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Investigation of Nanostructured Thermoelectric Material Si0.8Ge0.2P0.022 for Application in Multisectional Legs of Thermoelectric Elements

机译:纳米结构热电材料Si0.8Ge0.2P0.022在热电元件多分支中的应用研究

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摘要

Complex investigations of high-temperature thermoelectric material nanostructured Si0.8Ge0.2P0.022 n-type were carried out. Temperature dependencies of conductivity, thermoelectric coefficient and thermal conductivity were studied. Obtained data were used for the calculation of temperature dependence of ZT. Maximum value of ZT =1.04 is observed at 900 °C. Differential scanning calorimetry indicates on the high thermal stability of the nanostructured material. It was established that optimal temperature range for the application of the material in the multisectional legs of thermoelements is 600-900 °C.
机译:对高温热电材料纳米结构的Si0.8Ge0.2P0.022 n型进行了复杂的研究。研究了电导率,热电系数和热导率的温度依赖性。将获得的数据用于计算ZT的温度依赖性。在900°C下观察到ZT的最大值= 1.04。差示扫描量热法表明纳米结构材料的高热稳定性。已经确定,将材料应用于热电偶的多段分支的最佳温度范围是600-900°C。

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