New Microbial Fuel Cell Design Boosts Electricity Production

By , August 24, 2007 12:14 pm

New Microbial Fuel Cell Design Boosts Electricity Production
From the article –
The new design developed by the OSU researchers involves sandwiching a cloth layer between the anode and the cathode parts of the microbial fuel cell, a configuration that greatly reduces the internal resistance, resulting in a much higher power density, Liu says.

In lab experiments, Liu’s team successfully generated 1,010 watts per cubic meter of reactor, or enough to power 16 60-watt light bulbs. The highest previous level of sustainable electricity generated from a cubic meter of air cathode microbial fuel cell is less than 115 watts. In experiments done even more recently, Liu and colleagues have generated more than 1,500 watts from the same reactor volume.

Size to power ratio is not quite there yet for home use anyway but in a large wastewater treatment plant, that’s not near as critical. Wonder what the ratio of gallons per hour of treated water to power generated per cubic meter is? I think that’s the right phrasing of the question… 😉

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