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New World Record for Thin Film Solar Efficiency

thin film solar NREL

The National Renewable Energy Lab (famous for many amazing renewable energy breakthroughs) announced today that they've created the most efficient thin film solar panel in history.

The 19.9% efficiency doesn't seem all that fantastic when compared with 42% efficient monocrystaline solar panels. But the advantage of thin-film cells has long been how cheap they can be to produce and http://vizuka.com/women-cialis install. They can be produced in a variety of ways (people are literally using inkjet printers to create them) and they're just a fraction of the http://jaygalbraith.com/5-mg-viagra weight of traditional solar cells.

For a long time, thin-film scientists have been working to cialis femele get costs lower and lower, with less concern for the efficiency of the cells. However, shortages in indium, one of buy generic levitra the elements used in making the cells, has renewed interest in increasing efficiency. And, of course, any efficiency increase helps to make the panels more economical over the lifetime of the cell.

That is, if the efficiency doesn't come at a great cost. NREL increased the efficiency so substantially by "increasing the free levitra sample quality of the material applied" during manufacturing. While this doesn't say much, it does indicate that it was likely pretty expensive to do. But worrying about economics isn't the job of government labs. They prove what can be done, and then it's more or less up to the private sector to incorporate the technology into their production.

Hopefully, we'll see some thin-film startups focusing more on efficiency soon. It'd be a shame to see the world's total supply of indium get sucked into 8% efficient cells.

Via NREL and Renewable Energy World

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Comments (3)Add Comment
0
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written by Anonymous, March 28, 2008
Seems like you found the story on treehugger since you use the same image, so why no link?
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24%
written by Alex, March 28, 2008
I think you meant 24%, not 42%, for silicon cells. 42% is for crazy-expensive triple-junction cells. 19.9% is pretty good compared to to buy viagra 24% for monocrystalline silicon or 20% for poly silicon.
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Re: 24%
written by Jeff, March 31, 2008
I'm sure these new thin film cells are crazy expensive too, so given the current thin-film cells are 8-10%, I'd say thin film is currently pulling 1/2 the efficiency of silicon.

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