Please use this identifier to cite or link to this item:
http://hdl.handle.net/10397/81727
DC Field | Value | Language |
---|---|---|
dc.contributor | Department of Electrical Engineering | - |
dc.creator | Geng, ZM | - |
dc.creator | Shi, DL | - |
dc.creator | Shi, L | - |
dc.creator | Li, Y | - |
dc.creator | Snyder, GJ | - |
dc.creator | Lam, KH | - |
dc.date.accessioned | 2020-02-10T12:28:50Z | - |
dc.date.available | 2020-02-10T12:28:50Z | - |
dc.identifier.issn | 2352-8478 | - |
dc.identifier.uri | http://hdl.handle.net/10397/81727 | - |
dc.language.iso | en | en_US |
dc.publisher | Elsevier | en_US |
dc.rights | ©2019 The Chinese Ceramic Society. Production and hosting by Elsevier B.V. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0). | en_US |
dc.rights | The following publication Geng, Z. M., Shi, D. L., Shi, L., Li, Y., Snyder, G. J., & Lam, K. H. (2019). Conventional sintered Cu2-xSe thermoelectric material. Journal of Materiomics, 5(4), 626-633 is available at https://dx.doi.org/10.1016/j.jmat.2019.06.005 | en_US |
dc.subject | Thermoelectric | en_US |
dc.subject | Copper selenide | en_US |
dc.subject | Copper-vacancy engineering | en_US |
dc.subject | Effective mass model | en_US |
dc.title | Conventional sintered Cu2-xSe thermoelectric material | en_US |
dc.type | Journal/Magazine Article | en_US |
dc.identifier.spage | 626 | - |
dc.identifier.epage | 633 | - |
dc.identifier.volume | 5 | - |
dc.identifier.issue | 4 | - |
dc.identifier.doi | 10.1016/j.jmat.2019.06.005 | - |
dcterms.abstract | As the featured material of the superionic thermoelectric (TE) material family, copper-chalcogenide Cu2-xSe is attracting growing research interest for its excellent TE performance derived from the satisfactory power factor and the ultra-low thermal conductivity induced by the superionic effect. Various efforts have been made and proved to be effective to further enhance the TE performance for Cu2-xSe. However, this material is still far from the application stage, which is mainly due to concerns regarding control of the properties and the costly complex fabrication technology. Here we report a scalable pathway to achieve high-performance and tunable Cu2-xSe, utilizing conventional sintering technology and copper (Cu)-vacancy engineering with an effective mass model. The figure of merit zT is a competitive value of 1.0 at 800 K for the optimized binary Cu2-xSe, based on the precise modeling prediction and Cu-vacancy engineering. The changes in TE properties of Cu2-xSe under heating-cooling cycle tests are also revealed. Our work offers the referable method along with the decent parent material for further enhancement of TE performance, paving a possible route for the application and industrialization of Cu2-xSe TE materials. | - |
dcterms.accessRights | open access | en_US |
dcterms.bibliographicCitation | Journal of materiomics, Dec. 2019, v. 5, no. 4, p. 626-633 | - |
dcterms.isPartOf | Journal of materiomics | - |
dcterms.issued | 2019 | - |
dc.identifier.isi | WOS:000494036300011 | - |
dc.description.validate | 202002 bcrc | - |
dc.description.oa | Version of Record | en_US |
dc.identifier.FolderNumber | OA_Scopus/WOS | en_US |
dc.description.pubStatus | Published | en_US |
Appears in Collections: | Journal/Magazine Article |
Files in This Item:
File | Description | Size | Format | |
---|---|---|---|---|
Geng_Sintered_Cu2-xSe_Thermoelectric.pdf | 2.56 MB | Adobe PDF | View/Open |
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