Scientists unlock power of paper battery

Source

ORDINARY paper could one day be used as a lightweight battery to power the devices that are now enabling the printed word to be eclipsed by e-mail, e-books and online news.
Scientists at Stanford University in California have successfully turned paper coated with ink made of silver and carbon nanomaterials into a "paper battery" that holds promise for new types of lightweight, high-performance energy storage.

The same feature that helps ink adhere to paper allows it to hold onto the single-walled carbon nanotubes and silver nanowire films.

There's some more to read in the article.

How feasible is it? Can anyone see big flaws with what is being described in the article?

I am always amazed at the imagination that some people have to try and do things differently.

There's got to be better ways to harness energy, other than relying upon oil, right?