October 10, 2002
Microbial Fuel Cell To Run On Kitchen Scraps

This reminds me of the fusion reactor that took scraps in the Back To The Future movie. This one produces hydrogen gas to run a fuel cell.

Although such "microbial fuel cells" (MFCs) have been developed in the past, they have always proved extremely inefficient and expensive. Now Chris Melhuish and technologists at the University of the West of England (UWE) in Bristol have come up with a simplified MFC that costs as little as 10 to make.

Share |      Randall Parker, 2002 October 10 08:42 AM  Energy Tech


Comments
Nathan Woody said at September 17, 2004 5:45 AM:

You are mistaken about generating hydrogen to run a fuel cell. In the microbial fuel cell, as the microbes (usually bacteria or yeast) break down sugar molcules, electrons are released in an elecrolitic solution creating a charge which can be realized across an anode and cathode.
Basically, every time a molecule is broken down, electrons are set free. Free electrons applied properly means electricity.

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