Only salvation for wind, solar & electric cars – "better storage"

Posted on September 23, 2008. Filed under: Uncategorized |

Breakthrough In Energy Storage: New Carbon Material Shows Promise Of Storing Large Quantities Of Renewable Electrical Energy
FROM ScienceDaily (Sep. 17, 2008) — Engineers and scientists at The University of Texas at Austin have achieved a breakthrough in the use of a one-atom thick structure called “graphene” as a new carbon-based material for storing electrical charge in ultracapacitor devices, perhaps paving the way for the massive installation of renewable energies such as wind and solar power.
 
The researchers believe their breakthrough shows promise that graphene (a form of carbon) could eventually double the capacity of existing ultracapacitors, which are manufactured using an entirely different form of carbon.
 
“Through such a device, electrical charge can be rapidly stored on the graphene sheets, and released from them as well for the delivery of electrical current and, thus, electrical power,” says Rod Ruoff, a mechanical engineering professor and a physical chemist. “There are reasons to think that the ability to store electrical charge can be about double that of current commercially used materials. We are working to see if that prediction will be borne out in the laboratory.”
 
The U.S. Department of Energy has said that an improved method for storage of electrical energy is one of the main challenges preventing the substantial installation of renewable energies such as wind and solar power. Storage is vital for times when the wind doesn’t blow or the sun doesn’t shine. During those times, the stored electrical energy can be delivered through the electrical grid as needed.
 
Read full at ScienceDaily
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