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Prismatic Spreading–Constriction Expression for the Improvement of Impedance Spectroscopy Models and a More Accurate Determination of the Internal Thermal Contact Resistances of Thermoelectric Modules
dc.contributor.author | Aljaghtham, Mutabe | |
dc.contributor.author | Song, Ge | |
dc.contributor.author | García-Cañadas, Jorge | |
dc.contributor.author | Beltrán-Pitarch, Braulio | |
dc.date.accessioned | 2023-07-27T07:11:22Z | |
dc.date.available | 2023-07-27T07:11:22Z | |
dc.date.issued | 2023-06-27 | |
dc.identifier.citation | Aljaghtham, M.; Song, G.; García-Cañadas, J.; Beltrán-Pitarch, B. Prismatic Spreading–Constriction Expression for the Improvement of Impedance Spectroscopy Models and a More Accurate Determination of the Internal Thermal Contact Resistances of Thermoelectric Modules. ACS Appl. Electron. Mater. 2023, 5, 6, 3373-3377. DOI: 10.1021/acsaelm.3c00389 | ca_CA |
dc.identifier.issn | 2637-6113 | |
dc.identifier.uri | http://hdl.handle.net/10234/203676 | |
dc.description | This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Applied Electronic Materials, Copyright © 2023 American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see: https://doi.org/10.1021/acsaelm.3c00389 | |
dc.description.abstract | Thermoelectric (TE) devices can convert heat to electrical power or use electrical power to generate a temperature difference. Their characterization is essential to develop devices with higher efficiency. Impedance spectroscopy models have been developed in the last few years, and it has become a highly advantageous method for TE system characterization. Recently, it has been shown that this technique can also be used to determine internal thermal contacts (between the TE legs and the metallic strips that connect them and between the metallic strips and the outer layers). Here, we developed for the first time a spreading–constriction expression which does not assume cylindrical geometry. The enhanced model is also used to characterize four TE devices from different manufacturers, highlighting overestimations up to 13% when the previous cylindrical approximation is used. A code is provided in the Supporting Information ready to fit the experimental data. This study positions impedance spectroscopy as a powerful tool to detect and monitor issues during manufacturing or operation of TE devices, which typically occur at the contacts. | ca_CA |
dc.format.extent | 5 p. | ca_CA |
dc.format.mimetype | application/pdf | ca_CA |
dc.language.iso | eng | ca_CA |
dc.publisher | American Chemical Society | ca_CA |
dc.relation.isPartOf | ACS Applied Electronic Materials, 2023, vol. 5, no 6 | ca_CA |
dc.rights | Copyright © American Chemical Society | ca_CA |
dc.rights.uri | http://rightsstatements.org/vocab/CNE/1.0/ | ca_CA |
dc.subject | peltier device | ca_CA |
dc.subject | frequency domain | ca_CA |
dc.subject | numerical simulations | ca_CA |
dc.subject | finite element method | ca_CA |
dc.subject | spreading-constriction | ca_CA |
dc.subject | electrical impedance spectroscopy | ca_CA |
dc.title | Prismatic Spreading–Constriction Expression for the Improvement of Impedance Spectroscopy Models and a More Accurate Determination of the Internal Thermal Contact Resistances of Thermoelectric Modules | ca_CA |
dc.type | info:eu-repo/semantics/article | ca_CA |
dc.identifier.doi | https://doi.org/10.1021/acsaelm.3c00389 | |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | ca_CA |
dc.relation.publisherVersion | https://pubs.acs.org/doi/full/10.1021/acsaelm.3c00389 | ca_CA |
dc.description.sponsorship | The authors acknowledge the companies European Thermodynamics Ltd. and Jeongkwan Co. Ltd. for supplying TE devices. The financial support from the Universitat Jaume I under the project number UJI-B2019-50 is also acknowledged. | |
dc.type.version | info:eu-repo/semantics/acceptedVersion | ca_CA |
project.funder.name | Universitat Jaume I | ca_CA |
oaire.awardNumber | UJI-B2019-50 | ca_CA |
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