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The Thermoelectric Analysis of Different Heat Flux Conduction Materials for Power Generation Board

Power Electronics Research Center, Department of Electrical Engineering, The Hong Kong Polytechnic University, 11, Hong Chong Road, Kowloon, Hong Kong
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Energies 2017, 10(11), 1781; https://doi.org/10.3390/en10111781
Received: 10 October 2017 / Revised: 24 October 2017 / Accepted: 31 October 2017 / Published: 5 November 2017
(This article belongs to the Section Electrical Power and Energy System)
The development of the thermoelectric (TE) power generation is rapid, and the applications have extensively been studied. The principle is based on the Seebeck effect, in which the temperature difference between hot and cold sides of the TE material converts to electrical energy. In this paper, a design is proposed to convert the thermal energy between indoor and outdoor of a board to electrical energy by the thermoelectric generator (TEG). Furthermore, the electrical energy generated is charged to supercapacitors as a battery or a power supply to the loads (e.g., lights) of the house. Besides the experimental work, a thermal model and an electrical model of the TEG have been proposed. To study the power generation performance in terms of materials, the simulation of the conversion efficiency of the TE board using materials with different thermal conductance have also been conducted. It was found that, using graphene as the thermally conductive material, the conversion efficiency was enhanced by 1.6% and 1.7%, when the temperature difference was 15 °C and 40 °C, respectively. View Full-Text
Keywords: thermoelectric generator; TEG; thermal energy; energy conversion; board; energy storage thermoelectric generator; TEG; thermal energy; energy conversion; board; energy storage
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Li, S.; Lam, K.H.; Cheng, K.W.E. The Thermoelectric Analysis of Different Heat Flux Conduction Materials for Power Generation Board. Energies 2017, 10, 1781.

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