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A Device-to-Material Strategy Guiding the "Double-High" Thermoelectric Module
Xing, YF; Liu, RH; Liao, JC; Wang, C; Zhang, QH; Song, QF; Xia, XG; Zhu, TJ; Bai, SQ; Chen, LD
2020-11-18
Source PublicationJOULE
ISSN2542-4351
Issue11Pages:2475
SubtypeArticle
AbstractThermoelectric devices having both high conversion efficiency and high power density ("double-high") are in high demand for power-generation applications. Conventional research approaches on thermoelectric devices primarily focus on the realization of high conversion efficiency, while the power density is often overlooked. We propose a device-to-material design strategy for "double-high" thermoelectric modules, which integrates multiple criteria including matching thermal conductivities in p- and n-type thermoelectric materials, optimizing topologic structures of modules, and minimizing interfacial resistance. According to the thermal-conductivity matching criterion, the n-type Zr0.5Hf0.5NiSn0.97Sb0.03 half-Heusler alloy, which possesses an excellent power factor but slightly lower zT, is adopted as the partner of the p-type Nb0.86Hf0.14FeSb alloy for realizing a double-high thermoelectric module. The newly developed 8-pair module achieves a maximum conversion efficiency of 10.5% and power density of 3.1 Wcm(-2) at a temperature difference of 680 K, simultaneously breaking both records in a single-stage module.
DOI10.1016/j.joule.2020.08.009
Language英语
WOS Research AreaChemistry ; Energy & Fuels ; Materials Science
PublisherCELL PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27621
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Xing, YF,Liu, RH,Liao, JC,et al. A Device-to-Material Strategy Guiding the "Double-High" Thermoelectric Module[J]. JOULE,2020(11):2475.
APA Xing, YF.,Liu, RH.,Liao, JC.,Wang, C.,Zhang, QH.,...&Chen, LD.(2020).A Device-to-Material Strategy Guiding the "Double-High" Thermoelectric Module.JOULE(11),2475.
MLA Xing, YF,et al."A Device-to-Material Strategy Guiding the "Double-High" Thermoelectric Module".JOULE .11(2020):2475.
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