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热电材料是一种直接将热能和电能进行相互转换的能源材料,在废热(余热)发电、太阳能热源发电等方面有广阔的应用前景.氧化物热电材料具有性能稳定、可在高温环境下长期工作、无污染及成本低廉等优点,已成为高温热电转换材料领域研究的热点之一.系统阐述了氧化物热电材料的研究现状,讨论了结构调控技术提高材料热电性能的原因,并提出了氧化物热电材料的发展方向.
The thermoelectric material is a kind of energy material that directly transforms the thermal energy and the electric energy, and has broad application prospect in the waste heat (residual heat) power generation, solar thermal power generation, etc. The oxide thermoelectric material has the characteristics of stable performance and long-term work under high temperature environment , No pollution and low cost, has become one of the hotspots in the field of high temperature thermoelectric conversion materials.The current research status of oxide thermoelectric materials is systematically described, and the reason why structural adjustment and control technology improves the thermoelectric properties of the materials is discussed, and the oxide Development of thermoelectric materials.