Read, it's just fricking cool!
New Portable Energy Source Utilizes Microbes To Turn Electricity Directly To Methane
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New Portable Energy Source Utilizes Microbes To Turn Electricity Directly To Methane
ScienceDaily (Mar. 30, 2009) — A tiny microbe can take electricity and directly convert carbon dioxide and water to methane, producing a portable energy source with a potentially neutral carbon footprint, according to a team of Penn State engineers.
"We were studying making hydrogen in microbial electrolysis cells and we kept getting all this methane," said Bruce E. Logan, Kappe Professor of Environmental Engineering, Penn State. "We may now understand why."
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The cells are about 80 percent efficient in converting electricity to methane and because they use carbon dioxide as feed stock, would be carbon neutral if the electricity comes from a non-carbon source such as solar or wind power.
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