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New nanotech fiber: Robust handling, shocking performance
Date:1/10/2013

d to immediate improvements in strength and conductivity," Pasquali said.

Study co-author Junichiro Kono, a Rice professor of electrical and computer engineering, said, "The research showed that the electrical conductivity of the fibers could be tuned and optimized with techniques that were applied after initial production. This led to the highest conductivity ever reported for a macroscopic CNT fiber."

The fibers reported in Science have about 10 times the tensile strength and electrical and thermal conductivity of the best previously reported wet-spun CNT fibers, Pasquali said. The specific electrical conductivity of the new fibers is on par with copper, gold and aluminum wires, but the new material has advantages over metal wires.

For example, one application where high strength and electrical conductivity could prove useful would be in data and low-power applications, Pasquali said.

"Metal wires will break in rollers and other production machinery if they are too thin," he said. "In many cases, people use metal wires that are far more thick than required for the electrical needs, simply because it's not feasible to produce a thinner wire. Data cables are a particularly good example of this."


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Contact: David Ruth
david@rice.edu
713-348-6327
Rice University
Source:Eurekalert  

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