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Electrode interface optimization advances conversion efficiency and stability of thermoelectric devices
Chu, J; Huang, J; Liu, RH; Liao, JC; Xia, XG; Zhang, QH; Wang, C; Gu, M; Bai, SQ; Shi, X; Chen, LD
2020-06-01
Source PublicationNATURE COMMUNICATIONS
ISSN2041-1723
Issue1
SubtypeArticle
AbstractAlthough the CoSb3-based skutterudite thermoelectric devices have been highly expected for wide uses such as waste heat recovery and space power supply, the limited long-term service stability majorly determined by the degradation of electrode interface obstructs its applications. Here, we built up an effective criterion for screening barrier layer based on the combination of negative interfacial reaction energy and high activation energy barrier of Sb migration through the formed interfacial reaction layer. Accordingly, we predicted niobium as a promising barrier layer. The experimental results show the skutterudite/Nb joint has the slowest interfacial reaction layer growth rate and smallest interfacial electrical resistivity. The fabricated 8-pair skutterudite module using Nb as barrier layer achieves a recorded conversion efficiency of 10.2% at hot-side temperature of 872K and shows excellent stability during long-time aging. This simple criterion provides an effective guidance on screening barrier layer with bonding-blocking-conducting synergetic functions for thermoelectric device integration.
DOI10.1038/s41467-020-16508-x
WOS KeywordRELIABILITY EVALUATION ; POWER GENERATION ; SKUTTERUDITE ; PERFORMANCE ; EVOLUTION ; MODULES ; POINTS ; JOINTS ; LAYER ; HEAT
Language英语
WOS Research AreaScience & Technology - Other Topics
PublisherNATURE PUBLISHING GROUP
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28008
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Chu, J,Huang, J,Liu, RH,et al. Electrode interface optimization advances conversion efficiency and stability of thermoelectric devices[J]. NATURE COMMUNICATIONS,2020(1).
APA Chu, J.,Huang, J.,Liu, RH.,Liao, JC.,Xia, XG.,...&Chen, LD.(2020).Electrode interface optimization advances conversion efficiency and stability of thermoelectric devices.NATURE COMMUNICATIONS(1).
MLA Chu, J,et al."Electrode interface optimization advances conversion efficiency and stability of thermoelectric devices".NATURE COMMUNICATIONS .1(2020).
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