A new structure of thin-film thermoelectric generators
Corresponding Author(s) : Kairgali Dussaliyev
Future Energy,
Vol. 2 No. 3 (2023): August 2023 Issue
Abstract
The development of thin-film thermoelectric generators (TEG) is hampered by the lack of a new approach to their design. A new structure of thin-film TEGs has been proposed. The new structure is made by inverting flat thermocouples of the same name each other, generating electricity from adjacent rows of electrical circuits with the formation of narrow zones between the junctions on the substrate of each layer of a plurality of layers. Formed uniform alternation alternately areas of hot and cold junctions of thermocouples, which are connected in series in electrical circuits located on the substrate of each layer in uniform and parallel rows. The heat flow is brought to the areas of hot junctions, and heat is removed from the areas of cold junctions, respectively, by elements of the heat supply and heat removal circuits. The average temperature difference between hot and cold junctions is more than 100 ℃, which increases the thermo electromotive force. TEG ensures the achievement of several tens of kW of power. The new TEG structure makes it possible to fabricate thermocouples and substrates on the nanoscale.
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References
Gromov G.: Bulk or thin-film thermoelectric modules. Components and Technologies, no. 9, pp. 87-94, 2014.
Nesrine Jaziri, Ayda Boughamoura, Jens Muller, Brahim Mezghani, Fares Touns, Mohamed Ismail: A comprehensive review of Thermoelectric Generator: Technologies and common applications. Energy Reports, no. 6, pp. 264-287, 2020. DOI: https://doi.org/10.1016/j.egyr.2019.12.011.
Ngo Van Nong, Nini Prids, Kristian Robert, Haffenden Bachl, Anders Smith, Lindernot Seren. The structure used for the production of a thermoelectric generator, a thermoelectric generator containing such a structure, and a method for its manufacture, Patent RU2557366, 2015. https://patents.google.com/patent/RU2557366C2/ru?oq=Patent+RU2557366.
Yezhov B.S. Compact thermoelectric generator, Patent RU2654980, 2010. https://patents.google.com/patent/RU2654980C1/ru?oq=Yezhov+B.S.+Compact+thermoelectric+generator%2c+Patent+RU2654980+.
Migovwski Friedrich-Carl. Thermogenerator. Patent RU2113035, 1998. https://patents.google.com/patent/RU2113035C1/ru?oq=Thermogenerator.+Patent+RU2113035+.
Muzychenko D.A, Kolobov A.B. Thermoelectric power converter. Patent RU2604180, 2016. https://patents.google.com/patent/RU2604180C1/ru?oq=Patent+RU2604180+.
Shelekhov I.Y., Smirnov E.I., Kashko K.P., Shelekhova I.B. Spatially oriented thermoelectric module and method for its manufacture. Patent RU2611562, 2017. https://patents.google.com/patent/RU2611562C1/ru?oq=Patent+RU2611562+.
Ismailov T.A.,Verdiev M.G.,Evdulov O.B.,MerkuhinN.E.Thermoelectric battery. Patent RU2269183, 2006. https://patents.google.com/patent/RU2269183C2/ru?oq=Patent+RU2269183+ .
Kosarev A.B. Thermoelectric converter. Patent RU2131156, 1999. https://patents.google.com/patent/RU2131156C1/ru?oq=Patent+RU2131156+.
Dussaliyev K., Dussali N. Thermoelectric generator. Patent of the Eurasian Patent Office (EAPO) 038725, 2021. https://patents.google.com/patent/EA038725B1/ru?oq=Patent+of+the+Eurasian+Patent+Office+(EAPO)++038725.
Dussaliyev K., Dussali N. Thermoelectric generator. Patent DE102019007785, 2021. https://patents.google.com/patent/DE102019007785A1/de?oq=Patent+DE102019007785+.