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Multilayered Carbon Nanotube/Polymer Composite Based Thermoelectric Fabrics
Section:Abstract
Thermoelectrics are materials capable of the solid-state conversion between thermal and electrical energy. Carbon nanotube/polymer composite thin films are known to exhibit thermoelectric effects, however, have a low figure of merit (ZT) of 0.02. In this work, we demonstrate individual composite films of multiwalled carbon nanotubes (MWNT)/polyvinylidene fluoride (PVDF) that are layered into multiple element modules that resemble a felt fabric. The thermoelectric voltage generated by these fabrics is the sum of contributions from each layer, resulting in increased power output. Since these fabrics have the potential to be cheaper, lighter, and more easily processed than the commonly used thermoelectric bismuth telluride, the overall performance of the fabric shows promise as a realistic alternative in a number of applications such as portable lightweight electronics.
Effect of temperature gradient profile on VTEP and power generated. This material is available free of charge via the Internet at http://pubs.acs.org.
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This article has been cited by 6 ACS Journal articles (5 most recent appear below).
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Carbon Nanotube-Based Polymer Composite Thermoelectric Generators
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Corey A. HewittDavid L. Carroll2014 (), 191-211Carbon nanotube-based polymer composites possess several properties that make them ideal for use in low powered waste heat recovery applications not suitable to nonorganic crystalline materials even though their thermoelectric performance is lower, such ...
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History
- Published In Issue March 14, 2012
- Article ASAPFebruary 16, 2012
- Just Accepted ManuscriptFebruary 08, 2012
- Received: October 28, 2011
Revised: January 24, 2012
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