Research progress of p-type Fe-based skutterudite thermoelectric materials

查看全文 作　　者：Xin [1,2]TONG;Zhiyuan [1,2]LIU;Jianglong [1,2]ZHU;Ting [1,2]YANG;Yonggui [1,2]WANG;Ailin [1,2]XIA

机构地区：[1]Key Laboratory of Green Fabrication and Surface Technology of Advanced Metal Materials(Ministry of Education),Anhui University of Technology,Maanshan 243002,China;[2]School of Materials Science and Engineering,Anhui University of Technology,Maanshan 243002,China

出　　处：《Frontiers of Materials Science》索引2021年第15卷第3期,共17页

基　　金：This work was supported by the National Natural Science Foundation of China(Grant No.51872006);the Anhui University of Technology High-Level Doctoral Student Training Program(DT17200008). 摘　　要：Filled skutterudite is currently one of the most promising intermediate-temperature thermoelectric(TE)materials,having good thermoelectric transport performance and excellent mechanical properties.For the preparation of high-efficiency filled skutterudite TE devices,it is important to have p-and n-type filled skutterudite TE materials with matching performance.However,the current TE properties of p-type Fe-based filled skutterudite materials are worse than n-type filled skutterudite materials.Therefore,how to obtain high-performance p-type Fe-based filled skutterudite materials is the key to preparation of high-efficiency skutterudite-based TE devices.This review summarizes some methods for optimizing the thermal transport performance of p-type filled skutterudite materials at the atomic-molecular and nano-mesoscopic scale that have been used in recent years.These methods include doping,multi-atom filling,and use of low-dimensional structure and of nanocomposite.In addition,the synergistic optimization methods of the electrical and thermal transport parameters and advanced preparation technologies of p-type filled skutterudite materials in recent years are also briefly summarized.These optimizational methods and advanced preparation technologies can significantly improve the TE properties of p-type Fe-based filled skutterudite materials. 关键词：p-type Fe-based filled skutterudite lattice thermal conductivity synergistic optimization preparation technology thermoelectric property

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Research progress of p-type Fe-based skutterudite thermoelectric materials

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