Half-Heusler Alloys As Emerging High Power Density Thermoelectric Cooling Materials

Overview

Journal Nat Commun

Specialty Biology

Date 2023 Jun 6

PMID 37280195

Authors

Hangtian Zhu

Wenjie Li

Amin Nozariasbmarz

Na Liu

Yu Zhang

Shashank Priya

Bed Poudel

Affiliations

Soon will be listed here.

Abstract

To achieve optimal thermoelectric performance, it is crucial to manipulate the scattering processes within materials to decouple the transport of phonons and electrons. In half-Heusler (hH) compounds, selective defect reduction can significantly improve performance due to the weak electron-acoustic phonon interaction. This study utilized Sb-pressure controlled annealing process to modulate the microstructure and point defects of NbTaTiFeSb compound, resulting in a 100% increase in carrier mobility and a maximum power factor of 78 µW cm K, approaching the theoretical prediction for NbFeSb single crystal. This approach yielded the highest average zT of ~0.86 among hH in the temperature range of 300-873 K. The use of this material led to a 210% enhancement in cooling power density compared to BiTe-based devices and a conversion efficiency of 12%. These results demonstrate a promising strategy for optimizing hH materials for near-room-temperature thermoelectric applications.

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References

He R, Kraemer D, Mao J, Zeng L, Jie Q, Lan Y . Achieving high power factor and output power density in p-type half-Heuslers Nb1-xTixFeSb. Proc Natl Acad Sci U S A. 2016; 113(48):13576-13581. PMC: 5137697. DOI: 10.1073/pnas.1617663113. View

Wood M, Kuo J, Imasato K, Snyder G . Improvement of Low-Temperature zT in a Mg Sb -Mg Bi Solid Solution via Mg-Vapor Annealing. Adv Mater. 2019; 31(35):e1902337. DOI: 10.1002/adma.201902337. View

Pei Y, Shi X, LaLonde A, Wang H, Chen L, Snyder G . Convergence of electronic bands for high performance bulk thermoelectrics. Nature. 2011; 473(7345):66-9. DOI: 10.1038/nature09996. View

Mao J, Zhu H, Ding Z, Liu Z, Gamage G, Chen G . High thermoelectric cooling performance of n-type MgBi-based materials. Science. 2019; 365(6452):495-498. DOI: 10.1126/science.aax7792. View

Li W, Nozariasbmarz A, Kishore R, Kang H, Dettor C, Zhu H . Conformal High-Power-Density Half-Heusler Thermoelectric Modules: A Pathway toward Practical Power Generators. ACS Appl Mater Interfaces. 2021; 13(45):53935-53944. DOI: 10.1021/acsami.1c16117. View

Zhou J, Zhu H, Liu T, Song Q, He R, Mao J . Large thermoelectric power factor from crystal symmetry-protected non-bonding orbital in half-Heuslers. Nat Commun. 2018; 9(1):1721. PMC: 5928102. DOI: 10.1038/s41467-018-03866-w. View

Bell L . Cooling, heating, generating power, and recovering waste heat with thermoelectric systems. Science. 2008; 321(5895):1457-61. DOI: 10.1126/science.1158899. View

Fu C, Wu H, Liu Y, He J, Zhao X, Zhu T . Enhancing the Figure of Merit of Heavy-Band Thermoelectric Materials Through Hierarchical Phonon Scattering. Adv Sci (Weinh). 2016; 3(8):1600035. PMC: 5069587. DOI: 10.1002/advs.201600035. View

Zhu H, Mao J, Feng Z, Sun J, Zhu Q, Liu Z . Understanding the asymmetrical thermoelectric performance for discovering promising thermoelectric materials. Sci Adv. 2019; 5(6):eaav5813. PMC: 6588382. DOI: 10.1126/sciadv.aav5813. View

10.

Poudel B, Hao Q, Ma Y, Lan Y, Minnich A, Yu B . High-thermoelectric performance of nanostructured bismuth antimony telluride bulk alloys. Science. 2008; 320(5876):634-8. DOI: 10.1126/science.1156446. View

11.

Bu Z, Zhang X, Hu Y, Chen Z, Lin S, Li W . A record thermoelectric efficiency in tellurium-free modules for low-grade waste heat recovery. Nat Commun. 2022; 13(1):237. PMC: 8752736. DOI: 10.1038/s41467-021-27916-y. View

12.

Kang H, Saparamadu U, Nozariasbmarz A, Li W, Zhu H, Poudel B . Understanding Oxidation Resistance of Half-Heusler Alloys for in-Air High Temperature Sustainable Thermoelectric Generators. ACS Appl Mater Interfaces. 2020; 12(32):36706-36714. DOI: 10.1021/acsami.0c08413. View

13.

Biswas K, He J, Blum I, Wu C, Hogan T, Seidman D . High-performance bulk thermoelectrics with all-scale hierarchical architectures. Nature. 2012; 489(7416):414-8. DOI: 10.1038/nature11439. View

14.

Nozariasbmarz A, Kishore R, Poudel B, Saparamadu U, Li W, Cruz R . High Power Density Body Heat Energy Harvesting. ACS Appl Mater Interfaces. 2019; 11(43):40107-40113. DOI: 10.1021/acsami.9b14823. View

15.

Chowdhury I, Prasher R, Lofgreen K, Chrysler G, Narasimhan S, Mahajan R . On-chip cooling by superlattice-based thin-film thermoelectrics. Nat Nanotechnol. 2009; 4(4):235-8. DOI: 10.1038/nnano.2008.417. View

16.

Kim S, Lee K, Mun H, Kim H, Hwang S, Roh J . Thermoelectrics. Dense dislocation arrays embedded in grain boundaries for high-performance bulk thermoelectrics. Science. 2015; 348(6230):109-14. DOI: 10.1126/science.aaa4166. View

17.

Zhu H, Mao J, Li Y, Sun J, Wang Y, Zhu Q . Discovery of TaFeSb-based half-Heuslers with high thermoelectric performance. Nat Commun. 2019; 10(1):270. PMC: 6336844. DOI: 10.1038/s41467-018-08223-5. View

18.

Zhou C, Lee Y, Yu Y, Byun S, Luo Z, Lee H . Polycrystalline SnSe with a thermoelectric figure of merit greater than the single crystal. Nat Mater. 2021; 20(10):1378-1384. PMC: 8463294. DOI: 10.1038/s41563-021-01064-6. View

19.

Zhu H, He R, Mao J, Zhu Q, Li C, Sun J . Discovery of ZrCoBi based half Heuslers with high thermoelectric conversion efficiency. Nat Commun. 2018; 9(1):2497. PMC: 6021448. DOI: 10.1038/s41467-018-04958-3. View

20.

Fu C, Bai S, Liu Y, Tang Y, Chen L, Zhao X . Realizing high figure of merit in heavy-band p-type half-Heusler thermoelectric materials. Nat Commun. 2015; 6:8144. PMC: 4569725. DOI: 10.1038/ncomms9144. View