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Free Energy Blog:2015:02:17

Lasted edited by Andrew Munsey, updated on June 15, 2016 at 1:00 am.

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Free Energy Blog posts from Tuesday, February 17, 2014


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Free Energy Blog:2015:02:18

Harvard researchers are turning solar energy into liquid fuel

'Free Energy Blog:2015:02:17'

Relevance: Directory:Solar > Directory:Biodiesel

Thomas Buyea brought this to our attention:


: Researchers at Harvard University have found a new way to turn solar energy into a form of liquid fuel, a report says.

: The new approach relies on a lab-engineered bacterium, namely Ralstonia eutropha, according to an article in the scientific journal Proceedings of the National Academy of Sciences (PNAS).

: In the process, a sort of artificial leaf splits the sunlight into hydrogen and oxygen. Then, the bacterium combines hydrogen with carbon dioxide to create a liquid fuel called Isopropanol.

: The conversion of solar energy into hydrogen had previously been achieved through the use of photovoltaic cells.

: The produced hydrogen can even be stored in fuel cells for future use but researchers have failed to make it usable as an energy source for vehicles.

: “This is a proof of concept that you can have a way of harvesting solar energy and storing it in the form of a liquid fuel,” said Harvard researcher, Pamela Silver, referring to the new process.

: According to the researchers, the project is almost at a 1-percent efficiency rate. They are hoping to upgrade to 5-percent efficiency soon.

-- SilverThunder 22:41, 17 February 2015 (UTC)

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