (NdFe3.5Co0.5Sb12). The efficiency of the p–n unicouple was determined to be 9.1%, operating between ∼70 and 550 °C.

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