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Posted Wed Jul 22 2009: from, via HuffPost:
New Technology Produces Hydrogen from Urine
Until now, producing, storing and transporting hydrogen has been a costly process. Urea, a major component of urine, contains four hydrogen atoms per molecule, which are bonded to two atoms of nitrogen. The new technology uses electrolysis to break down the molecule using 0.37 volts which is applied across the cell. In comparison, extracting hydrogen from water uses large amounts of electricity; specifically, 1.23V is needed to split H20 molecules. Botte's method uses less energy than it takes to extract hydrogen from water. Simply put: by placing the inexpensive electrode into urine and applying current, hydrogen is released. Tests were performed using both synthetic urine, made from dissolved urea, and human urine. The device is also small enough to be used in vehicles. Botte estimates a fuel cell urine-powered vehicle could potentially travel up to 90 miles per gallon. The current prototype, which measures about 3 x 3 x 1 inches, can produce up to 500 milliwatts of power. The team is working on creating larger scale versions of the electrolyzer. The report was published in the Royal Society of Chemistry Chemical Communications.
[Read more stories about: alternative energy, efficiency increase, technical cleverness]
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Emily says: "Hydrogen economy? Urine dangerous waters, bubba."
Frank says: "Urine luck!"
Geoff says: "But can urineputs balance the outputs?"
Daniel says: "Pee Probably Prefereable; Power Probable."

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'Doc Jim says:
I'd love to pee-power my Prius!
1/3 the power input, and human-produced. Urea (the betterthanwater™ electrolyte) could be grand.
What about feedlot output? Isn't that a urea goldmine?

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