过渡金属氧化物(NiO和TiO/sub 2/)在精细分散状态下的热电性能

Proceedings ICT2001. 20 International Conference on Thermoelectrics (Cat. No.01TH8589) Pub Date : 2001-06-08 DOI:10.1109/ICT.2001.979859

É. Sher

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引用次数: 2

摘要

通过比较细碎和弱烧结样品(其中小晶粒之间的接触性能影响最大)和密集烧结陶瓷样品(其中这些影响表现得更弱)的性能，研究了分散对一氧化镍NiO和金红石TiO/sub 2/热电性能的影响。这些材料的电导率机制和颗粒接触特性的特定特征，允许(在分散后)显著提高其热电效率。

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Thermoelectric properties of transition metal oxides (NiO and TiO/sub 2/) in a finely dispersgated state

The influence of dispergation on thermoelectric properties of nickel monoxide NiO and rutile TiO/sub 2/ was studied by comparison properties of finely divided and weak sintered samples (in which the properties of contacts between small grains have a maximum effect) with properties of densely sintered ceramic samples, in which these effects are expressed much more weakly. Specific features of the mechanism of conductivity of these materials and grain contacts properties, allowed (after a dispergation) a considerable increase in their thermoelectric efficiency.

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Proceedings ICT2001. 20 International Conference on Thermoelectrics (Cat. No.01TH8589)

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