| 简介 |
A thermoelectric generator for converting thermal energy into electrical energy includes a plurality of Peltier elements which are coupled into a module and are arranged between a heat source and a heat sink, with each Peltier element having of a p-doped leg and an n-doped leg which are connected at their ends in an electrically conductive manner by electrodes. Both the p-doped legs and the n-doped legs of the individual Peltier elements are made of different materials, the efficiency of which is optimized with respect to the different temperature values at the contact points of the individual Peltier elements to the heat source. The high-temperature range of the p-doped legs includes MMyFe4-xCoxSb12 and/or MMyFe4-xNixSb12, with MM being a misch metal of La, Ce, Pr, Nd and Sm, and the high-temperature range of the n-doped legs includes AyCo4-xTxSb12, with A standing for Ba, Ca, Sr and a mixture thereof and T for Ni and Pd. |
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