Rensselaer Polytechnic Institute researchers said they have developed a paper-thin battery by immersing a carpet of vertical nanotubes in an ionic liquid electrolyte. The result is a cellulose paper that stores electrical energy.
The RPI team produced a supercapacitor by placing a second nanotube electrode on the other side of the paper. They then added a lithium electrode atop the paper, creating what they claim is a paper-thin rechargable battery.
"The carbon nanotubes are embedded in the paper, and the electrolyte is soaked into the paper, so it really looks, feels and weighs about the same as paper," said RPI professor Robert Linhardt......
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