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Polymer electric storage, flexible and adaptable
The proliferation of solar, wind and even tidal electric generation and the rapid emergence of hybrid electric automobiles demands flexible and reliable methods of high-capacity electrical storage. Now a team of Penn State materials scientists is developing ferroelectric polymer-based capacitors that can deliver power more rapidly and are much lighter than conventional batteries.
"Electrical energy storage is very important for all electrical and electronic systems," says Qing Wang, associate professor of materials science and engineering. "Even renewable energy systems like solar cells need somewhere to store excess energy to be used at night."
Wang and his research team report today (Aug. 20) at the 236th national American Chemical Society meeting in Philadelphia in two papers, on the development of power density tunable polymers and polymer ceramic nanocomposites as electric storage materials for capacitors. Currently, power conditioning is carried out by capacitors, but Wang believes that eventually properly tuned polymer capacitors could replace batteries.
"Traditional materials are ceramic materials which have high weight and are very fragile," says Wang. "Mobile electronics need light weight electrical energy storage."
Full article: http://live.psu.edu/story/34018Wang and his research team report today (Aug. 20) at the 236th national American Chemical Society meeting in Philadelphia in two papers, on the development of power density tunable polymers and polymer ceramic nanocomposites as electric storage materials for capacitors. Currently, power conditioning is carried out by capacitors, but Wang believes that eventually properly tuned polymer capacitors could replace batteries.
"Traditional materials are ceramic materials which have high weight and are very fragile," says Wang. "Mobile electronics need light weight electrical energy storage."
Source: sciencedaily.com
Credit image: http://www.grc.nasa.gov/WWW/Electrochemistry/doc/pers.html