Grain boundary complexions stabilize Mg3Sb2-based thermoelectric devices with superior performance
Grain boundary complexions stabilize Mg 3 Sb 2 -based thermoelectric devices with superior performanceGraphical abstract Highlights • Ga-rich grain boundary complexions block Mg-diffusion channels • Mg 3 Sb 2 materials stabilize at 718 K for over 80 h• Single-leg device shows 13.7% maximum efficiency and at least 7-day stability • A two-pair device shows a high efficiency of 12.5% at ΔT =
Authors
- M. Wuttig
- D. Mattlat
- L. Hu
- C. Scheu
- G. Snyder
- Y. Yu
- S. Zhang
- G. Yang
- F. Liu
- Y. Liu
- Z. Wang
- C. Zhang
Institutions
- Northwestern University (US)
- Forschungszentrum Jülich (DE)
- Shenzhen University (CN)
- Max-Planck-Institut für Nachhaltige Materialien (DE)
- Guangdong Research Center for Interfacial Engineering of Functional Materials (CN)
- RWTH Aachen University (DE)
Publication Details
- Journal
- MPG.PuRe (Max Planck Society)
- Published
- 2026-09-26
- Primary Topic
- Advanced Thermoelectric Materials and Devices
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- Basic and Applied Basic Research Foundation of Guangdong Province