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Trees are source for high-capacity, soft batteries

A method for making elastic high-capacity batteries from wood pulp was unveiled by researchers in Sweden and the US. Using nanocellulose broken down from tree fibres, a team from KTH Royal Institute of Technology and Stanford University produced an elastic, foam-like battery material that can withstand shock and stress.

“It is possible to make incredible materials from trees and cellulose,” says Max Hamedi, who is a researcher at KTH and Harvard University. One benefit of the new wood-based aerogel material is that it can be used for three-dimensional structures. 

“There are limits to how thin a battery can be, but that becomes less relevant in 3D,” Hamedi says. “We are no longer restricted to two dimensions. We can build in three dimensions, enabling us to fit more electronics in a smaller space.”

A 3D structure enables storage of significantly more power in less space than is possible with conventional batteries, he says. 

Click here for source (KTH Royal Institute of Technology)

Photo: KTH Royal Institute of Technology

 

Posted Date: July 8, 2015

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