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Spinning the Unspinnable: Superconducting, Energy Storing and Catalytic Yarns Based on Ancient Types of Spirals http://apocadocs.com/s.pl?1294666006
Nanotechnologists at The University of Texas at Dallas have invented a broadly deployable technology for producing weavable, knittable, sewable, and knottable yarns containing up to 95 weight percent of otherwise unspinnable guest powders and nanofibers. A minute amount of host carbon nanotube web, which can be lighter than air and stronger pound-per-pound than steel, confines guest particulates in the corridors of highly conducting scrolls without interfering with guest functionality for such applications as energy storage, energy conversion, and energy harvesting.... Biscrolled yarns get their name from the way they are produced: a uniform layer of guest material is deposited on top of a web of carbon nanotubes, which is called the host. This bilayer guest/host stack is then twisted to form a biscrolled yarn.... The carbon nanotube webs that the inventors used for biscrolling are not ordinary carbon nanotube sheets -- they can be drawn at up to two yards/second from forests of carbon nanotubes.... Using as guest up to 95 weight percent LiFePO4, a remarkable material for lithium-ion batteries, high performance lithium ion battery electrodes were demonstrated by UT Dallas researchers, and shown to have the battery performance, flexibility and mechanical robustness needed for incorporation in energy storing and energy generating clothing. Biscrolling nitrogen-doped carbon nanotube guest provided highly catalytic fuel cell cathodes for chemical generation of electrical energy, which avoid the need for expensive platinum catalyst. By biscrolling a mixture of magnesium and boron powders and thermal treatment, superconducting MgB2 yarns were produced, which eliminated the thirty or more draw steps used for conventional production of superconducting wires. Using photocatalytic titanium dioxide guest, biscrolled yarns for self-cleaning fabrics were obtained.
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'Doc Michael says:
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My recommendation for a colloquial name for any nanofibre-encased substance: "nanwich."
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