热电材料的最新进展  

Recent Development of Thermoelectric Materials

作　　者：周芸[1] 沈容[1] 史庆南[1] 孙加林[1] 

机构地区：[1]昆明理工大学材料与冶金工程学院,云南昆明650093

出　　处：《昆明理工大学学报（理工版）》2003年第3期14-17,共4页Journal of Kunming University of Science and Technology(Natural Science Edition)

基　　金：云南省自然科学基金(项目编号: 98E007Q).

摘　　要：简要介绍热电效应及利用热电效应实现温差发电和通电制冷的原理. 评估了热电材料的性能因子Z , 热电材料的研究发展过程及近几年的最新研究动向, 给出评价理想热电材料的必要条件及改善性能因子Z的可能途径, 并指出热电材料在绿色能源工程及制冷技术上的广阔应用前景.Thermoelectric effects and the essential principles of thermoelectric generator and refrigerator areintroduced. The figure of merit for thermoelectric materials is defined, and the recent progress of thermoelectricmaterials is reviewed .The necessary criteria for ideal thermoelectric materials and the possible ways to improvethe figure of merit are put forward. It is pointed out that the next generation thermoelectric materials will bewidely used for refrigeration and power generation engineering in near future.

关 键 词：热电材料 SEEBECK效应 制冷效应 半导体材料 热电效应 声子玻璃电子晶体 Skutterrudite结构 Clathrates型化合物 温差电势 研究进展 

分 类 号：TN37[电子电信—物理电子学] TN304