Researchers have created a new technology that could have an important use in green cars
Stanford University researchers have created a new solution that
is able to transform regular office paper into a flexible, conductive
battery using a layer of carbon nanotubes.
Made of millions of
interconnected carbon nanotubes, researchers discovered paper is able
to support carbon nanotubes better than other normal household
items.
“Taking advantage of the mature paper technology, low
cost, light and high-performance energy-storage are realized by using
conductive paper as current collectors and electrodes,”
Stanford researchers noted in the Proceedings of the National Academy
of Sciences report.
Performance of the nanomaterial withstood
acidic solutions, or when it was crumbled, folded, or otherwise
manipulated.
“Society really needs a low-cost,
high-performance energy storage device, such as batteries and simple
super capacitors,” said Yi Cui, Stanford assistant professor of
materials science and engineering, during an interview with
Reuters.
After a sheet of paper is coated with the carbon
nanotube ink, it is dipped into a "lithium-containing"
solution that also has electrolytes -- the electrolytes are necessary
to generate current.
The paper battery also could be used in
hybrid or electric vehicles, researchers note, while also making
batteries last longer. If Stanford researchers are successful
with its research, it's possible paper electronics could also be
developed, but that is a long-term goal of the project.
The
idea of "paintable" energy storage isn't new, but very few
researchers have been able to develop realistic technologies.
"So if you want to save the planet, feel free to drive your Hummer. Just avoid the drive thru line at McDonalds." -- Michael Asher
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