About this Abstract |
| Meeting |
2026 TMS Annual Meeting & Exhibition
|
| Symposium
|
Energy Technology 2026: Advancement in Energy Materials - Theory, Simulation, Characterization, Application
|
| Presentation Title |
low-cost high efficiency oxide-based thermoelectric materials and device |
| Author(s) |
Yannan Lu, Sheik Md Kazi Nazrul Islam, Daniel Dong Liang |
| On-Site Speaker (Planned) |
Yannan Lu |
| Abstract Scope |
Thermoelectric (TE) oxide materials have attracted significant interest due to their abundance, low-cost processing, and excellent thermal and chemical stability. However, their relatively low conversion efficiency has remained a major barrier to practical applications. In this work, several cost-effective oxide-based thermoelectric materials are investigated, along with the segmentation of oxide and semimetal materials. By combining the advantages of both material types, segmented legs with high efficiency and high-temperature stability can be developed. Materials for segmentation are selected based on their compatibility factors and an “efficiency ratio” that balances conversion efficiency with material cost. Numerical modelling results show that conversion efficiencies exceeding 10% can be achieved for unicouples using segmented legs comprising p-type Ca₃Co₄O₉ and n-type ZnO oxides, excluding electrical and thermal losses. These results provide valuable guidance for designing low-cost, high-efficiency thermoelectric modules based on oxide materials. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Electronic Materials, Energy Conversion and Storage, Ceramics |