Hasan, M. N. and Wahid, H. and Nayan, N. and Mohamed Ali, M. S. (2020) Inorganic thermoelectric materials: a review. International Journal of Energy Research, 44 (8). pp. 6170-6222. ISSN 0363-907X
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Official URL: http://www.dx.doi.org/10.1002/er.5313
Abstract
Thermoelectric generator, which converts heat into electrical energy, has great potential to power portable devices. Nevertheless, the efficiency of a thermoelectric generator suffers due to inefficient thermoelectric material performance. In the last two decades, the performance of inorganic thermoelectric materials has been significantly advanced through rigorous efforts and novel techniques. In this review, major issues and recent advancements that are associated with the efficiency of inorganic thermoelectric materials are encapsulated. In addition, miscellaneous optimization strategies, such as band engineering, energy filtering, modulation doping, and low dimensional materials to improve the performance of inorganic thermoelectric materials are reported. The methodological reviews and analyses showed that all these techniques have significantly enhanced the Seebeck coefficient, electrical conductivity, and reduced the thermal conductivity, consequently, improved ZT value to 2.42, 2.6, and 1.85 for near-room, medium, and high temperature inorganic thermoelectric material, respectively. Moreover, this review also focuses on the performance of silicon nanowires and their common fabrication techniques, which have the potential for thermoelectric power generation. Finally, the key outcomes along with future directions from this review are discussed at the end of this article.
Item Type: | Article |
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Uncontrolled Keywords: | band engineering, electrical conductivity, energy filtering |
Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
Divisions: | Electrical Engineering |
ID Code: | 87323 |
Deposited By: | Narimah Nawil |
Deposited On: | 31 Oct 2020 12:29 |
Last Modified: | 31 Oct 2020 12:29 |
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