31 Aug '14, 12am

New #WearableTech temporary tattoos harvest energy from your sweat!

New #WearableTech temporary tattoos harvest energy from your sweat!

As the UCSD team developed that technology, which required they remove electrons from lactate, they realized they were halfway to developing a battery. They proceeded to do that, and so the technology eventually segued into a biofuel cell. “Since we want to develop a non-invasive device for power generation, sweat lactate was used as the fuel for the tattoo biofuel cell,” Jia explained. “The basic principle of the anode of the biofuel cell and the sweat lactate sensors are similar. So we developed a biosensor for sweat lactate monitoring, and a biofuel cell to generate power from sweat lactate.”

Full article: http://www.designnews.com/author.asp?doc_id=274599&f_src=...

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