Researchers at the Saint Louis University have a bio-fuel cell for mobile devices developed that converts sugar into energy using bacteria and thus provides the device with power. The cells are small enough to use in cell phones and MP3 players, according to the researchers. In addition, the system deliver enough energy to ensure a three-to four times longer life than conventional lithium-ion Dell Vostro 1510 battery.
"Our research shows that a renewable fuel can be used directly in the cell and operates at room temperature. This technology leads to a higher energy yield than is possible with metal-based approaches," said Shelly Minteer, head of the research team. "Our approach shows that the combination of biology and chemistry, the design allows for a better Dell Studio 1737 battery, which, moreover, is environmentally friendly." In bio-fuel cell produces carbon dioxide and water.
To demonstrate the correctness of their approach, the researchers built a prototype, which is about the size of a postage stamp. So they successfully operated a calculator and used it as a charger for a mobile phone. "If the new Dell Precision M6300 battery to our expectations and further testing is, could the commercialization in three to four years to be implemented," said Minteer.
Another advantage of the bio-Dell XPS M1730 battery is that it can run on virtually any sugar source, whether glucose, sweetened lemonade or tree sap. Were also tested carbonated beverages. Although this worked well, but the carbon dioxide could damage the fuel cell, Minteer says. Proved to be the optimal fuel dissolved in water table sugar.
Away from the end user, technology is of course interesting for military applications. The U.S. Defense Department is sponsor for Minteer studies.
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