Finally we can all sleep at night, safe in the knowledge that Sony has created a prototype fuel cell system that fits in the palm of your hand. The combination lithium-polymer battery, backup battery, and control circuit are destined for future mobile devices. According to a company engineer, "We have been aiming to mount (a fuel-cell system) in mobile devices and finally reached a level of commercial design." The tiny power-pack uses methanol as a fuel and controls supply with a hybrid pump, which allows it to regulate the amount of power used based on a system's needs. The company claims that just 10ml of methanol can power a mobile device through 14 hours of 1seg movie watching. Sure, it sounds good on paper, but does this mean soon we'll have to visit tiny, methanol refilling stations manned by a team of mice in jumpsuits? Probably not.
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