Preparation and Performance of Mg2X-Based Thermoelectric Materials by MgH2 Reaction

Yongzhong Zhang; Yonghui Han; Shaoping Chen; Qingsen Meng

doi:10.14233/ajchem.2014.18310

Issue

Vol. 26 No. 17 (2014): Vol 26 Issue 17

Issue Published : August 27, 2014

This work is licensed under a Creative Commons Attribution 4.0 International License.

Preparation and Performance of Mg2X-Based Thermoelectric Materials by MgH2 Reaction

https://doi.org/10.14233/ajchem.2014.18310

Yongzhong Zhang

Department of Material Science and Engineering, Taiyuan University of Technology, Taiyuan, Shanxi Province, P.R. China

Yonghui Han

Department of Material Science and Engineering, Taiyuan University of Technology, Taiyuan, Shanxi Province, P.R. China

Shaoping Chen

Department of Material Science and Engineering, Taiyuan University of Technology, Taiyuan, Shanxi Province, P.R. China

Qingsen Meng

College of Materials Science and Engineering, Taiyuan University and Technology, Taiyuan 030024, Shanxi Province, P.R. China

Corresponding Author(s) : Yongzhong Zhang

zhangyongzhong@tyut.edu.cn

Asian Journal of Chemistry, Vol. 26 No. 17 (2014): Vol 26 Issue 17
Article Published : August 12, 2014

Abstract

In the realm of thermoelectric materials, Mg₂Si based thermoelectric materials have gained considerable attention from researchers in recent years due to their advantages of being non-toxic, eco-friendly and the fact that their elements are relatively abundant in nature. Oxidation and volatilization were effectively avoided in the preparation process of Mg₂Sn using a field-activated and pressure-assisted sintering process to prepare high-purity Mg₂Sn and Y-doped Mg₂Sn thermoelectric materials. Test results showed that the doping of Y elements can improve the Seebeck coefficient and ZT values of Mg₂Sn thermoelectric materials at low temperatures. Its best ZT value (0.033) was about three times that of pure Mg₂Sn material (0.013) reported in literature. After doping Y in Mg₂Sn material optimal temperature interval of its ZT value declined. These results hold important significance for the practical application of Mg₂Sn materials.

Keywords

MgH2 FAPAS Mg2Sn Thermoelectric materials

Zhang, Y., Han, Y., Chen, S., & Meng, Q. (2014). Preparation and Performance of Mg2X-Based Thermoelectric Materials by MgH2 Reaction. Asian Journal of Chemistry, 26(17), 5852–5856. https://doi.org/10.14233/ajchem.2014.18310

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References

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References

V. Zaitsev, M. Fedorov, E. Gurieva, I. Eremin, P. Konstantinov, A. Samunin and M. Vedernikov, Phys. Rev. B, 74, 045207 (2006); doi:10.1103/PhysRevB.74.045207.

M.J. Yang, C. Xue, H. Zhuang, G. Wang, J. Chen, H. Li, L. Qin and Z. Wang, Rare Metal Mat Eng., 38, 377 (2009); doi:10.1016/S1875-5372(10)60021-5.

P.Z. Ying, H. Fu and D.Y. Chen, Rare Metal Mat Eng., 39, 570 (2010); doi:10.1016/S1875-5372(10)60090-2.

Q. Zhang, H. Yin, X. B. Zhao, J. He, X. H. Ji, T. J. Zhu and T. M. Tritt, Phys. State Solid (A), 205, 1657 (2008); doi:10.1002/pssa.200723497.

H.Y. Chen and N. Savvides, J. Cryst. Growth, 312, 2328 (2010); doi:10.1016/j.jcrysgro.2010.05.011.

H.Y. Chen and N. Savvides. J. Electron. Mater., 38, 1056 (2009); doi:10.1007/s11664-008-0630-1.

W.J. Luo, H.-Y. Jiang, M.-J. Yang, Q. Shen and L.-M. Zhang, J. Func. Mater., 39, 1649 (2008).

R.F. Blunt, H.P.R. Frederikse and W.R. Hosler, Phys. Rev., 663, 100 (1955); doi:10.1103/PhysRev.100.663.

T.-H. An, S.-M. Choi, I.-H. Kim, S.-U. Kim, W.-S. Seo, J.-Y. Kim and C. Park, Renewable Energy, 42, 23 (2012); doi:10.1016/j.renene.2011.09.030.

T.H. Yi, S.P. Chen, S. Li, H. Yang, S. Bux, Z.X. Bian, N.A. Katcho, A. Shakouri, N. Mingo, J.-P. Fleurial, N.D. Browning and S.M. Kauzlarich, J. Mater. Chem., 22, 24805 (2012); doi:10.1039/C2JM35257E.

S.-M. Choi, K.-H. Kim, S.-M. Jeong, H.-S. Choi, Y.S. Lim, W.-S. Seo and I.-H. Kim, J. Electron. Mater., 41, 1004 (2012); doi:10.1007/s11664-011-1871-y.

H.Y. Chen, N. Savvides, T. Dasgupta, C. Stiewe and E. Muelle, Phys. State Solid (A), 207, 2523 (2010); doi:10.1002/pssa.201026119.

T.-H. An, C. Park, W.-S. Seo, S.-M. Choi, I.-H. Kim and S.-U. Kim, J. Korean Phys. Soc., 60, 1717 (2012); doi:10.3938/jkps.60.1717.

N.N. Liu, R.B. Song, H.Y. Sun and D.W. Du, Acta Phys. Sin., 57, 7145 (2008); doi:10.7498/aps.57.7145.

Issue

Vol. 26 No. 17 (2014): Vol 26 Issue 17

Preparation and Performance of Mg2X-Based Thermoelectric Materials by MgH2 Reaction

Corresponding Author(s) : Yongzhong Zhang

Abstract

Keywords

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References

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