Monday, December 3, 2012

Posted: Nov 29th, 2012

Greener storage for green energy

(Nanowerk News) Renewable energy solutions like wind and solar operate on nature’s timetable. When the sun blazes or when the breeze blows, power is plentiful—but not necessarily at the moments when consumers need it, like on a hot, calm summer night.wind power
Researchers at Harvard will receive an ARPA-E grant to develop commercially practical flow batteries to store solar and wind power.
Storing energy from these intermittent sources has aroused interest, yet practical economics and basic chemistry have limited the wider use of green energy. Storage, to be viable, cannot add much to the price of renewable electricity without making it unacceptably expensive. Fossil fuels remain the world’s chief energy source due to their relatively low cost.

To give renewals a fighting chance, a team led by engineers and chemists at Harvard University will use a one-year, $600,000 innovation grant from the U.S. Department of Energy’s Advanced Research Projects Agency–Energy (ARPA-E) program to develop a new type of storage battery. The grant may be subject to renewal beyond a year, depending on performance. The award is part of a $130-million funding effort by ARPA-E through its “OPEN 2012” program, designed to support innovative energy technologies.

Called a flow battery, the technology offers the prospect of cost-effective, grid-scale electrical energy storage based on eco-friendly small organic molecules. Because practical implementation is a core driver for the program, the researchers are collaborating with Sustainable Innovations, LLC, a commercial electrochemical system developer.

Read more: http://www.nanowerk.com/news2/green/newsid=27764.php#ixzz2DykivI5F 
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