Development of Thermoelectric Half-Heusler Alloys over the Past 25 Years
Half-Heusler alloys are among the most promising thermoelectric materials. In the present review, thermoelectric properties (at 300 K and 800 K) of more than 1100 compositions from more than 220 publications between 1998 and 2023 were collected and evaluated. The dependence of the peak figure of mer...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-07-01
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| Series: | Crystals |
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| Online Access: | https://www.mdpi.com/2073-4352/13/7/1152 |
| _version_ | 1797589652692008960 |
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| author | Gerda Rogl Peter Franz Rogl |
| author_facet | Gerda Rogl Peter Franz Rogl |
| author_sort | Gerda Rogl |
| collection | DOAJ |
| description | Half-Heusler alloys are among the most promising thermoelectric materials. In the present review, thermoelectric properties (at 300 K and 800 K) of more than 1100 compositions from more than 220 publications between 1998 and 2023 were collected and evaluated. The dependence of the peak figure of merit, <i>ZT</i><sub>max</sub>, of p- and n-type half-Heusler alloys on the publishing year and the peak temperature is displayed in several figures. Furthermore, plots of <i>ZT</i> vs. the electrical resistivity, the Seebeck coefficient and the thermal conductivity at 300 K and 800 K are shown and discussed. Especially thermal conductivity vs. power factor leads to a good overview of <i>ZT</i>. For both p- and n-type individually separated into systems, <i>ZT</i>s and peak <i>ZT</i>s in dependence on the composition are displayed and discussed. This overview can help to find the ideal half-Heusler alloy for practical use. |
| first_indexed | 2024-03-11T01:10:33Z |
| format | Article |
| id | doaj.art-4612a93df53c4f6db1b84ae86351b328 |
| institution | Directory Open Access Journal |
| issn | 2073-4352 |
| language | English |
| last_indexed | 2024-03-11T01:10:33Z |
| publishDate | 2023-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Crystals |
| spelling | doaj.art-4612a93df53c4f6db1b84ae86351b3282023-11-18T18:55:15ZengMDPI AGCrystals2073-43522023-07-01137115210.3390/cryst13071152Development of Thermoelectric Half-Heusler Alloys over the Past 25 YearsGerda Rogl0Peter Franz Rogl1Institute of Materials Chemistry, University of Vienna, Währingerstraße 42, A-1090 Wien, AustriaInstitute of Materials Chemistry, University of Vienna, Währingerstraße 42, A-1090 Wien, AustriaHalf-Heusler alloys are among the most promising thermoelectric materials. In the present review, thermoelectric properties (at 300 K and 800 K) of more than 1100 compositions from more than 220 publications between 1998 and 2023 were collected and evaluated. The dependence of the peak figure of merit, <i>ZT</i><sub>max</sub>, of p- and n-type half-Heusler alloys on the publishing year and the peak temperature is displayed in several figures. Furthermore, plots of <i>ZT</i> vs. the electrical resistivity, the Seebeck coefficient and the thermal conductivity at 300 K and 800 K are shown and discussed. Especially thermal conductivity vs. power factor leads to a good overview of <i>ZT</i>. For both p- and n-type individually separated into systems, <i>ZT</i>s and peak <i>ZT</i>s in dependence on the composition are displayed and discussed. This overview can help to find the ideal half-Heusler alloy for practical use.https://www.mdpi.com/2073-4352/13/7/1152half-Heusler alloysphysical propertiesfigure of merit (<i>ZT</i>) |
| spellingShingle | Gerda Rogl Peter Franz Rogl Development of Thermoelectric Half-Heusler Alloys over the Past 25 Years Crystals half-Heusler alloys physical properties figure of merit (<i>ZT</i>) |
| title | Development of Thermoelectric Half-Heusler Alloys over the Past 25 Years |
| title_full | Development of Thermoelectric Half-Heusler Alloys over the Past 25 Years |
| title_fullStr | Development of Thermoelectric Half-Heusler Alloys over the Past 25 Years |
| title_full_unstemmed | Development of Thermoelectric Half-Heusler Alloys over the Past 25 Years |
| title_short | Development of Thermoelectric Half-Heusler Alloys over the Past 25 Years |
| title_sort | development of thermoelectric half heusler alloys over the past 25 years |
| topic | half-Heusler alloys physical properties figure of merit (<i>ZT</i>) |
| url | https://www.mdpi.com/2073-4352/13/7/1152 |
| work_keys_str_mv | AT gerdarogl developmentofthermoelectrichalfheusleralloysoverthepast25years AT peterfranzrogl developmentofthermoelectrichalfheusleralloysoverthepast25years |