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Published on September 20th, 2011 | by Charis Michelsen

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Okayama Solar Absorbers Use “Green Ferrite” to Generate Super-Cheap Electricity from Heat

September 20th, 2011 by  


Okayama Graduate School of Science and Technology is one of many developing solar cells and batteries, but its research team, led by one Professor Naoshi Ikeda, has a unique approach. Instead of silicon, currently the standard component in solar cells, the Okayama team is using an iron oxide compound it calls “green ferrite,” or GF. Professor Ikeda has gone so far as to claim his product will produce 100x the amount of energy as a traditional silicon solar cell.

Part of the increase in energy production would come from the infra-red spectrum — solar cells do not currently convert heat into electricity, but apparently the green ferrite has that capability. Professor Ikeda speculates that any area collecting waste heat (the ceiling of your kitchen, for example) could serve as a home for a GF solar cell.

The team’s goal is to create a battery capable of generating 1KW of energy for 1/1000th of the cost of a traditional silicon solar cell, which comes out to about 1000 yen ($12 American) per GF cell. The GF cells, which currently use green ferrite in a powdered form, should also allow for some flexibility in solar panel shape, which means they could be wrapped around things like chimneys or telephone poles.

As the early tests have been fairly successful, the Okayama team is hoping for a usable product by 2013.

Source | Picture: MSN Sankei

  
 
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About the Author

spent 7 years living in Germany and Japan, studying both languages extensively, doing translation and education with companies like Bosch, Nissan, Fuji Heavy, and others. Charis has a Bachelor of Science degree in biology and currently lives in Chicago, Illinois. She also believes that Janeway was the best Star Trek Captain.



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