Make Fuels Cells 10 Times More Effecient With Microbes
November 21, 2007 - 4:39pm — bexThe National Science Foundation is reporting on a innovative fuel cell that uses microbes. Bruce Logan and colleagues at Penn State University have improved on previous microbe-based fuel cells, and made a perfect little home for them so they can spit out hydrogen like crazy! Mix the following:
- Water
- Leftovers from a salad bar
- A splash of vinegar
- 0.2 Volts of electricity
- Select microbes from the finest sewage
Shake vigorously, and BOOM! The magic bacteria eat the plants, and makes hydrogen as a byproduct!
No pun intended.
You can then use the hydrogen in a separate fuel cell, or burn it directly, to power an engine... Its 2 to 10 times more efficient than electrolysis, and vastly better than ethanol. In there experiment, they achieved 288% efficiency, when compared to the electricity they had to add to create hydrogen. By comparison, most electrolysis can only achieve 50%-70% efficiency.
Check the Penn State press release for more info...





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