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Vol. 138, No. 3, March 2012, pp. 114-121

 

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Energy Harvesting via Pyroelectric Transducer

 

1 Ashok BATRA, 2 Sudip Bhattacharjee, 1 Aswith Chilvery, and 1 Jason Stephens

 

1 Department of Physics, Chemistry and Mathematics (Materials Science Group)

2 Department of Mechanical and Civil Engineering

College of Engineering, Technology and Physical Sciences

Alabama A&M University, Normal, AL 35762 USA

Tel.: (256)-372-8109, fax: (256)-372-5622

E-mail: ashok.batra@aamu.edu

 

 

Received: 27 December 2011   /Accepted: 20 March 2012   /Published: 31 March 2012

Digital Sensors and Sensor Sysstems

 

Abstract: Pyroelectric transducers offer a novel approach for directly converting temporal temperature fluctuations to electric current via production of charges on the surface of the element. It is basically a thermal-electric energy convertor. The pyroelectric lithium tantalite element was characterized for electrical parameters. The modeling and simulation of energy harvesting capacity with temperation variations were investigated. The results show that the harvested energy can be compatible with use in autonomous sensor module working in low-duty-cycle switched-supply mode.

 

Keywords: Pyroelectric sensors, Energy harvesting, Modeling

 

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