Tokyo Friendfinder
Exotic molecules like carbon buckyballs may soon become part of our everyday lives if the latest prototype fuel cell from Sony ever makes it to the stores.
The six-fuel-cell system Sony recently showed at the Small Fuel Cells 2008 exhibition in Atlanta has at its core an electrolyte membrane based on buckminsterfullerenes (to give them their proper name) and a platinum catalyst.
While the science probably matters little to the man in the street, what does ring bells is the ability of the latest prototype to generate three times more energy than its gooey 2005 predecessor.
The 5 x 3 x 2cm unit goes to work on a single milliliter of methanol, producing 1.1 watt hours of energy from the fuel. In its demonstration Sony used 10ml of the volatile liquid to power a mobile phone with a TV tuner running for 14 hours.
Better still, in combination with a lithium-polymer rechargeable battery, the tiny device can produce a steady 3W output by alternating supplying just power when it’s needed most with charging the battery during quiet periods of energy demand from whatever needs the juice.
Whenever the buckyball system does make it to market, Sony claims it will be smaller still, so we fully expect to see it inside phones, rather than attached to them as in the demo.
(Crossposted to TechRadar)
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07:00 PM 
Mark Hiratsuka •
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