Bulk material based thermoelectric energy harvesting for wireless sensor applications

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Date
2011
Authors
Wang, Wensi S.
Magnin, Wassim
Wang, Ningning
Hayes, Michael
O'Flynn, Brendan
Ó Mathúna, S. Cian
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IOP Publishing Ltd,
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Abstract
The trend towards smart building and modern manufacturing demands ubiquitous sensing in the foreseeable future. Self-powered Wireless sensor networks (WSNs) are essential for such applications. This paper describes bulk material based thermoelectric generator (TEG) design and implementation for WSN. A 20cm2 Bi0.5Sb1.5Te3 based TEG was created with optimized configuration and generates 2.7mW in typical condition. A novel load matching method is used to maximize the power output. The implemented power management module delivers 651μW to WSN in 50 °C. With average power consumption of Tyndall WSN measured at 72μW, feasibility of utilizing bulk material TEG to power WSN is demonstrated.
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Electronics and devices , Instrumentation and measurement
Citation
Wang, Wensi S.; Magnin, Wassim; Wang, Ningning; Hayes, Michael; O'Flynn, Brendan; Ó Mathúna, S. Cian (2011) 'Bulk material based thermoelectric energy harvesting for wireless sensor applications'. Journal of Physics: Conference Series, 307 (1) 012030. doi: 10.1088/1742-6596/307/1/012030
Copyright
© 2011, The authors. Published under licence in Journal of Physics: Conference Series by IOP Publishing Ltd.