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发明公开
CN106784280A 一种低热导率、高ZT值热电材料 无效 - 撤回

一种低热导率、高ZT值热电材料
摘要：
本发明公开了一种低热导率、高ZT值方钴矿热电材料。本发明的热电材料具有明显低于现有方钴矿热电材料的热导率和高于现有方钴矿材料的ZT值。本发明的方钴矿热电材料由填充材料M、置换材料N、Co和Sb通过高压合成而制成，该热电材料的分子式为MyCo4Sb12‑xNx，其中x和y的数值范围在0.1‑2之间。本发明热电材料的合成方法极为简单，并适用于工业化生产。所得产物机械性能好，热导率远低于其他方法所合成的填充型或置换型CoSb3热电材料，且具有高的热电性能。
摘要（英）：

The invention discloses a skutterudite thermoelectric material with low thermal conductivity and high ZT value. The thermoelectric material disclosed by the invention has the advantages that the thermal conductivity of the thermoelectric material is obviously lower than that of an existing skutterudite thermoelectric material and the ZT value of the thermoelectric material is obviously higher than that of an existing skutterudite material. The skutterudite thermoelectric material disclosed by the invention is prepared from a filling material M and displacement materials N, Co and Sb through high-pressure synthesis, and the molecular formula of the thermoelectric material is MyCo4Sb12-xNx, wherein the numerical values of x and y are in the range of 0.1 and 2. The synthetic method of the thermoelectric material in the invention is extremely simple, and is applicable for industrial production. The obtained product is high in mechanical property, the thermal conductivity is extremely lower than that of a filling type or displacement type CoSb3 thermoelectric material synthesized by other methods, and the material has high thermoelectric performance.

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