Flexible thermoelectric power generator with Y-type structure using electrochemical deposition process

Trung Nguyen Huu, Toan Nguyen Van and Ono Takahito

Applied Energy, 2018, vol. 210, issue C, 467-476

Abstract: The harvest of thermal energy using the thermoelectric (TE) effect is one of the potential methods for body area network power sources. This paper demonstrates a new approach of an electrochemical deposition process to fabricate self-endurance flexible thermoelectric generators (FTEGs). A novel idea of lateral Y-type TE cells instead of conventional vertical π-type cells is proposed to enhance the performance of the temperature harvest. On the other hand, the thick films of thermoelectric materials (N type-bismuth telluride and P type- antimony telluride) are successfully synthesized. For the first time, the electrochemical deposition of thermoelectric materials is used to integrate thermoelectric materials with a flexible support, where a silicon substrate is used as a sacrificial material. With the temperature difference between the human body (approximately 37°C) and ambient environment (15°C) using natural convection, the device can generate approximately 3µW/cm2 of output power density.

Keywords: Thermoelectric materials; Flexible thermoelectric power generator; Bismuth telluride; Antimony telluride; Electrochemical deposition (search for similar items in EconPapers)
Date: 2018
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Citations: View citations in EconPapers (12)

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DOI: 10.1016/j.apenergy.2017.05.005

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