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Thermoelectric Device: Contact Interface and Interface Materials
journal contributionposted on 2022-09-29, 23:30 authored by X K Hu, S M Zhang, F Zhao, Y Liu, W S Liu
Thermoelectric power generation via Seebeck effect features an unique advantage in converting large amount of distributed and low-grade waste heat into electricity. Thermoelectric materials have become a hot topic of research in the field of new energy materials, guided by the high figure of merit ZT. Although various mid-temperature thermoelectric materials were discovered, the industrial application of these materials, especially in power generation applications, progressed very slowly. The staggering interface technology associated with thermoelectric device restricted the advance of thermoelectric conversion technology. In this review, the bottleneck issues of utilizing Bi2Te3-based devices for power generation were used as an example to illustrate the critical interface technologies. The key issues at designing electrode contact interfaces were summarized, including low contact resistance, high bonding strength, and superior thermal chemical stability at high temperature. The recent progress on the metallization and interfacial barrier layer for typical materials of Bi2Te3, PbTe and CoSb3 were also reviewed.
JournalWuji Cailiao Xuebao/Journal of Inorganic Materials
Pagination269 - 278
Publication classificationC1 Refereed article in a scholarly journal
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