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Nanocrystal-coated fibers might reduce wasted energy
Date:4/17/2012

fibers with a polymer to improve the resilience of the thermoelectric material, which tends to develop small cracks when the fibers are bent at sharp angles.

Researchers demonstrated the concept with an experiment using a system containing tubes of differing diameters nested inside a larger tube. Warm water flows through a central tube and cooler water flows through an outer tube, with a layer of thermoelectric material between the two.

The Purdue researchers also are exploring other materials instead of lead and tellurium, which are toxic, and preliminary findings suggest these new materials are capable of a high ZT value.

"Of course, the fact that our process uses such a small quantity of material a layer only 300 nanometers thick minimizes the toxicity issue," Wu said. "However, we also are concentrating on materials that are non-toxic and abundant."


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Contact: Emil Venere
venere@purdue.edu
765-494-3470
Purdue University
Source:Eurekalert  

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Nanocrystal-coated fibers might reduce wasted energy
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