In the past, I've always been pretty negative on the prospects for the portable fuel cell market for handheld or even luggable electronic devices like large laptops.The insurmountable problems as I saw it were;

1. The energy density is not that much higher than lithium ion batteries 350 compared to 200 watt hours per kilo. Better, but not revolutionary.
   
2. Who wants to have the hassle of having to buy something else from the shops on a regular basis for their electronic equipment? I always wince at the thought of buying new cartridges for my printer  Why would consumers take to b