Fuel Cell - smallest in the world and mobile ready?

A new generation fuel cell has been unveiled which may soon be heading to a mobile phone near you. Developed by the University of Illinois at Urbana-Champaign, the new fuel cell measures just 3mm long (so, no, that's not a giant finger, created to make the cell look good).


According to the Mobile Whack website, the cell has "...four components: a water reservoir, a metal hydride chamber below, a thin membrane which separates them and an assembly of electrodes meant to conduct the electricity."


At present, the fuel can produce 0.7 volts for 30 hours before running flat. Developments are still underway and, of course, who is to say that early versions of the cell might not feature multiple units which could be grouped together to increase both power output and battery life? In addition it is, of course, possible that the cell number could be later reduced as unit power increases.


Click to read the Mobile Whack story


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