MAKE Blog HOW TO Build your own band aid fuel cell
from: http://blog.makezine.com/archive/2006/06/how_to_build_your_own_band_aid.html (external link)

Fuel Cell Ideas
from cleanfuelcell.com

Links:

Sample of a fuel cell you can purchase:
1kw fuel cell
http://www.fuelcellstore.com/cgi-bin/fuelweb/view=Item/cat=31/product=869