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Researchers Develop a Non-Toxic Thermoelectric Generator For Wearable Tech - Slashdot

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Researchers from the University of Massachusetts, Amherst, have developed a new method of harvesting electricity from body heat to power wearable devices. "The new, wearable thermoelectric generator is also sourced from non-toxic and non-allergenic substances, making it a viable candidate for wearable technology," reports IEEE Spectrum. Furthermore, "the substrate on which the generator is built is plain old cotton fabric." From the report: More precisely, it's a vapor-deposited strip of cotton fabric -- coated with a material called, brace yourself, "persistently p-doped poly(3,4-ethylenedioxythiophene)" a.k.a. PEDOT-Cl. One end of the fabric touches a person's skin and is thus at a person's body temperature. The other end, ideally, is exposed to the open air. The greater the difference in temperature between the two ends, the greater the electrical output. [...] The innovation here was to vapor deposit their polymer only onto the surface of the cotton fibers -- and not...(continued)
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