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Technology - Singapore - Coming Soon: Do piss in your battery
In addition to fuel tanks: Urine-Catalyzed Battery
Singapore - World Changing/USA, by Jamais Cascio - Aug 15, 2005 -- Inexpensive, easily-made medical sensors and disposable testing kits need inexpensive, easily-made power sources, but until now, these have been difficult to come by... A research team at Singapore’s Institute of Bioengineering and Nanotechnology led by Dr Ki Bang Lee has devised a cheap-to-make paper battery that uses the fluid being tested -- urine -- as a power catalyst... Writing in the Journal of Micromechanics and Microengineering, Lee describes how the battery was created and quantifies its performance. "Using 0.2 ml of urine, they generated a voltage of around 1.5 V with a corresponding maximum power of 1.5 mW. They also found that the battery performances (such as voltage, power or duration) may be designed or adjusted by changing the geometry or materials used"...
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