Journal
APPLIED ENERGY
Volume 210, Issue -, Pages 467-476Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.apenergy.2017.05.005
Keywords
Thermoelectric materials; Flexible thermoelectric power generator; Bismuth telluride; Antimony telluride; Electrochemical deposition
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Funding
- Japanese Ministry of Education, Culture, Sports, Science, and Technology
- Center of Innovation Program from Japan Science and Technology Agency, JST
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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 it pi-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 degrees C) and ambient environment (15 degrees C) using natural convection, the device can generate approximately 3 mu W/cm(2) of output power density. (C) 2017 Elsevier Ltd. All rights reserved.
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