Batteries made with Paper?

[Lightcrazycanuck]

Batteries made with Paper?

Interesting article.

http://news.bbc.co.uk/2/hi/technology/8401566.stm

 

[Zeroignite]

Chemically, the batteries are lithium primaries (I think). The only novel idea is using a mat of nanotubes, bonded to a paper substrate, as the electrodes.